[Event "2021 Oregon Closed Championship"]
[Site "Portland, OR"]
[Date "2021.07.20"]
[Round "6"]
[White "Zavortink, Matt"]
[Black "Raptis, Nick"]
[Result "1-0"]
[ECO "A11"]
[WhiteElo "2271"]
[BlackElo "2393"]
[Annotator "Wilson Gibbins"]
[PlyCount "139"]
[EventDate "2021.07.16"]
[EventType "tourn"]
[EventRounds "7"]
[EventCountry "USA"]
[SourceVersionDate "2021.07.19"]

{[%evp 0,139,45,28,31,-29,1,-2,13,-25,-24,-12,-12,-17,-18,-45,-33,-11,-5,-16,
41,36,42,18,28,38,48,52,29,12,29,29,36,36,39,30,30,21,22,20,33,35,34,22,34,15,
26,9,41,8,26,-16,-27,-30,-11,-18,17,-8,17,-12,-3,-3,-25,-30,6,-69,29,-66,-66,
-68,-53,-116,1,1,-10,0,1,7,3,11,0,-9,-8,-132,-126,-127,-115,-131,-140,-257,-93,
-113,-112,-98,-48,-118,-86,-86,-83,-88,-16,-14,-7,-26,-23,-41,45,-91,-113,-104,
63,-6,-6,-33,113,89,89,-25,-30,-84,-61,-64,105,119,109,0,123,150,91,563,606,
606,609,609,609,623,746,789,1573,1824,1997,2833] When the pairings were
published, this 6th round game looked like it would be the most important game
of the tournament, and it did not disappoint. The game was played between the
two highest seeded players in the tournament, with the lower-rated player 
(Matt) getting the white pieces. Both players had 4.5 points out of 5, with
one round remaining after this. Both players are motiviated to be ambitious,
but within reason. So don't expect any Benonis or Poison Pawn variations, but
don't expect any forced draw lines either.} 1. Nf3 d5 2. g3 Nf6 3. Bg2 c6 4. c4
dxc4 $5 {Nick's move is scores best in the database and the first choice of
engines. In addition, it gives both players some problems to solve. How hard
should White work to get the pawn back? How hard should Black struggle to keep
it?} ({The classical developing move} 4... Bf5 {is played more often. But it
leads to just the kind of positions White is aiming for after} 5. Qb3) 5. O-O {
Matt's choice is the best attempt to obtain an advantage. It is flexible - he
may try to regain the pawn, or he may sacrifice it, depending on the approach
Nick chooses.} (5. Qc2 {is one way to start work on regaining the pawn, but
black scores pretty well in these lines.} Be6 6. Ng5 $6 (6. Na3 {might lead to
an early draw after} Qd5 7. Nh4 Qd4 8. Nf3 {but this is an approach we would
expect more from the annotator, not Matt or Nick.}) 6... Bd5 7. e4 h6 $15) ({
The cowardly way to ensure white regains the pawn is} 5. a4 {to prevent black
from supporting his pawn with b7-b5. It is slow, so it also ensures that white
will obtain no advantage out of the opening. But if there is a cowardly way to
play an opening, rest assured that your annotator has researched it :-)}) {
Over the next few moves, Matt finds ways to attack the pawn and Nick finds
ways to defend it.} 5... Nbd7 6. Na3 Nb6 7. Qc2 Qd5 ({Another way for black to
protect the pawn is} 7... Be6 {After} 8. Ne5 {Wesley So and Anish Giri have
played the enterprising} h5 $5) 8. b3 $1 {Matt sacrifices a pawn. Punctuation
provided by the Chessbase reference tab, not me.} ({White can continue his
attempts to regain the pawn with} 8. Ne1 {but Matt's choice is stronger.}) 8...
cxb3 9. axb3 e6 10. Nc4 Qd8 11. Bb2 Be7 12. Rfc1 Nbd5 13. d4 {We are entering
a period of 20 moves of trench warfare. White has enduring compensation for
the sacrificed pawn in the form of more center pawns and a little pressure on
black's queenside pawns. The engine evaluation will swing back and forth
between the two players, but never by much. No player will be able to claim a
+1, much less a winning advantage.} Nb4 14. Qb1 O-O 15. Nfe5 Nd7 16. Nd3 Nxd3
17. Qxd3 Nb6 18. Na5 Nd5 19. e4 Nb6 20. Qc3 f6 21. Rd1 Qe8 22. Bc1 Qf7 23. Be3
f5 24. f3 Bd6 25. b4 f4 26. Bf2 Qc7 27. g4 Bd7 28. Rdc1 Rfc8 29. Bf1 Be8 30.
Be2 Qe7 31. Rab1 e5 32. Qb2 Rab8 33. Kg2 Bf7 34. h3 {And the period of trench
warfare ends. Both players are short on time, so inaccuracies start to creep
in to what has been high quality play up to this point.} Re8 35. Qd2 $2 Rbd8 $2
{In time trouble, Nick misses an opportunity.} (35... exd4 $1 $17 36. Qxd4 (36.
Bxd4 Nd5 $1 37. Bxa7 (37. exd5 Qxe2+) 37... Ra8 38. exd5 (38. Bc5 Bxc5 39. Rxc5
Ne3+) 38... Qxe2+) 36... Be5 37. Qc5 Ba2 38. Qxe7 Rxe7 39. Bxb6 axb6 40. Bc4+
Bxc4 41. Nxc4 {with so many pieces gone, white's compensation for the pawn has
disappeared.} Bc7) 36. b5 c5 37. d5 Rc8 38. Ra1 Rc7 39. Ra2 Rec8 40. Bc4 h6 41.
Be2 $2 {Matt removes the blockade from black's c-pawn, and} c4 $1 $17 {Time
control at move 40 means both players just got 30 extra minutes to find
accurate moves. This time, Nick pounces on the Matt's inaccuracy, and advances
his passed pawn. Matt will suffer over the next 10 moves.} 42. Qe1 c3 43. Qg1
Bb4 44. Qd1 Qd6 $17 {Maintains a big advantage.} ({But} 44... c2 $1 $19 {
turns a big advantage into a winning one.} 45. Raxc2 (45. Qf1 Ba3) 45... Rxc2
46. Rxc2 Rxc2 47. Qxc2 Bxa5) 45. Rcc2 Ba3 46. Nb3 Nc4 47. Bxc4 Rxc4 48. Na5
R4c7 49. Qb1 Bc5 50. Rxc3 {Matt finally gets the pawn back that he sacrificed
on move 8. But the cost was too great. Nick has a big edge with control of the
only open file, and a safer king.} Bxf2 $1 {OK, maybe the exlam should have
gone to 49...Bc5, but Nick's idea is great - eliminate the defender of White's
dark squares.} 51. Rxc7 Qxc7 52. Kxf2 Qc3 $2 {This looks logical, planning to
invade with the queen on e3 and perhaps the rook on c1.} ({But the engine
points out the less intuitive way to invade on the dark squares.} 52... Qd8 $1)
53. Qb2 $2 (53. Kg2 $1 $11 {so when black plays 53...Qe3 it isn't check which
gives white time to organize a defense.} Qe3 54. Qg1) 53... Qe3+ $1 $19 54. Kg2
Qb6 $2 $11 (54... Rc1 $1 55. Qf2 Qd3 $19 {makes the engine so happy. In the
short run, the only problem I see for white is losing his pawn on b5. But
maybe that is enough, as white has to worry about losing his knight on a5,
getting his king attacked by black's queen and rook, and the advance of
black's passed a and b pawns. So the engine is probably correct - white has no
way to oppose black's straightforward ideas.}) 55. Qd2 Be8 56. d6 Bd7 $11 {
Another logical move, blockading the d-pawn.} ({The illogical, carefree engine
is willing to let the d-pawn advance with} 56... Bf7 57. d7 Rd8 58. Rc2 Be6 59.
Rc8 Rxc8 60. Nc4 Qd4 $1) 57. Qd5+ Kh7 58. Qxb7 Qxd6 59. Qxa7 Rc1 60. Nb3 Rb1 $2
(60... Rd1 $1 $19 {keeps white's rook off the d-file. White's b-pawn may look
dangerous, but Stockfish assures us that black is in complete control.} 61. Qf2
(61. b6 $2 Qd3 {and white's king is in grave danger, which will require him to
let black take the knight on b3.}) 61... Qb4 62. Nc5 Bxb5) 61. Rd2 $1 $16 Qf6
62. Qxd7 $2 $11 (62. Qa2 $1 {Attacks black's rook, brings the queen back for
defense, and retains the attack on black's bishop.} Qh4 63. Qxb1 Qg3+ 64. Kh1
$1 $16 (64. Kf1 $2 Bxb5+ $1 $19)) 62... Rxb3 $2 ({Nick's last chance to
maintain equality was} 62... Qh4 $1 {White is advised to take the perpetual
with} 63. Qf5+ $1 (63. Rd1 $2 Qg3+ 64. Kf1 Qxf3+ 65. Ke1 Qxe4+ 66. Kf2 Rxb3 (
66... Qe3+ 67. Kf1 Qxh3+ 68. Ke1 Qc3+ (68... Qxb3 $2 69. Qf5+ $11) 69. Kf1 Qf3+
70. Ke1 Qe4+ 71. Kf2 Rxb3 {is better but more complicated.})) 63... Kh8 64.
Qf8+) 63. Rc2 $1 {Nick has held a clear edge for many of the last 20 moves or
so. But now, for the first time in the game, Matt is winning.} h5 ({The move} 
63... Qh4 {no longer works when white's rook is on the open c-file (black's
queen protected against rook checks on d8).} 64. Qf5+ Kg8 65. Rc8+) 64. Rc6 Qg5
65. h4 Rd3 66. Qxd3 Qxh4 67. Qe2 hxg4 68. fxg4 Qg3+ 69. Kh1 Kg8 70. Qa2+ {
If black plays 70...Kh7, then 71.Qh2+ takes the queens off the board. If black
plays 70...Kf8, then 71.Rc8+ leads to checkmate soon.} 1-0

[Event "2021 Oregon Closed Championship"]
[Site "Portland, OR"]
[Date "2021.07.16"]
[Round "1"]
[White "Gibbins, Wilson"]
[Black "Russell, Corey"]
[Result "0-1"]
[ECO "A14"]
[Annotator "Russell,Corey"]
[PlyCount "46"]
[EventDate "2021.07.16"]
[EventType "tourn"]
[EventRounds "7"]
[EventCountry "USA"]
[SourceVersionDate "2021.07.19"]

{[%evp 16,46,22,22,36,35,48,27,27,21,21,21,21,21,21,14,18,14,14,14,28,-2,-3,
-76,-76,-76,-76,-236,-236,-240,-240,-240,-240]} 1. c4 e6 2. g3 d5 3. Bg2 Nf6 4.
Nf3 c6 5. b3 Nbd7 6. Bb2 Be7 7. O-O O-O 8. d3 a5 9. Nc3 {LiveBook: 25 Games}
Qb6 10. Qc2 Re8 11. d4 {White is slightly better.} Qa6 12. c5 b6 13. cxb6 Nxb6
14. Ne5 Bb7 15. Nd3 Nfd7 16. e4 Rac8 17. Rfe1 c5 18. dxc5 d4 19. Ne2 (19. Bf1
$11 {keeps the balance.}) 19... Nxc5 $17 20. Nxc5 Bxc5 21. Red1 $2 {[#]} (21.
Qd1 $17 {was necessary.}) 21... Bb4 $1 $19 {Black is clearly better.} 22. Qd3
Qxd3 23. Rxd3 Ba6 {Precision: White = 37%, Black = 75%. What's unusual about
this game is my opponent spent about an hour and I spent 3 minutes! Some might
say that's a bit reckless, however this was not an open position (until the
end) and I've been in this kind of position before so knew what I needed to do.
Also I of course thought on my opponent's time and often guessed what his move
was which meant I knew what my response was. -cjr} 0-1

[Event "2021 Oregon Closed Championship"]
[Site "Portland, OR"]
[Date "2021.07.17"]
[Round "2"]
[White "Russell, Corey"]
[Black "Raptis, Nick"]
[Result "0-1"]
[ECO "E73"]
[BlackElo "2393"]
[Annotator "Russell,Corey"]
[PlyCount "62"]
[EventDate "2021.07.16"]
[EventType "tourn"]
[EventRounds "7"]
[EventCountry "USA"]
[SourceVersionDate "2021.07.19"]

{[%evp 16,62,20,-5,39,36,40,-47,-47,-74,-74,-74,-74,-74,-67,-107,-88,-114,-106,
-208,-208,-208,-192,-192,-192,-192,-193,-191,-190,-224,-148,-229,-214,-237,
-237,-273,-265,-289,-236,-411,-373,-549,-549,-549,-549,-549,-549,-549,-529]} 1.
d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 O-O 5. Be2 d6 6. Bg5 Na6 {[%cal Bb8a6,Ba6c7,
Bc7e6][%mdl 32]} 7. f4 c6 8. Nf3 Nc7 9. d5 {LiveBook: 8 Games} Bd7 (9... cxd5
$11 10. cxd5 Na6) 10. e5 $14 Nfe8 {[%cal Bf6e8,Be8d6,Bd6f5][%mdl 32]} 11. exd6
({White should try} 11. O-O $14) 11... Nxd6 $15 12. c5 Nf5 {[#] Hoping for ...
cxd5.} 13. d6 Ne6 14. dxe7 Nxe7 15. O-O Nxg5 16. Nxg5 Nf5 {Threatens to win
with ...Ne3.} 17. Nxf7 (17. Qd2 $17 {is a better defense.}) 17... Rxf7 $19 ({
Don't play} 17... Kxf7 18. Bc4+ Be6 19. Bxe6+ Kxe6 20. Re1+ Kf6 21. Qb3 $15)
18. Bc4 Be8 19. Qxd8 Rxd8 20. Rfd1 Rd4 21. Bxf7+ Bxf7 22. Ne2 Rd5 23. Rab1 (23.
Rxd5 $17 {was worth a try.} cxd5 24. g4) 23... Nd4 24. Nxd4 Bxd4+ 25. Kh1 Bxc5
26. Rxd5 cxd5 {[%cal Bc6d5,Bd5d4,Bd4d3][%mdl 32]} 27. b4 $2 (27. Re1) 27... Be3
28. g3 (28. g4 $142) 28... d4 {[%cal Rf7d5] [#] Black is clearly winning.} 29.
Kg2 Bxa2 30. Ra1 Bd5+ 31. Kf1 d3 {Precision: White = 32%, Black = 75%.} 0-1

[Event "2021 Oregon Closed Championship"]
[Site "Portland, OR"]
[Date "2021.07.17"]
[Round "3"]
[White "Russell, Corey"]
[Black "Sripada, Havish"]
[Result "1-0"]
[ECO "E06"]
[Annotator "Russell,Corey"]
[PlyCount "51"]
[EventDate "2021.07.16"]
[EventType "tourn"]
[EventRounds "7"]
[EventCountry "USA"]
[SourceVersionDate "2021.07.19"]

{[%evp 15,50,20,33,-23,47,16,29,21,28,14,16,-4,8,8,6,-2,0,0,0,0,0,1,22,-50,-35,
-78,-78,-78,-78,-78,-78,-15,-15,-17,81,84,29999]} 1. d4 {This was a curious
game where both players are playing fast as if the club's on fire and we want
to finish it and get out of there. For me, my explanation is I got horrible
sleep at my motel (I rarely sleep good away from home), and as a result don't
have the endurance that might have had if I was rested. Not sure what Havish's
explanation is...this explains the final blunder. -cjr} d5 2. Nf3 Nf6 3. c4 e6
4. g3 Be7 5. Bg2 O-O 6. O-O c6 7. Nc3 b6 8. Qd3 $6 {Had I chance to do this
move over, would have chosen Qc2 instead. The text allows a troublesome ...Ba6
though my opponent played quickly so didn't play it. -cjr} Bb7 {LiveBook: 14
Games} 9. e4 (9. Bf4 $14) 9... Na6 (9... dxc4 $11 10. Qe2 b5) 10. e5 {White is
slightly better.} Nd7 {This move is probably ok, but the intermezzo 10. ...
dxc4! 11. Qxc4 Nd5 and black is doing well. -cjr} 11. a3 Nc7 12. Re1 c5 13. h4
$6 {As distateful as it was, 13. cxd5 should be preferred. -cjr} dxc4 14. Qxc4
Nd5 15. Ng5 {[%cal Rc3d5]} h6 16. Nh3 cxd4 17. Qxd4 {[%cal Rc3d5]} Nc5 18. Qg4
Kh7 19. Be4+ {I certainly didn't want to play this move but both ...Nb3 and ...
Nd3 were very troubleshome, so this was the only way to force that pesky
knight off. -cjr} (19. Rd1 $11) 19... Nxe4 $15 20. Nxe4 (20. Qxe4+ $15 {
deserves consideration.} Kg8 21. Nf4) 20... f5 $17 21. exf6 Nxf6 22. Nxf6+ Bxf6
23. Nf4 Bd4 {And now ...e5 would win.} 24. Be3 {Strongly threatening Rad1.} e5
$6 {[#] Instead 24. ... Rxf4! 25. Qxf4 Qd5 seems more enterprising. -cjr} (
24... Bxb2 $11 {keeps the balance.} 25. Rad1 Qf6) 25. Ne6 $1 $16 {[%csl Ge6]
[%cal Rg4g7]} Qd5 $4 (25... Qf6 $16 26. Bxd4 (26. Nxd4 exd4 27. Bxd4 Qf7 $14)
26... exd4 27. Qxd4 (27. Nxf8+ Rxf8 28. Re2 Bf3 $15) 27... Qxd4 28. Nxd4 Rf7)
26. Qxg7# {Precision: White = 31%, Black = 43%.} 1-0

[Event "2021 Oregon Closed Championship"]
[Site "Portland, OR"]
[Date "2021.07.18"]
[Round "4"]
[White "Haessler, Carl"]
[Black "Russell, Corey"]
[Result "0-1"]
[ECO "A00"]
[Annotator "Russell,Corey"]
[PlyCount "72"]
[EventDate "2021.07.16"]
[EventType "tourn"]
[EventRounds "7"]
[EventCountry "USA"]
[SourceVersionDate "2021.07.19"]

{[%evp 10,72,0,-6,0,0,0,-5,0,-1,-1,-1,-1,-2,0,-5,-2,-2,44,27,27,27,27,12,12,5,
12,-31,24,24,23,29,110,110,127,120,120,0,0,-17,-14,-117,-60,-60,-59,-59,-59,
-59,-68,-124,-124,-124,-124,-124,-124,-124,-124,-124,-108,-285,-285,-269,-233,
-733,-428]} 1. Nf3 d5 2. b4 {It's extremely rare that Carl plays main line
anything, so this move came as no surprise. However, after our extensive
analysis of the game afterwards, we came to the conclusion that black was
always equal/better because of his passed c-pawn (because white's b-pawn got
to b5). Had Carl did a normal move of b3 instead of b4 but everything else the
same, he should have had at least small advantage. -cjr} Nf6 3. Bb2 e6 4. a3 a5
5. b5 c5 6. e3 {LiveBook: 5 Games} b6 7. Be2 Nbd7 8. c4 {The position is equal.
} Be7 9. cxd5 exd5 10. O-O O-O 11. Nc3 Bb7 12. d4 Re8 13. Ne5 Nxe5 (13... cxd4
$11 14. exd4 Bd6) 14. dxe5 $14 Ne4 15. Nxe4 dxe4 16. Bc4 Qxd1 17. Rfxd1 Red8
18. e6 (18. h3 $11) 18... fxe6 ({Black should play} 18... f6 $1 $15) 19. Bxe6+
$11 Kf8 $1 20. Be5 {Hoping for Bc7.} Bf6 (20... Rxd1+ $1 $11 21. Rxd1 Rd8 22.
Rxd8+ Bxd8) 21. Bc7 $1 $16 {[%csl Bb6,Bd8][%cal Rc7d8]} Rdc8 $5 {I saw that if
Carl gave back the exchange and took on b6 it was equal. But I also saw that
if Carl keeps the exchange, my king and bishops can help force my c-pawn as
well if I play it right I can keep his QB away from the queen side making
progress much easier. Carl, who doesn't want a simple draw, goes for blood,
not realizing just yet it's going to be his...however, Carl learned from this
game and later was in a similar situation where he was winning/better at one
point, but now it was equal, and unless he wanted to lose he needed to take
the draw, which he did that game. -cjr} 22. Bxc8 Rxc8 23. Bd6+ (23. Bxb6 $16
Bxa1 24. Rxa1) 23... Kf7 $11 24. Rab1 Ke6 $1 {Threatening ...c4.} 25. g4 (25.
Bg3 $11 {remains equal.} Bd5 26. f4) 25... Bd5 (25... c4 $17 26. Bg3 Be7) 26.
Bg3 $15 c4 27. f4 $1 {[%cal Rf4f5] Black must now prevent f5+. Carl probably
thought that if black goes for the pawns the pin on the e-file would be
problematic. However he missed an intermezzo that black has which solves all
of black's problems, meaning Carl just threw away two pawns... -cjr} exf3 28.
e4 $1 {[%cal Re4d5]} Bxe4 29. Re1 (29. Rd6+ $15 Kf7 30. Re1) 29... Bd4+ $17 30.
Bf2 Bxf2+ $1 31. Kxf2 {[%mdl 4096] Endgame KRR-KRB} Ke5 32. Rbd1 {next Rd7 is
good for White.} c3 {[%cal Bc4c3,Bc3c2][%mdl 32] And now ...c2 would win.} 33.
Rd7 {aiming for Re7+.} Rc4 $1 34. Ke3 $2 (34. Re7+ $17 Kf4 35. Rf7+ Kxg4 36.
Rg1+ Kh5 37. Rfxg7) 34... c2 $19 35. Re7+ {[#]} Kd5 $1 36. Kd2 $2 (36. Rd7+ Ke6
37. Rd8 c1=B+ {[#]} 38. Rxc1 $1 {[%mdl 512]} Rxc1 39. Re8+ Kd6 40. Rxe4) 36...
f2 {Precision: White = 39%, Black = 43%.} 0-1

[Event "2021 Oregon Closed Championship"]
[Site "Portland, OR"]
[Date "2021.07.18"]
[Round "5"]
[White "Russell, Corey"]
[Black "Feldman, Konner"]
[Result "1-0"]
[ECO "D04"]
[Annotator "Russell,Corey"]
[PlyCount "111"]
[EventDate "2021.07.16"]
[EventType "tourn"]
[EventRounds "7"]
[EventCountry "USA"]
[SourceVersionDate "2021.07.19"]

{[%evp 12,111,10,-3,-1,-10,2,1,31,22,34,4,29,28,43,43,40,7,7,7,7,7,7,7,7,2,14,
-1,-1,-33,-29,-168,-168,-168,-168,-168,-166,-191,-191,-191,-191,-208,-208,-208,
-208,-208,-208,-208,-208,-208,-129,-129,-98,-129,-90,-80,0,-126,-67,-82,0,0,1,
1,14,8,8,1,54,54,54,54,54,0,0,0,0,0,0,0,373,373,756,686,756,541,782,147,1049,
756,2062,2062,1996,1133,4973,2064,7993,1789,5008,1938,29985,29986]} 1. d4 d5 2.
Nf3 Nf6 3. e3 c6 4. Be2 Bf5 5. O-O e6 6. b3 Nbd7 7. Bb2 {LiveBook: 4 Games} Ne4
8. a3 {The position is equal.} Bg6 9. Nbd2 f5 10. c4 Bd6 11. b4 O-O 12. Ne5
Nxe5 13. dxe5 Bc7 14. f4 Nxd2 15. Qxd2 dxc4 16. Qxd8 Rfxd8 17. Bxc4 Kf7 18. Bd4
Bb6 {Konner offered a draw here. Objectively I should have taken it as I am
about to be worse, but I saw some winning chances so declined. However, even
though I did look pretty deep, I missed his later ...b5! which changes the
position clearly in his favor (e.g. winning). - cjr} 19. Bxb6 axb6 {[%cal
Ba7b6,Bb6b5][%mdl 32]} 20. Rad1 Bh5 21. Rd6 (21. Rxd8 $1 $11 Rxd8 22. b5) 21...
Rxd6 $19 22. exd6 {[%mdl 4096] Endgame KRB-KRB} b5 23. Bb3 Rxa3 24. Rb1 Be2 {
A much easier win is 24. ... Kf6 25. d7 Ra8 26. Rb2 Rd8 33. Rd2 Ke7 and white
will be two pawns down with nothing to show for it. - cjr} 25. d7 Ra8 $1 26.
Kf2 {Black must now prevent Ra1!} Bc4 27. Bxc4 bxc4 {KR-KR} 28. b5 Ke7 29. bxc6
bxc6 30. Rc1 Kxd7 31. Rxc4 Kc7 {[#] I almost resigned here. But I remember
that rook and pawn endgames have the reputation for miracle draws, maybe I can
pull out a draw? So fought on what do I got to lose... - cjr} 32. h3 Kb6 33.
Rb4+ {[#]} Kc7 (33... Ka6 $142 $1) 34. Rc4 $1 $17 Rc8 {This is the wrong plan.
Black probably remembered "Put your rooks behind your passed pawns!". However,
the problem is what do with the black king. If he advances the black king too
fast, white gets to the seventh, or white gets infinite checks or black's king
is too passive. Therefore a better way to proceed is 34... Ra5! 35. g4 c5 36.
gxf5 exf5 37. Ke2 Kc6 and black can advance his king without any of the
problems of the text. - cjr} ({Black should play} 34... Ra5 $17 35. Rc3 c5) 35.
g4 Kb6 (35... Ra8 $17) 36. Rb4+ $1 $11 Ka5 37. Rb7 c5 38. Ke2 fxg4 39. hxg4 Rd8
$2 {Black is under-estimating the power of pawns. Instead ...Rg8 and it's
probably equal as white can win the e6 pawn. - cjr} (39... g5 $11) 40. Rxg7 $14
c4 $1 41. Rxh7 c3 42. Rc7 (42. e4 $1 $14) 42... Rd2+ 43. Kf3 Kb4 44. f5 exf5
45. gxf5 {Threatens to win with e4.} Rd5 $2 {[%mdl 8192]} (45... c2 $11 {
and Black is okay.}) 46. e4 $18 {[%cal Be3e4,Be4e5][%mdl 32]} Rd1 $2 (46...
Rd3+ 47. Kf4 Kb3) 47. e5 Kb3 48. f6 Rf1+ 49. Ke4 $2 (49. Kg2 $18 {is the
precise move to win.} Rf4 50. f7) 49... Re1+ $2 {[%mdl 8192]} (49... c2 $16 50.
Kd4 Rd1+ 51. Ke3 Rf1) 50. Kd5 Rd1+ {[#]} 51. Ke6 $1 c2 52. f7 Rf1 53. Ke7 c1=Q
54. Rxc1 Rxc1 55. f8=Q Rc7+ 56. Kd6 {Precision: White = 53%, Black = 30%.} 1-0

[Event "2021 Oregon Closed Championship"]
[Site "Portland, OR"]
[Date "2021.07.20"]
[Round "6"]
[White "Tang, Zoey"]
[Black "Russell, Corey"]
[Result "1-0"]
[ECO "D35"]
[Annotator "Russell,Corey"]
[PlyCount "117"]
[EventDate "2021.07.16"]
[EventType "tourn"]
[EventRounds "7"]
[EventCountry "USA"]
[SourceVersionDate "2021.07.19"]

{[%evp 18,117,21,3,31,31,31,31,44,44,45,27,27,6,39,27,27,28,28,28,29,17,30,25,
27,-26,-24,-105,0,0,94,94,94,93,93,93,93,93,94,82,86,86,86,86,86,89,91,81,81,
81,81,61,104,102,151,151,167,158,167,157,160,152,164,156,221,221,208,205,204,
197,218,218,244,238,238,212,249,114,437,371,437,437,437,346,365,365,602,208,
965,325,976,976,1711,1711,1711,1711,1711,1042,7417,7417,2556,913]} 1. d4 d5 2.
c4 e6 3. Nc3 Nf6 4. cxd5 exd5 5. Bg5 Be7 6. e3 c6 7. Bd3 Nbd7 8. Nge2 O-O 9.
O-O Re8 10. f3 {LiveBook: 58 Games} Nh5 11. Bxe7 Qxe7 12. e4 dxe4 {White is
slightly better.} 13. fxe4 Nb6 14. Qe1 Be6 {Zoey instead suggested ...c5 here.
I wanted to do that, and that was the idea of my play to this point, but was
hesitant to do with my development issues. However, I lost a crucial tempo
when she did d5 when my bishop was on e6 so she is probably right. - cjr} 15.
b3 c5 16. d5 Bd7 17. Qf2 Nf6 18. h3 $36 {[%mdl 2048] White has good play.} Nc8
19. Rae1 b6 20. Ng3 {Strongly threatening e5.} Qe5 {I thought Nb5 was really
strong here for three reasons: 1) stops ....Nd6 (Nc7 forks rooks) 2) if I take
on b5, she gets a temp and then Nf5 is really strong 3) If I attempt ..a6 then
Na3-c4 is strong. -cjr} 21. Nce2 ({Better is} 21. Nb1) 21... Nd6 $11 22. Nf4 (
22. Qf4 $11 {keeps the balance.}) 22... Rac8 (22... h5 $1 $17 23. Nfe2 h4) 23.
Ba6 {Nd3 is the strong threat.} Bb5 (23... Nfxe4 $11 24. Bxc8 Bxc8 25. Nxe4
Nxe4) 24. Bxb5 $16 ({Much weaker is} 24. Bxc8 $6 Bxf1 25. Qxf1 (25. Rxf1 Nfxe4
26. Nxe4 Nxe4 $15) 25... Rxc8 $11) 24... Nxb5 {[#]} 25. Nfh5 $1 Nxh5 26. Qxf7+
Kh8 27. Nxh5 Nd6 28. Qf4 Qxf4 {Surely the losing move. For some reason I was
only thinking of squares and not that I was a down a pawn. Zoey pointed out in
the post-mortem that instead 28. ... Qd4+ 29. Kh2 Nxe4 30 Nxg7! Kxg7 (...Qxg7
Rxe4) 31. Qg4+ Kh8 32. Rxe4! Qxd5 (not ... Rxe4?? Qxc8+) and it looked drawish
to her. -cjr} 29. Rxf4 Re5 30. Ng3 g6 31. Kf2 Kg7 32. Ke3 Rce8 33. Kd2 Rg5 34.
Rf3 Ree5 (34... c4 $14 {deserves consideration.}) 35. Kd3 h5 {[#]} (35... Re7
$142) 36. Re2 $1 Re7 37. Nf1 Nf7 {White should prevent ...Ne5+.} 38. Rfe3 Ne5+
39. Kc3 h4 40. Nd2 Kf7 (40... Rf7 $16 {was called for.} 41. Nc4 Kf6) 41. Nf3
$18 Rh5 42. Nxe5+ Rhxe5 {[%mdl 4096] Endgame KRR-KRR} 43. Kd3 Ke8 44. Rf3 Kd7
45. Rf6 g5 46. a4 Rg7 47. Ref2 (47. a5 $18) 47... g4 $2 {[%mdl 8192]} (47...
Rge7 $16 {is tougher.}) 48. Rf7+ Re7 49. Rxg7 Rxg7 {KR-KR} 50. e5 {[%cal Be4e5,
Be5e6][%mdl 32]} gxh3 51. gxh3 Rg3+ $2 (51... Ke8 52. Ke4 Rg1) 52. Ke4 Rxh3 $2
(52... Rxb3 53. Rf7+ Ke8) 53. Rf7+ $2 (53. e6+ Kc7 54. Rf7+ Kc8 55. d6) 53...
Ke8 $2 (53... Kc8 54. e6 Rxb3) 54. e6 {Intending d6 and mate.White is clearly
winning.} Rxb3 55. d6 {[%cal Bd5d6,Bd6d7][%mdl 32]} Rb4+ 56. Ke5 {Threatening
mate with d7+.} Rd4 57. d7+ Kd8 58. Rf8+ Kc7 59. Rc8+ {Precision: White = 67%,
Black = 36%.} (59. e7 $142 Kb7 60. d8=Q Rxd8 61. exd8=Q Ka6 62. Qe8 c4 63. Rf7
h3 64. Qb5#) 1-0

[Event "2021 Oregon Closed Championship"]
[Site "Portland, OR"]
[Date "2021.07.20"]
[Round "7"]
[White "Russell, Corey"]
[Black "Zavortink, Matt"]
[Result "0-1"]
[ECO "A65"]
[Annotator "Russell,Corey"]
[PlyCount "92"]
[EventDate "2021.07.16"]
[EventType "tourn"]
[EventRounds "7"]
[EventCountry "USA"]
[SourceVersionDate "2021.07.19"]

{[%evp 27,92,58,59,54,80,80,120,94,119,106,148,150,150,114,129,96,129,106,142,
106,106,98,121,101,136,162,167,102,83,94,94,94,94,65,268,0,0,0,0,-162,-117,
-518,-304,-304,-304,-304,-304,-495,-328,-615,-263,-456,-456,-452,-303,-301,
-262,-232,-231,-413,-394,-394,-292,-1115,-1129,-1315,-1315] All comments are
Fritz except where I add my initials at the end of a comment.} 1. d4 Nf6 2. c4
g6 3. Nc3 Bg7 4. e4 d6 5. f3 O-O 6. Be3 c5 7. d5 e6 8. Qd2 exd5 9. cxd5 Nbd7 $2
{Objectively ...Nbd7 is fine - however, I was in fighting mood and thus ...a6!
would be met by O-O-O. Black is probably faster but was going to play it
anyways. With the text I realized I could play positionally and get an
advantage (which is what happened). -cjr} 10. Nh3 a6 11. a4 Ne5 12. Nf2 h5 13.
Be2 Nh7 14. O-O f5 {LiveBook: 17 Games} 15. exf5 gxf5 16. Nh3 Kh8 17. Rfd1 Qe8
18. Nf4 Rf6 (18... Rg8 $142) 19. a5 Bd7 20. b3 Qf7 21. Na4 Rg8 22. Nb6 Bb5 23.
Rac1 Bh6 24. Kh1 Nf8 25. b4 Bxe2 26. Qxe2 Nfg6 27. Nxg6+ (27. Nxh5 Nh4 $17) (
27. Ne6 $1 $18 Bxe3 28. Qxe3) 27... Rfxg6 $16 28. Bxh6 {And now Bf4 would win.}
Rxg2 29. Qf1 $1 {Hoping for Bf4.} f4 30. bxc5 dxc5 $2 {[#]} (30... Kh7 $14) 31.
Qxg2 $2 {I was playing good up to this point, though I did miss a few wins.
However, Matt did a great job to confuse the issue. I am totally befuddled by
the gazlllion permatations his queeen, knight and pawns can do, and thus do
not find the correct defense. I'm sure NIck Raptis would say I played too fast,
but in my defense I just had a grueling defensive game wtih Zoey Tang and also
was unable to get any sleep at my hotel. As a result, was playing fast as a
result of my fatigue. -cjr} (31. Rxc5 Kh7 $16) (31. Nc4 $1 $18 {[%cal Rc4e5]}
Nd7 32. Re1) 31... Rxg2 $11 32. Kxg2 {h4 is the strong threat.} Qg6+ 33. Kh1 $2
(33. Kf1 $11 {and White stays safe.} Qf5 34. Kg2 (34. Rxc5 Qh3+ 35. Ke1 Qxf3
$17) 34... Qg6+ 35. Kf2 Qxh6 36. d6 (36. Rxc5 $2 Qd6 $17)) 33... Nxf3 $40 {
[%mdl 128] Black wants a kill.} 34. Rc4 $2 {[%mdl 8192]} ({But not} 34. Bxf4 $2
Nh4 $19) (34. Rf1 $17 Qe4 35. Rf2 Ne5+ 36. Kg1 (36. Rg2 $2 f3 $19)) 34... Nd4
35. Bxf4 {Strongly threatening Rdxd4.} Qe4+ 36. Kg1 Qxf4 37. Rd3 $2 (37. Rf1 {
is a better defense.} Qg4+ 38. Kh1) 37... h4 {( -> ...Qg4+)} 38. h3 $2 (38. Ra3
) 38... Nf3+ (38... Qg5+ $142 39. Kh1 Qf5 40. Rdxd4 Qxh3+ 41. Kg1 cxd4 42. Rc8+
Kg7 43. Rc7+ Kg6) 39. Kf2 $2 {[#]} (39. Rxf3 Qxf3 40. Rxh4+ Kg7 41. Rg4+ Kh6
42. Rh4+ Kg6 43. Rg4+ Kf5 44. Kh2) 39... Qg3+ $1 40. Ke2 Nd4+ 41. Rcxd4 Qg2+
42. Ke3 Qxh3+ ({Don't take} 42... cxd4+ 43. Kxd4 Qb2+ 44. Ke4) 43. Ke4 $2 (43.
Kd2 Qh2+ 44. Kc3 cxd4+ 45. Rxd4) 43... Qg4+ 44. Ke5 Qg5+ (44... cxd4 $2 45. d6
$19) 45. Ke6 $2 (45. Kd6 cxd4 46. Kc5) 45... cxd4 46. Rxd4 Qe3+ {Precision:
White = 26%, Black = 43%.} 0-1

[Event "2021 Oregon Closed Challengers"]
[Site "Portland, OR"]
[Date "2021.07.18"]
[Round "5"]
[White "Murray, David"]
[Black "Cosner, Karl"]
[Result "1-0"]
[ECO "A51"]
[WhiteElo "1859"]
[BlackElo "2048"]
[Annotator "Ralph Dubisch"]
[PlyCount "97"]
[EventDate "2021.07.16"]
[EventType "tourn"]
[EventRounds "7"]
[EventCountry "USA"]
[SourceVersionDate "2021.07.19"]

{[%evp 0,97,36,14,23,-12,16,-54,-42,-48,-53,-25,-35,-35,-34,-24,-39,-68,-63,
-63,-63,-65,-87,-82,-119,-96,-35,-79,-92,-76,-74,-83,24,9,25,25,25,25,43,37,97,
-3,36,78,158,169,399,461,436,443,560,572,525,349,349,349,436,392,418,316,357,
408,407,343,343,347,352,355,413,455,463,309,344,114,118,88,88,88,74,31,138,144,
150,184,211,204,414,556,706,648,749,1218,1288,1352,1370,1301,1373,1389,29983,
29984]} 1. d4 Nf6 2. c4 e5 3. Bg5 $6 ({An innovative way to meet the Budapest,
though it can't be as good as following the main lines:} 3. dxe5 Ng4 {and
White has several decent choices. The only reason to avoid this is fear that
Black is better prepared.} (3... Ne4 4. a3 $5 Qh4 (4... Nc6 5. Nf3 d6 6. Qc2)
5. g3 Qh5 6. Bg2 Qxe5 7. Qc2 {looks fairly simple and quite promising for
White.})) 3... Bb4+ 4. Nc3 exd4 5. Qxd4 Nc6 6. Qe3+ Qe7 7. Qxe7+ Kxe7 8. O-O-O
$6 (8. Rc1) 8... Bxc3 9. bxc3 h6 10. Bh4 $6 (10. Bxf6+ Kxf6 11. Nf3 d6 12. Nd4
Re8 13. e3 $15) 10... g5 11. Bg3 Ne4 12. Kb2 f5 ({Why not simply} 12... d6 $17
{, develop, and play chess with the better pawn structure and minor pieces?
The bishop-pair are not a factor here, as long as Black avoids opening up the
position.}) 13. f3 f4 (13... Nxg3 14. hxg3 d6 $15) 14. Be1 Nd6 15. e4 fxe3 $2 (
{Perhaps Black thought he could keep the extra pawn, but this capture opens
the center and allows White to activate the bad bishop from f1. Black has a
nice advantage with} 15... Ne5 {, aiming to take c4 and perhaps occupy the
e3-outpost with a mega-knight.}) 16. h4 g4 $6 ({Black can hold on with} 16...
Nf7 {.}) 17. c5 Nf7 18. Rd3 d5 $6 ({Self-restricting -- and soon self-pinning
-- the c8-bishop. Better} 18... d6 19. Rxe3+ Kf8 $14 {.}) 19. Rxe3+ Be6 20. f4
Kd7 21. Bd3 d4 $2 (21... Ne7 $14) 22. cxd4 Bd5 $2 (22... Rae8 23. Ne2 Bd5 {
at least avoids entombing the rook.}) 23. Bf5+ Kd8 24. h5 Ne7 25. Bh4 Ng5 26.
Rxe7 Kxe7 27. fxg5 Rhf8 28. g6+ Ke8 29. Bd3 b6 30. g7 Rg8 31. Bg6+ Kd7 32. c6+
Kxc6 33. Bf6 Rae8 34. Bxe8+ Rxe8 35. Rh4 Re4 36. Nf3 $6 (36. Be5 $1 Re1 (36...
Kd7 37. g3 Ke7 38. Rh2) 37. Rxg4 Rxg1 38. g8=Q $18) 36... Re2+ 37. Kb1 (37. Kc1
gxf3 38. gxf3 Rg2) 37... gxf3 38. gxf3 Bxa2+ 39. Ka1 Bd5 $2 (39... Rg2 $14) 40.
Rg4 Re8 (40... Bg8) 41. Rg6 Kb5 42. Rxh6 Kb4 $2 ({Black can create some
obscure complications and significant technical difficulties with} 42... Re1+
43. Kb2 Kc4 44. Rg6 Re2+ 45. Kc1 Kc3 46. Bh4 (46. Kd1 $2 Re6 $1 47. Be5 (47.
g8=Q $4 Bb3+ 48. Kc1 Re1#) 47... Rxg6 48. hxg6 Bxf3+ 49. Kc1 Bd5) 46... Rh2 47.
Be1+ Kd3 48. Rg5 (48. g8=Q Bxg8 49. Rxg8 Rxh5 50. Bg3 Kxd4 51. Kd2 $14) 48...
Bg8 49. d5 $16 {.}) 43. Be5 $1 c5 44. Rh8 Bg8 45. Rxg8 $1 Rxg8 46. h6 cxd4 47.
Bxd4 Kb3 48. h7 Re8 49. g8=Q+ 1-0

[Event "2021 Oregon Closed Championship"]
[Site "Portland, OR"]
[Date "2021.07.16"]
[Round "1"]
[White "Tang, Zoey"]
[Black "Feldman, Konner"]
[Result "1-0"]
[ECO "D00"]
[WhiteElo "2169"]
[BlackElo "1998"]
[Annotator "Ralph Dubisch"]
[PlyCount "69"]
[EventDate "2021.07.16"]
[EventType "tourn"]
[EventRounds "7"]
[EventCountry "USA"]
[SourceVersionDate "2021.07.19"]

{[%evp 0,69,19,31,14,-9,38,15,4,9,-6,-20,-15,-37,0,-1,-7,3,-9,-1,3,9,1,-17,32,
36,47,47,44,41,103,133,122,122,193,188,201,198,220,206,189,174,228,191,173,177,
184,151,184,170,214,212,252,252,282,166,279,195,193,191,186,184,196,187,169,
141,338,338,608,613,974,972]} 1. d4 Nf6 2. Bg5 g6 3. Bxf6 exf6 4. e3 d5 5. g3
c6 6. Bg2 Bg7 7. Ne2 O-O 8. O-O Nd7 9. Nd2 Nb6 10. b3 Bf5 11. c4 dxc4 $2 ({
Capturing away from the center releases the tension and improves White's
central control. Better moves include} 11... Re8) ({and} 11... a5 {, with
complex maneuvering ahead in either case.}) 12. bxc4 Bd3 13. Rc1 Re8 14. Re1 g5
$6 ({This appears to be an attempt to contain White's knights, but the
positional damage is too great.} 14... Bxe2 15. Rxe2 f5 16. c5 Nd5 17. Nc4 $16
{doesn't look at all promising, but hope is not yet lost.}) 15. Qb3 Bg6 16. c5
Nd7 (16... Nd5 {doesn't help:} 17. Qxb7 {claims both material and positional
dominance.}) 17. Qxb7 Ne5 18. dxe5 Qxd2 19. exf6 Bxf6 20. Qxc6 Be5 21. Qd5 Rad8
22. Qxd2 Rxd2 23. a4 (23. c6 {seems a more direct method, but White's extra
material and passed pawn don't need to rush too much.}) 23... Bc2 24. Nd4 Bxa4
(24... Bxd4 25. exd4 Rxe1+ 26. Rxe1 Rxd4 27. c6 Bf5 {asks White to prove the
win.}) 25. Nf3 Rd7 26. Rc4 Bb5 27. Re4 Rd5 28. Nxe5 Rdxe5 29. Rxe5 Rxe5 30. Rc1
Ba6 31. c6 Bc8 32. Rd1 Kf8 $2 ({Allows a nice finishing tactic.} 32... Be6 {
struggles on.}) 33. c7 Re7 $2 (33... Kg7 {gives up "only" a piece.}) 34. Rd8+
Re8 35. Bc6 1-0

[Event "Portland "]
[Site "Portland"]
[Date "1916.04.06"]
[Round "?"]
[White "Capablanca, Jose Raul"]
[Black "Leonard, RT."]
[Result "0-1"]
[ECO "D46"]
[Annotator "Donaldson, John"]
[PlyCount "92"]
[EventDate "1916.04.06"]
[EventType "simul"]
[EventCountry "USA"]
[SourceVersionDate "2021.07.19"]

1. d4 d5 2. Nf3 Nf6 3. c4 c6 4. Nc3 e6 5. e3 Bb4 6. Bd3 O-O 7. O-O Nbd7 8. Qc2
h6 9. Ne2 dxc4 10. Bxc4 Re8 11. e4 e5 12. Qb3 Qe7 13. dxe5 Nxe4 {[#]} 14. Ned4
(14. e6 $1 fxe6 15. Nf4) 14... Nb6 15. Bxf7+ Qxf7 16. Qxb4 c5 17. Qe1 Qd5 18.
Nb5 Re7 19. Nc3 Nxc3 20. Qxc3 Bg4 21. Bf4 Bxf3 22. gxf3 Rf8 23. Rfd1 Qf7 {[#]}
24. Qxc5 $2 ({This blunders a piece. White was somewhat better after} 24. Bg3)
24... Rc7 $1 25. Qd6 Rc6 26. e6 Qg6+ 27. Bg3 Rxd6 28. Rxd6 Nc4 29. Rd4 Qxe6 30.
Kg2 Qf7 31. Rf4 Qd5 32. Re4 Rxf3 33. Kxf3 Nd2+ 34. Ke2 Nxe4 35. Rd1 Nxg3+ 36.
hxg3 Qxa2 37. Rd2 b6 38. f4 a5 39. Ke3 b5 40. g4 a4 41. g5 hxg5 42. fxg5 b4 43.
Kf4 Qf7+ 44. Kg4 Qf8 45. Rd4 a3 46. bxa3 b3 0-1

[Event "Portland "]
[Site "Portland"]
[Date "1916.04.06"]
[Round "?"]
[White "Capablanca, Jose Raul"]
[Black "Kurth, H."]
[Result "0-1"]
[ECO "C78"]
[Annotator "Donaldson, John"]
[PlyCount "84"]
[EventDate "1916.04.06"]
[EventType "simul"]
[EventCountry "USA"]
[SourceVersionDate "2021.07.19"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Bc5 6. c3 b5 7. Bc2 d6 8. d4
Bb6 9. dxe5 (9. a4) 9... dxe5 10. Qxd8+ Kxd8 11. a4 Bb7 12. axb5 axb5 13. Rxa8+
Bxa8 14. Na3 b4 15. Nc4 Nd7 16. Rd1 f6 17. Ba4 bxc3 18. bxc3 Kc8 {[#]} 19. Rxd7
$2 (19. Ba3 {with equal chances was indicated. Instead Capablanca goes for a
combination that does not pan out.}) 19... Kxd7 20. Ncxe5+ fxe5 21. Nxe5+ Ke6
22. Nxc6 Bxc6 23. Bxc6 {White has two pawns for the exchange, but after...} Rf8
{it is clear that Capablanca is lost.} 24. Bd5+ Ke5 25. h4 Bxf2+ 26. Kh2 Bxh4
27. g3 Bd8 28. Bf4+ {[#]} Rxf4 $1 29. gxf4+ Kxf4 30. Kh3 g5 31. Kg2 h5 32. e5
h4 33. e6 g4 34. Kh2 Be7 35. Kg2 Bd6 36. Kh1 Kg3 37. Bc6 Kf4 38. Ba4 h3 39. Bd7
g3 40. Bc6 g2+ 41. Bxg2 hxg2+ 42. Kxg2 Ke3 0-1

[Event "Portland "]
[Site "Portland"]
[Date "1916.04.06"]
[Round "?"]
[White "Capablanca, Jose Raul"]
[Black "Trenholm, A.K.."]
[Result "1-0"]
[ECO "C78"]
[Annotator "Donaldson, John"]
[PlyCount "69"]
[EventDate "1916.04.06"]
[EventType "simul"]
[EventCountry "USA"]
[SourceVersionDate "2021.07.19"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O b5 6. Bb3 d6 7. Ng5 $6 (7. c3)
7... d5 8. exd5 Nxd5 $2 {[#]} (8... Nd4 $1) 9. Nxf7 $1 {White has an improved
Fried Liver attack (...d7-d6-d5) that is crushing.} Kxf7 10. Qf3+ Ke6 11. Nc3
Nce7 12. d4 c6 13. Re1 Kd7 14. Nxd5 cxd5 15. Rxe5 Ra7 16. Bxd5 Nxd5 17. Rxd5+
Bd6 18. Rxd6+ Kxd6 19. Bf4+ Kd7 20. Re1 Qg8 21. d5 h6 22. Qe3 Qxd5 23. Qxa7+
Bb7 24. f3 Rf8 25. Qe3 Qf7 26. Rd1+ Bd5 27. Qa7+ Ke6 28. Qxa6+ Kf5 29. Qd6 Be6
30. Re1 Re8 31. g4+ Kf6 32. Qd4+ Kg6 33. Qd3+ Kf6 34. Be5+ Ke7 35. Qd6# 1-0

[Event "Portland"]
[Site "Portland"]
[Date "1924.03.01"]
[Round "?"]
[White "Alekhine, Alexander"]
[Black "Jake Wark"]
[Result "1-0"]
[ECO "C26"]
[Annotator "Donaldson, John"]
[PlyCount "63"]
[EventDate "1924.03.01"]
[EventType "simul"]
[EventCountry "USA"]
[SourceVersionDate "2021.07.19"]

1. e4 e5 2. Nc3 Nf6 3. Bc4 c6 4. d4 exd4 5. Qxd4 Qb6 6. Qxb6 axb6 7. e5 Ng8 8.
Bf4 Bb4 9. Nge2 h6 10. O-O-O b5 11. Bb3 Ne7 12. Ne4 O-O 13. g4 Ng6 14. Bg3 Na6
15. f4 d5 $1 {[#]} 16. f5 Nxe5 17. Bxe5 dxe4 (17... Re8 $1 {would have left
White struggling to find an answer.}) 18. a3 Be7 19. Nf4 Kh7 20. Nh5 f6 21. Bd6
Bxd6 22. Rxd6 Nc5 23. Re1 Bd7 (23... b4 $1) 24. Nf4 Nxb3+ 25. cxb3 Rf7 26. Rxe4
b6 27. b4 Rc8 28. Kd2 Rb8 29. Ng6 Rc8 30. Ke3 Re8 31. Rxe8 Bxe8 32. Rd8 1-0

[Event "Portland"]
[Site "Portland"]
[Date "1924.03.01"]
[Round "?"]
[White "Alekhine, Alexander"]
[Black "Pelouse, Fred"]
[Result "1/2-1/2"]
[ECO "A43"]
[Annotator "Donaldson, John"]
[PlyCount "76"]
[EventDate "1924.03.01"]
[EventType "simul"]
[EventCountry "USA"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

{[%evp 0,76,38,16,33,36,57,92,86,86,64,58,63,9,57,3,3,3,3,3,3,7,20,12,11,15,21,
16,24,36,16,33,3,-19,7,-28,39,25,52,-10,72,78,94,45,84,62,58,39,46,46,50,0,41,
0,0,9,17,9,9,9,9,-27,-30,-30,-45,-51,-73,-55,-43,-102,-20,-162,0,-21,0,0,0,0,0]
} 1. d4 e6 2. e4 c5 3. d5 d6 4. Nc3 a6 5. a4 Be7 6. f4 Bf6 7. Nf3 Bxc3+ 8. bxc3
exd5 9. exd5 Nf6 10. Be2 O-O 11. O-O Bf5 12. Rb1 b6 13. c4 Nbd7 14. Bd3 Bxd3
15. cxd3 $14 Re8 16. Bd2 Rb8 17. h3 h6 18. g4 Nh7 19. Bc3 Ndf8 20. Qd2 Qd7 {[#]
} 21. f5 (21. Qb2 f6 22. Nh4 {intending Nf5 or the immediate}) (21. Nh4 {
were stronger and would have maintained White's advantage.}) 21... Qd8 $2 (
21... f6 {would have blunted White's operations on the kingside and a later ...
b5 provided counterplay.}) 22. Qf4 $2 (22. f6 $1 Nxf6 23. g5 hxg5 24. Nxg5 N8d7
25. Qg2 {Ne4 and/or doubling rooks on the f-file would have been very strong.})
22... Ng5 23. Nxg5 hxg5 24. Qd2 f6 25. Kf2 Rb7 26. Rfe1 Rxe1 27. Rxe1 Qd7 28.
Ra1 b5 29. axb5 (29. cxb5) 29... axb5 30. Ra6 (30. Ra2) 30... b4 31. Ba1 Ra7
32. Qa2 Rxa6 33. Qxa6 Kf7 {[#]} 34. d4 $2 (34. Qa8 {or}) (34. Qa2 {with equal
chances. The text creates a fatal entry point into White's position.}) 34...
Qc7 (34... Qe7 $1 {intending ...Qe4 was even stronger.}) 35. Ke3 Nd7 $2 (35...
Qe7+ $1 36. Kf3 Qe1 {was winning.}) 36. Kd3 cxd4 37. Bxd4 Ne5+ 38. Bxe5 fxe5
1/2-1/2

[Event "Portland"]
[Site "Portland"]
[Date "1924.03.01"]
[Round "?"]
[White "Alekhine, Alexander"]
[Black "Pluylaar, M.."]
[Result "1-0"]
[ECO "D06"]
[Annotator "Donaldson, John"]
[PlyCount "37"]
[EventDate "1924.03.01"]
[EventType "simul"]
[EventCountry "USA"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

{[%evp 0,37,25,32,19,23,23,18,26,-15,3,-39,-17,-17,5,8,70,62,65,71,72,85,99,98,
96,105,129,69,78,86,124,119,124,133,283,293,372,397,503,527]} 1. d4 d5 2. Nf3
Nc6 3. Bf4 Bf5 4. c4 e6 5. Nc3 Bb4 6. e3 Bxc3+ $146 7. bxc3 Bg4 8. h3 Bxf3 9.
Qxf3 Nf6 10. Bd3 O-O 11. O-O Re8 12. Rab1 {[%csl Rb7,Gd3,Gf4]} b6 13. Rfc1 e5
14. cxd5 Qxd5 15. Qxd5 Nxd5 16. Bg3 {[#]} e4 $2 {White, with the advantages of
the two bishops and a strong center, holds all the trumps but Black's last
move only hastens the end.} 17. Bb5 Re6 18. c4 Ncb4 19. cxd5 1-0

[Event "Portland"]
[Site "Portland"]
[Date "1924.03.01"]
[Round "?"]
[White "Alekhine, Alexander"]
[Black "Van Zante, J."]
[Result "1-0"]
[ECO "D46"]
[Annotator "Donaldson, John"]
[PlyCount "81"]
[EventDate "1924.03.01"]
[EventType "simul"]
[EventCountry "USA"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

{[%evp 0,81,19,19,27,23,20,6,6,6,55,45,55,49,49,47,56,28,28,28,35,28,40,46,85,
70,91,91,91,58,60,60,58,58,85,67,65,67,73,60,110,80,67,38,52,52,48,47,96,68,68,
2,-10,0,-14,0,34,-33,-33,-78,-86,-93,-33,-49,-44,-110,-64,-117,-110,-105,-106,
-116,-120,-136,-137,-126,-131,-169,0,0,0,0,330,334]} 1. d4 d5 2. Nf3 Nf6 3. c4
e6 4. Nc3 c6 5. e3 Bd6 6. Bd3 Nbd7 7. e4 Nxe4 8. Nxe4 dxe4 9. Bxe4 Nf6 (9...
O-O 10. O-O h6 {preparing ...e5 (it drops a pawn if played immediately) is
Black's best try here.}) 10. Bc2 h6 11. O-O Bc7 $6 $146 12. b3 Qd6 13. Ne5 c5
14. Ba3 (14. Bf4 $1 {with the idea} Qxd4 15. Qxd4 cxd4 16. Nxf7 $1 {was
White's most precise continuation.}) 14... Qxd4 15. Qxd4 cxd4 16. Nf3 {[#]} Ba5
$2 (16... Bd8 17. Nxd4 Be7 {was the solid way to shut down White's activity.})
17. Nxd4 Bd7 (17... Bc3 18. Nb5 Bxa1 19. Rxa1 {leaves Black helpless.}) 18.
Rad1 O-O-O 19. h3 Nh5 20. Bd6 Bc7 21. Bxc7 Kxc7 22. f4 g6 23. g4 Ng7 24. Kf2 h5
25. g5 e5 $1 26. fxe5 Bxh3 27. Nb5+ Kb8 28. Rfe1 Ne6 29. Rd5 $2 (29. Kg3 Bg4
30. Rxd8+ Rxd8 31. Nd6 Nxg5 32. Be4 {had to be played with equal chances.})
29... Nxg5 30. Red1 Ne6 (30... Rde8) 31. Nd6 Rd7 32. b4 Rf8 33. Ba4 Rc7 (33...
Re7 $1) 34. c5 Bg4 35. R1d2 f6 36. Kg1 Bf3 (36... Ng5) 37. R5d3 fxe5 38. Re3 {
[#]} Nxc5 $2 (38... e4 {would have given Black much the better of it.}) 39.
bxc5 Rxc5 40. Rc2 Rd5 $4 (40... Rxc2 41. Bxc2 Rf4 {with equal chances.}) 41.
Rxf3 1-0

[Event "Portland"]
[Site "Portland"]
[Date "1924.03.01"]
[Round "?"]
[White "Alekhine, Alexander"]
[Black "Johnson, Albert Godfrey"]
[Result "1-0"]
[ECO "D53"]
[Annotator "Donaldson, John"]
[PlyCount "77"]
[EventDate "1924.03.01"]
[EventType "simul"]
[EventCountry "USA"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

{[%evp 0,77,28,30,29,22,23,-10,-11,6,23,14,30,31,50,40,46,48,63,51,72,70,62,44,
22,46,151,80,105,101,89,22,-4,-5,-4,2,66,58,73,64,76,67,72,48,448,424,457,471,
485,48,53,0,11,8,31,10,108,109,101,106,111,107,117,136,156,154,177,243,294,310,
363,464,620,209,245,410,660,778,836,784]} 1. d4 d5 2. Nf3 e6 3. c4 Nf6 4. Nc3
Be7 5. Bg5 Nbd7 6. e3 c6 7. Bd3 dxc4 8. Bxc4 b5 9. Bd3 a6 10. O-O c5 11. a4 b4
12. Ne4 a5 $2 {[#] This move is a fatal loss of time.} ({After} 12... cxd4 13.
Nxd4 Bb7 {White would only have a slight advantage.}) 13. Rc1 {Not bad but} (
13. dxc5 $1 {was more energetic as} Nxc5 {is met by} (13... Bb7 14. Bxf6 gxf6
15. Bb5 $1 Bxe4 16. c6) 14. Nxc5 Bxc5 15. Qc2 Qb6 16. Rac1 Be7 (16... Nd7 17.
Bb5) 17. Qxc8+) 13... cxd4 14. Nxd4 Bb7 15. Nc6 $2 {This looks natural but
throws all of White's advantage away. Instead} (15. Nxf6+ Bxf6 16. Qh5 $1 {
with the point that} Bxg5 {is answered by} (16... g6 17. Bxf6 Qxf6 18. Qb5 Bd5
19. Rc7 Rd8 20. Rfc1 {with a winning position.}) 17. Nxe6 $1) 15... Bxc6 16.
Rxc6 Ne5 $2 17. Bb5 Nxc6 $2 (17... O-O {was correct with equal chances.}) 18.
Bxc6+ Kf8 19. Bxa8 Qxa8 20. Nxf6 Bxf6 21. Qd6+ {[#]} Ke8 $2 {this should have
lost right away. Correct was} (21... Kg8 {with the idea that after the trade
on f6 the king can find shelter on g7 and the rook developed to d8 or c8.}) 22.
Bxf6 gxf6 23. Rc1 Rg8 24. f3 $2 {An instructive mistake by the future World
Champion. The text creates weaknesses in White's camp. Instead} (24. g3 Qd8 25.
Qa6 {would have left Black no chances.}) 24... Qd8 $1 {Johnson alertly grabs
his chance.} 25. Qc6+ (25. Qa6 {is now met by} Rxg2+ $1) 25... Kf8 26. Qc2 Rg5
(26... Kg7 {was simpler. Johnson wants to activate his rook by swinging it
over to d5.}) 27. e4 f5 $2 {This should lose on the spot.} (27... Kg7 {with
the idea of meeting} 28. Rd1 {with} Rc5 $1 {would have held.}) 28. Qc8 Qxc8 29.
Rxc8+ Ke7 {[#]} 30. Rc5 $6 {This looks natural but} (30. e5 {was much stronger.
Now Black misses a chance to activate his rook.}) 30... h6 $2 (30... Rg8 $1 31.
exf5 Rd8 32. Rxa5 Rd2 {and Black is still fighting.}) 31. Rxa5 fxe4 32. Rxg5
hxg5 33. fxe4 b3 34. Kf2 Kd6 35. Ke3 Kc5 36. Kd3 Kb4 37. e5 Kxa4 38. Kc4 Ka5
39. Kc5 1-0

[Event "Portland"]
[Site "Portland"]
[Date "1924.03.01"]
[Round "?"]
[White "Alekhine, Alexander"]
[Black "Widmer, Edward"]
[Result "0-1"]
[ECO "C26"]
[Annotator "Donaldson, John"]
[PlyCount "88"]
[EventDate "1924.03.01"]
[EventType "simul"]
[EventCountry "USA"]
[SourceVersionDate "2021.07.19"]

{[%evp 0,88,19,38,25,11,25,28,14,19,2,-33,-29,-15,38,27,15,20,1,-8,23,-5,48,43,
49,49,54,53,51,34,50,43,23,-34,42,48,45,-7,-1,-38,100,-56,-63,-177,-133,-119,
-123,-128,-133,-134,-91,-66,-70,-41,-56,-112,-184,-188,-188,-159,-138,-785,
-786,-1011,-873,-928,-939,-939,-941,-941,-1029,-1029,-1103,-1160,-1141,-1191,
-1264,-1364,-1416,-1416,-1504,-1504,-1504,-1526,-1555,-29989,-29990,-29991,
-29992,-29993,-29994]} 1. e4 e5 2. Nc3 Nf6 3. Bc4 Bc5 4. d3 c6 5. f4 d6 6. Nf3
Bg4 7. h3 Bxf3 8. Qxf3 Nbd7 9. a4 a6 10. a5 Bd4 11. Be3 Bxe3 12. Qxe3 Qe7 13.
O-O h6 14. Ba2 O-O 15. f5 $6 ({Opening the f-file with} 15. fxe5 {was more
natural.}) 15... Rac8 16. g4 Nh7 ({The central break with} 16... d5 $1 {
was the classic way to counter Alekhine's flank attack.}) 17. Kg2 Qg5 18. Qg3
Ndf6 19. Nd1 d5 20. Nf2 Qd2 {[#]} 21. h4 $2 ({Alekhine gets carried away.} 21.
Bb3 {would have maintained a small advantage.}) 21... dxe4 22. Rad1 Qxa5 23.
Bb3 exd3 24. Nxd3 Rfe8 25. g5 hxg5 26. hxg5 Ne4 27. Qh4 Nexg5 28. f6 gxf6 29.
Rxf6 e4 {[#]} 30. Nf4 (30. Rxf7 Nxf7 31. Bxf7+ Kh8 32. Bxe8 Rxe8 33. Nf2 {
was White's best chance to resist although he doesn't have sufficient
compensation for the two pawn deficit.}) 30... Nxf6 31. Rd5 {Alekhine tries to
muddy the waters in a lost position.} Nxd5 32. Qxg5+ Kf8 33. Bxd5 Qd2+ 34. Kh3
Qe3+ 35. Kh2 Qf2+ 36. Kh3 Qf3+ 37. Kh2 cxd5 38. Qh6+ Ke7 39. Nxd5+ Kd7 40. Nb6+
Kc7 41. Nd5+ Kb8 42. Qd6+ Ka7 43. Qb6+ Ka8 44. Nc7+ Rxc7 0-1

[Event "Seattle "]
[Site "Seattle"]
[Date "1926.03.18"]
[Round "?"]
[White "Lasker, Emanuel"]
[Black "Maltby, Fred"]
[Result "0-1"]
[ECO "C50"]
[Annotator "Donaldson, John"]
[PlyCount "72"]
[EventDate "1926.03.18"]
[EventType "simul"]
[EventCountry "USA"]
[SourceVersionDate "2021.07.19"]

1. e4 e5 2. Nc3 Bc5 3. Nf3 Nc6 4. Bc4 Nf6 5. d3 d6 6. Bg5 h6 7. Bh4 Bb4 8. Nd2
g5 9. Bg3 Be6 10. h4 Kd7 11. hxg5 $2 {Opening the file only helps Black.} (11.
Nd5 {was indicated.}) 11... hxg5 12. Bxe6+ fxe6 13. Rxh8 Qxh8 14. Nf1 Rf8 15.
a3 Ba5 16. f3 $2 (16. Qd2 {preparing to castle was imperative.}) 16... Nh5 17.
Bf2 Nf4 {[#] Black is winning.} 18. g3 Nh3 19. Be3 Qf6 20. Nh2 Nd4 21. Bxd4
exd4 22. b4 dxc3 23. bxa5 Qe5 24. Nf1 Ng1 $1 {[#]} 25. Kf2 Nxf3 26. Qxf3 Rxf3+
27. Kxf3 Qxa5 28. Ne3 b5 29. Kg4 Qb6 30. Re1 Qc5 31. Nd1 a5 32. Rh1 b4 33. axb4
axb4 34. Kf3 b3 35. Ne3 b2 36. Nc4 Qb4 0-1

[Event "Portland"]
[Site "Portland"]
[Date "1926.03.20"]
[Round "?"]
[White "Johnson, Albert Godfrey"]
[Black "Lasker, Emanuel"]
[Result "1-0"]
[ECO "E16"]
[Annotator "Donaldson, John"]
[PlyCount "51"]
[EventDate "1926.03.20"]
[EventType "simul"]
[EventCountry "USA"]
[SourceVersionDate "2021.07.19"]

{[%evp 0,51,33,33,39,39,39,2,23,9,14,10,14,16,24,25,32,6,6,6,6,0,6,-5,45,11,10,
0,161,40,65,-5,63,83,211,152,190,214,317,233,695,707,770,709,1342,1239,1218,
894,1622,1622,29993,29994,29995,29996]} 1. d4 Nf6 2. Nf3 e6 3. c4 b6 4. g3 Bb7
5. Bg2 Bb4+ 6. Bd2 Qe7 7. a3 Bxd2+ 8. Nbxd2 O-O 9. O-O d6 10. Re1 Nbd7 11. e4
Rfd8 12. Qc2 e5 13. Nh4 {[#]} exd4 $4 (13... g6) 14. Nf5 (14. e5 $1 d3 15. Qc3)
14... Qe5 15. Nf3 Qe8 $2 (15... Bxe4 16. Nxe5 Bxc2 17. Ne7+ Kf8 18. N5c6 Re8
19. Nxd4 Be4 20. Bxe4 Nxe4 21. Nd5 Rac8 22. Nb5 c6 23. Rxe4 Rxe4 24. Nxd6 Rce8
25. Nxe8 Kxe8 26. Ne3 $11) 16. N3xd4 Nc5 17. b4 Ne6 {[#]} 18. e5 $1 Bxg2 19.
exf6 Bb7 20. Ne7+ Kh8 21. Nxe6 fxe6 22. fxg7+ Kxg7 23. Rxe6 Qh5 24. Qc3+ Kf7
25. Qf6+ Ke8 26. Nd5+ 1-0

[Event "Simul - Euwe"]
[Site "Vancouver"]
[Date "1949.01.17"]
[Round "?"]
[White "Euwe, Max"]
[Black "Ostrom, Harold"]
[Result "0-1"]
[ECO "D09"]
[Annotator "kings"]
[PlyCount "116"]
[EventDate "1949.01.17"]
[EventType "simul"]
[EventCountry "CAN"]
[SourceTitle "VDP 05/02/1949"]

{[%evp 0,116,40,28,27,-16,1,8,6,28,28,28,44,65,88,49,41,72,122,53,81,51,67,71,
84,53,39,48,48,5,0,-29,-9,-7,-21,-12,19,-39,-34,-25,12,0,-14,-21,-23,-56,-53,
-55,-47,-36,-67,-64,-85,-89,-88,-109,-23,-127,-155,-175,-187,-182,-204,-207,
-220,-222,-152,-150,-150,-160,-202,-208,-216,-291,-186,-261,-139,-158,-277,
-283,-271,-376,-212,-926,-276,-634,-231,-275,-349,-349,-335,-361,-358,-347,
-475,-539,-554,-557,-557,-567,-354,-557,-557,-557,-852,-1011,-1011,-1011,-1022,
-1022,-1022,-1032,-1032,-1032,-1032,-1032,-29962,-29973,-29972]} 1. d4 d5 2. c4
e5 3. dxe5 d4 4. Nf3 Nc6 5. g3 Be6 6. Nbd2 Nge7 7. Bg2 Ng6 8. O-O Be7 9. a3 Rb8
10. b4 O-O 11. Bb2 Ngxe5 12. b5 Nxf3+ 13. Nxf3 Na5 14. Bxd4 Nxc4 15. Bxa7 Qxd1
16. Rfxd1 Ra8 17. Bd4 Rxa3 18. Rxa3 Nxa3 19. b6 cxb6 20. Bxb6 Nc4 21. Bd4 b5
22. Nd2 Nxd2 23. Rxd2 Rc8 24. Be4 b4 25. Bb2 b3 26. e3 f5 27. Bf3 Bb4 28. Rd4
$2 {Euwe wants more, but 28.Bd5 was the right course heading for a draw after
28…Bxd5 29.Rxd5 Rc2 30.Rb5 Rxb2 (30...Be1 31.Rxb3 Bxf2+ 32.Kh1 Bxe3 33.Bxg7
is equal) 31.Rxb4.} Bc3 29. Bxc3 Rxc3 {[#]} 30. Rb4 Rc2 31. Kg2 b2 32. Bd1 Rd2
33. Bb3 Kf7 34. Rb7+ Kf6 35. Bxe6 Kxe6 36. Kf3 Kd6 37. h3 g6 38. g4 Kc5 39.
gxf5 gxf5 40. e4 fxe4+ 41. Kxe4 Kc4 {[#]} 42. f4 Kc3 43. Rc7+ Kb3 44. Rb7+ Kc2
45. Rc7+ Kd1 46. Rb7 Kc1 47. f5 b1=Q+ 48. Rxb1+ Kxb1 49. f6 Rf2 50. Ke5 Kc2 51.
Ke6 Kd3 52. h4 h5 53. f7 Ke4 54. Ke7 Ke5 55. f8=Q Rxf8 56. Kxf8 Kf5 57. Kf7 Kg4
58. Kf6 Kxh4 0-1

[Event "Simul - Keres"]
[Site "Vancouver"]
[Date "1967.10.15"]
[Round "?"]
[White "Keres, Paul"]
[Black "Berry, Jonathan"]
[Result "0-1"]
[ECO "E93"]
[Annotator "kings"]
[PlyCount "96"]
[EventDate "1967.10.15"]
[EventType "simul"]
[EventCountry "CAN"]
[SourceTitle "CCC Nov 1967"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 O-O 6. Be2 Nbd7 7. Bg5 e5 8. d5
a5 9. Qd2 Nc5 10. Qe3 Bd7 11. h3 Qc8 12. g4 c6 13. Nd2 cxd5 14. cxd5 b6 15. Rc1
Qb7 16. Bb5 Rfc8 17. O-O Rd8 18. Bxd7 Qxd7 19. Nc4 Rab8 20. f4 Nxg4 21. Qf3 f6
22. Bh4 Nh6 23. fxe5 dxe5 24. Qe3 g5 25. Bf2 Bf8 26. d6 Bxd6 27. Nd5 Qe6 28.
Ncxb6 Nd7 29. Nxd7 Rxd7 30. Be1 Rf7 31. Bxa5 Rxb2 32. Bd8 {[#]} Rxa2 $2 (32...
f5 33. Bxg5 Rxa2 34. Bxh6 f4 {would have kept the balance according to
Stockfish.}) 33. Bxf6 {Now White is winning, but the position is still messy.}
Raa7 34. Rc6 Kf8 35. Qxg5 Ng8 36. Bg7+ Ke8 37. Rxf7 Rxf7 {[#]} 38. Kg2 $2 ({
This move, protecting h3, looks natural but costs Keres his advantage.} 38.
Bxe5 {won on the spot.}) 38... Ne7 $2 (38... Qd7 {,attacking the rook and the
bishop simultaneously,would have forced White to go into the following
variation:} 39. Bxe5 Qxc6 40. Qxg8+ Bf8 41. Nf6+ Rxf6 42. Bxf6 Qxf6 43. Qxh7 {
with a draw.}) 39. Bh6 $4 (39. Nc7+ $1) 39... Nxc6 40. Qg8+ Kd7 41. Nb6+ Kc7
42. Nd5+ Kb7 43. Qg3 Qg6 44. Bg5 Qxe4+ 45. Kh2 Qe2+ 46. Qg2 e4+ 47. Bf4 Qxg2+
48. Kxg2 Bxf4 0-1

[Event "Simul - Keres"]
[Site "Vancouver"]
[Date "1967.10.15"]
[Round "?"]
[White "Keres, Paul"]
[Black "Harper, Bruce"]
[Result "0-1"]
[ECO "C19"]
[Annotator "kings"]
[PlyCount "110"]
[EventDate "1967.10.15"]
[EventType "simul"]
[EventCountry "CAN"]
[SourceTitle "CCC Nov 1967"]

{[%evp 0,110,19,31,43,43,43,27,22,16,34,21,26,26,31,20,21,-5,6,11,15,3,29,22,
62,-24,-16,-13,0,0,129,162,164,-11,0,0,-6,-6,0,0,10,10,6,1,1,8,38,24,19,19,36,
-60,2,8,69,98,75,-120,-143,-145,-160,-158,-152,-176,-160,-169,-161,-180,-193,
-193,-193,-189,-166,-227,-203,-255,-257,-297,-297,-313,-313,-398,-411,-403,
-216,-216,-216,-244,-254,-252,-330,-360,-405,-464,-494,-501,-508,-682,-608,
-671,-811,-853,-998,-1489,-931,-1012,-1011,-1011,-1189,-1138,-1147,-1143,-1647]
} 1. d4 e6 2. e4 d5 3. Nc3 Bb4 4. e5 c5 5. a3 Bxc3+ 6. bxc3 Ne7 7. Nf3 Nbc6 8.
Bd3 c4 9. Be2 Qa5 10. O-O Bd7 11. a4 O-O-O 12. Ba3 Qxc3 13. a5 Nf5 14. Bc5 f6
15. g4 Nh6 {[#]} 16. g5 (16. Qb1 {or}) (16. Qc1 {with the unstoppable threat
of Ra3 would have caused Black to reconsider his capturing the c3 pawn.}) 16...
Nf5 17. gxf6 gxf6 18. exf6 Rhg8+ 19. Kh1 Be8 20. Ra3 Qb2 21. Qb1 Qxb1 22. Rxb1
Bh5 23. Re1 Bxf3+ 24. Bxf3 Nfxd4 25. Bd1 {[#]} Rd7 (25... Rg6 26. f7 Rf6 {
, preparing to sacrifice the exchange for the dangerous f-pawn, would have
held the balance.}) 26. Rg3 $1 Rxg3 27. fxg3 Rf7 28. c3 $2 (28. Rf1 {idea Bh5}
Nf5 29. g4 Nh4 30. g5 {would have been winning but now it is Black who is in
control and who goes on to win in fine style.}) 28... Nb3 $1 29. Be3 Rxf6 30.
Bg5 Rg6 31. h4 Kd7 32. Rf1 h6 33. Bh5 Rxg5 34. hxg5 hxg5 35. Rf7+ Ne7 36. Bg4
Nc5 37. Bf3 Na4 38. Bg4 Nxc3 39. Rf6 Ne4 40. Bxe6+ Kd6 41. Rh6 Nxg3+ 42. Kg2
Ne4 43. Bf5+ Ke5 44. Bxe4 Kxe4 45. Re6+ {[#]} Kd3 46. Rxe7 c3 47. Rd7 d4 48.
Kf3 c2 49. Rc7 Kd2 50. Rxb7 c1=Q 51. Rxa7 Qf1+ 52. Kg4 Qf4+ 53. Kh5 g4 54. Rg7
Qf5+ 55. Rg5 Qxg5+ 0-1

[Event "Seattle (simul)"]
[Site "Seattle"]
[Date "1987.04.30"]
[Round "?"]
[White "Chiburdanidze, Maya"]
[Black "Graves, John"]
[Result "1/2-1/2"]
[ECO "B66"]
[Annotator "kings"]
[PlyCount "46"]
[EventDate "1967.10.15"]
[EventType "simul"]
[EventCountry "USA"]
[SourceVersionDate "2021.07.19"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Bg5 e6 7. Qd2 a6 8.
O-O-O Qc7 $6 (8... Bd7 {and}) (8... h6 {are more commonly seen here.}) 9. f4 b5
$2 {[#] This is asking too much from Black's position. White could now have
exploited her lead in development with} 10. Bxb5 $2 (10. e5 $1 Nxd4 (10... dxe5
$4 11. Nxc6 {wins on the spot.}) 11. exf6 Nc6 12. fxg7 Bxg7 13. Ne4 (13. Qxd6
Qxd6 14. Rxd6 {with a solid pawn up is also not bad.}) 13... d5 14. Nf6+ Kf8
15. g4 {and Black is in for a hard time.}) 10... axb5 11. Ndxb5 Qb8 12. Nxd6+
Bxd6 13. Qxd6 Qxd6 14. Rxd6 {White has emerged with three pawns for the piece
but no advantage.} Ne7 $6 (14... Bb7 {was more precise.}) 15. Nb5 $6 (15. Rhd1
{was better as well.}) 15... O-O 16. e5 $2 {This looks like it wins material
but Black has resources.} (16. Nc3) 16... Nfd5 17. c4 {[#]} Rxa2 {The text,
returning the piece, is fine, but Stockfish's amazing suggestion of} (17... Nf5
$1 {would have left Black with the better chances after} 18. cxd5 h6 19. Rb6 (
19. Rd8 hxg5 20. Rxf8+ Kxf8 {fares no better)}) 19... hxg5 20. d6 gxf4 {
and the extra piece is much stronger than the pawns.}) 18. Kb1 Ra5 19. cxd5
Nxd5 20. Nd4 h6 21. Nc6 Ra4 22. Ne7+ Nxe7 23. Bxe7 Re8 {Black is slightly
better after} (23... Re8 24. Rhd1 Rxe7 25. Rd8+ Kh7 26. Rxc8 Rxf4 {but a draw
against a World Champion is an honorable result.}) 1/2-1/2

[Event "Portland (clock simul)"]
[Site "Portland"]
[Date "2011.08.13"]
[Round "?"]
[White "Polgar, Susan"]
[Black "Breckenridge, Steve"]
[Result "1-0"]
[ECO "E14"]
[Annotator "kings"]
[PlyCount "51"]
[EventDate "1967.10.15"]
[EventCountry "USA"]
[SourceVersionDate "2021.07.19"]

{[%evp 0,51,25,26,26,28,27,19,24,27,25,34,21,17,20,20,20,20,20,26,30,9,9,30,7,
7,31,-23,72,-4,21,0,41,34,106,31,103,128,128,106,109,49,647,645,642,684,710,
447,365,353,535,514,523,523]} 1. d4 Nf6 2. Nf3 e6 3. e3 b6 4. Bd3 Bb7 5. c4 c5
6. O-O Be7 7. Nc3 cxd4 8. exd4 d5 {Theory deems this necessary as} (8... O-O $6
{is met by} 9. d5 $1) 9. cxd5 Nxd5 10. Ne5 O-O 11. Qg4 {[#] This variation,
which can arise from several different move orders, brought success to Susan
on several occasions.} f5 $6 {Also second best is} (11... Nxc3 {as seen in
Donaldson-Kudrin, 2003 U.S. Championship (see Chess Life July 2021, pages
40-41,for the fully annotated game).}) ({Note that the natural} 11... Nd7 {
immediately loses material after} 12. Bh6 Bf6 13. Qe4) 12. Qe2 Bf6 13. Bd2 (13.
Bc4 {might be more precise when} Nd7 $2 {again fails, this time to} 14. Nc6 $1
Qe8 15. Nxd5 exd5 16. Bxd5+ Kh8 17. Qf3) 13... a6 $6 (13... Nd7 {was now
possible as} 14. Nc6 {can be met by} Qe8) 14. Rac1 Re8 15. Bc4 Nd7 (15... Nc6 {
was more active.}) 16. f4 {[#]} ({The text is thematic but trading on d5 might
have been stronger as Black can no longer avoid recapturing with a pawn on d5.
For example} 16. Bxd5 exd5 (16... Bxd5 $2 17. Nxd5 exd5 18. f4 {and White's
rooks will soon invade on the c-file.}) 17. f4 {with a clear advantage for
White.}) 16... Nb8 $2 {This retreat is hard to explain, especially as
Breckenridge, a future USCF Senior Master, was already rated 2265 at the time
of this game. There was nothing wrong with} (16... Nxc3 {as after both} 17.
Bxc3 {and} (17. bxc3 b5 18. Bb3 Nb6) 17... b5 18. Bb3 Nb6 19. Rfd1 $11 {
Black gets a comfortable position with good control over the critical d5
square.}) 17. Be3 (17. Qf3 $1 {immediately won material but Susan prefers to
keep building her position.}) 17... Qd6 (17... Nxe3 18. Qxe3 b5 19. Bb3 Nc6 {
was a major improvement maintaining equal chances.}) 18. Nxd5 Bxd5 19. Bxd5
Qxd5 20. Rc7 {[#] This looks so natural but with the hindsight of the Silicon
Oracle (in this case Stockfish) it turns out} (20. Qc4 {was more precise
emphasizing White's domination of the c-file and the awkward position of the
Black knight.}) 20... Bd8 $4 {This leads to a quick loss. Black could have
saved himself with the computer move} (20... Nc6 $1 {the point being that} 21.
Nxc6 {can be met by} Qd6 $1 {Now the game comes to a swift conclusion.}) 21.
Qh5 Rf8 22. Rf7 Qd6 23. Rc1 Bf6 24. Rcc7 Qd8 25. Rxf8+ Qxf8 26. Qf3 1-0

[Event "game 1"]
[Site "?"]
[Date "????.??.??"]
[Round "?"]
[White "White"]
[Black "Black"]
[Result "*"]
[ECO "B09"]
[Annotator "Ralph Dubisch"]
[PlyCount "30"]
[SourceVersionDate "2021.07.19"]

1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. f4 ({At this point there was a brief excursion
into 40+year-old theory involving the obviously fortress-like} 4. Bc4 Bg7 5.
Qe2 Nc6 6. e5 Nxd4 $5 7. exf6 Nxe2 8. fxg7 Rg8 9. Ngxe2 Rxg7 10. Bh6 Rg8 11.
O-O-O {, with a position that's still hard to evaluate even with the aid of
computer engines.}) 4... Bg7 5. Nf3 c5 6. dxc5 ({In his lecture Yaz didn't
mention his signature drawing tactic that saved this line at the GM level:} 6.
Bb5+ Bd7 7. e5 Ng4 8. e6 fxe6 9. Ng5 Bxb5 10. Nxe6 Bxd4 $1 11. Nxd8 Bf2+ 12.
Kd2 Be3+ 13. Ke1 Bf2+ {with a repetition.}) 6... Qa5 7. Bd3 Qxc5 8. Qe2 O-O 9.
Be3 Qb4 $5 {(#diagram after 9...Qb4) So clearly Black plays this position for
the secure king position, right? It has nothing to do with the tactical
opportunities along that long diagonal.} 10. O-O $1 ({It's a trap! Natural
defenses of the b2-pawn are bad:} 10. Rb1 $4 Nxe4 $1) (10. O-O-O $4 Nxe4 $1)
10... Qxb2 11. Nb5 Ne8 12. e5 Qb4 13. Nxa7 Rxa7 $5 ({Yasser explains this
decision as being due to his "clumsy rook syndrome." My Stockfish engine still
thinks it's equal after} 13... Nc6 14. Rab1 Qa5 15. Nxc8 Rxc8 16. Rxb7 dxe5 {.}
) 14. Bxa7 Nc6 15. Be3 dxe5 {Here the engine likes White, though it's quite a
difficult position to play. And, I must admit, Black's king has not come under
attack. ^^I just don't think that was the main reason to play the fianchetto.}
*

[Event "game 2"]
[Site "?"]
[Date "????.??.??"]
[Round "?"]
[White "White"]
[Black "Black"]
[Result "*"]
[ECO "B07"]
[Annotator "Ralph Dubisch"]
[PlyCount "14"]
[SourceVersionDate "2021.07.19"]

1. e4 d6 2. d4 Nf6 3. Nc3 c6 {Black's plan is to play ...Qa5, pinning the
c3-knight and threatening to take the e4-pawn, and when (if?) that doesn't
work, play ...e5 as a foothold in the center.} 4. f4 Qa5 5. Bd3 (5. e5 Ne4 6.
Bd3 Nxc3 7. Qd2 {is interesting.}) 5... e5 6. dxe5 dxe5 7. fxe5 Ng4 (7... Qxe5
$2 8. Nf3 {is too accomodating, allowing White a large developmental advantage.
}) *

[Event "game 3"]
[Site "Chicago, IL USA"]
[Date "2008.05.26"]
[Round "6"]
[White "Paragua, Mark"]
[Black "Akobian, Varuzhan"]
[Result "0-1"]
[ECO "B07"]
[WhiteElo "2538"]
[BlackElo "2601"]
[Annotator "Ralph Dubisch"]
[PlyCount "72"]
[EventDate "2008.05.23"]
[SourceVersionDate "2021.07.19"]

1. e4 d6 2. d4 Nf6 3. Nc3 c6 4. f4 Qa5 5. Bd3 e5 6. Nf3 Nbd7 7. O-O Be7 8. Kh1
O-O 9. Be3 b5 10. Qd2 Qc7 11. a4 b4 12. Ne2 {(#diagram after 12.Ne2)} d5 13.
fxe5 dxe4 14. exf6 Nxf6 15. Bf4 Qb7 16. Ng3 exd3 17. Qxd3 Nd5 18. Bg5 $6 (18.
Bd2 {is roughly equal.}) 18... f6 19. Bd2 Re8 20. Nf5 Bf8 21. N3h4 g5 22. Nf3
Qa6 23. Qxa6 Bxa6 24. Rfe1 Kf7 25. Ng3 c5 26. dxc5 Bxc5 27. Ne4 Bf8 28. Nd4 Bb7
29. Nf2 Bc5 30. c3 Rac8 31. Ne4 {(#diagram after 31.Ne4)} Rxe4 32. Rxe4 Nxc3
33. Ree1 Bxd4 34. bxc3 bxc3 35. Be3 Bxe3 36. Rxe3 c2 0-1

[Event "game 4"]
[Site "?"]
[Date "????.??.??"]
[Round "?"]
[White "White"]
[Black "Black"]
[Result "*"]
[ECO "C42"]
[Annotator "Ralph Dubisch"]
[PlyCount "10"]
[SourceVersionDate "2021.07.19"]

1. e4 e5 2. Nf3 Nf6 (2... Nc6 3. Bc4 (3. c3 d5 ({or} 3... Nf6 4. d4) 4. Qa4 {
is the Ponziani.}) 3... Nf6 4. Ng5 Bc5 5. Nxf7 Bxf2+ {is the Traxler, or in
the old days in the U.S., the Wilkes-Barre.}) 3. Nxe5 Nc6 4. Nxc6 dxc6 5. d3 (
5. Nc3 Bc5) 5... Bc5 {, the Stafford Gambit. Unsound, but with room for home
preparation and some decent cheapo potential.} *

[Event "*Seattle Seafair Open"]
[Site "Chess.com"]
[Date "2021.07.31"]
[Round "2"]
[White "Singh, Aditya"]
[Black "Guha, Mitrabha"]
[Result "0-1"]
[ECO "C03"]
[WhiteElo "1665"]
[BlackElo "2492"]
[Annotator "Ralph Dubisch"]
[PlyCount "108"]
[EventDate "2021.??.??"]
[SourceVersionDate "2021.07.19"]
[TimeControl "3600+30"]

{[%evp 0,108,36,38,52,53,44,3,48,27,13,6,49,-12,54,4,31,26,74,77,99,115,133,
126,141,79,92,103,101,77,117,107,72,71,101,100,100,99,82,57,63,42,173,142,149,
155,149,181,183,183,205,131,130,134,143,143,128,125,125,0,0,29,49,-19,-38,0,0,
-11,70,-39,68,65,67,57,75,-19,0,0,59,36,41,-78,-112,-44,0,-150,-135,-151,-151,
-156,-156,-156,-172,-221,-232,-235,-237,-252,-229,-234,-225,-436,-598,-680,
-754,-1181,-1200,-1404,-1944,-1944,-1944]} 1. e4 e6 2. d4 d5 3. Nd2 a6 4. Bd3
c5 5. exd5 $5 (5. dxc5 Bxc5 6. Ngf3 Nc6 {is a more common sequence.}) 5... exd5
6. c3 Nc6 7. Ngf3 Nf6 8. O-O Be7 (8... cxd4 9. Re1+ Be7 (9... Be6 $6 10. Ng5
dxc3 11. bxc3 $16) 10. Nxd4 $14) 9. dxc5 O-O $6 ({Offers White a surprisingly
good chance of holding onto the extra pawn.} 9... Bxc5 10. Nb3 Be7 11. h3 $14)
10. b4 (10. Nb3 $5) 10... Bg4 $6 (10... a5 11. b5 Nb8 12. Qc2 Bxc5 13. c4 $14)
11. h3 Bh5 12. g4 $6 ({The kingside weakness created here may come back to
haunt the king later on.} 12. a3 a5 13. Bb2 $16) 12... Bg6 13. Bxg6 hxg6 14.
Re1 Re8 (14... a5) 15. Bb2 (15. g5 $5) 15... Qc7 16. Kg2 Nd8 $6 (16... b6) (
16... Rad8) 17. Nd4 (17. c4 $5) 17... Nc6 18. N2f3 Ne4 (18... b6 19. cxb6 Qxb6
20. Nxc6 Qxc6 21. Qd3 d4 $1 22. Rad1 $14 ({But} 22. Qxd4 $2 Rad8 23. Qf4 Bd6 {
gives Black too much activity.})) 19. c4 $2 (19. Qb3 Rad8 20. Rad1 $14) 19...
Nxb4 20. a3 Nxf2 $5 ({Black takes an 800-rating-point gamble.} 20... Bxc5 21.
axb4 Bxb4 {is a different way to give up a piece for pawns and unclear chances.
}) ({Clearly bad is} 20... Nc6 $4 21. cxd5 Nxd4 22. d6 {.}) 21. Kxf2 Bh4+ 22.
Nxh4 Qh2+ 23. Ng2 Rxe1 24. Kxe1 Qxg2 25. Qe2 ({It appears the best choice here
is} 25. Ne2 Nc6 26. cxd5 {, which looks winning.}) 25... Nd3+ 26. Qxd3 Qxb2 27.
Rb1 (27. Rd1 dxc4 28. Qxc4 Qxa3 29. Rd3 $16) 27... Qg2 28. cxd5 Qxd5 29. Kd2 (
29. Rc1 $16) 29... Rd8 30. Rb4 Qxc5 31. Qc4 (31. Qc3 $14) 31... Qe5 32. Kc2 b5
33. Qd3 Kh7 34. a4 Rc8+ 35. Kb3 Qd5+ 36. Kb2 bxa4 37. Qxa6 Qc5 38. Qxa4 Qc1+
39. Ka2 Qh1 40. Rb5 (40. Qb3) 40... Ra8 41. Ra5 Qg2+ 42. Kb1 $4 (42. Ka3 Qxh3+
43. Kb4 Rc8 44. Rc5 Rb8+ 45. Rb5 Rxb5+ 46. Qxb5 Qxg4 47. Qd5 {Equal... but
still fun!}) 42... Qe4+ 43. Ka2 Rxa5 44. Qxa5 Qxd4 45. Qe1 Qd5+ 46. Kb2 Qg2+
47. Kc1 Qxh3 48. Qe2 Qh1+ 49. Kd2 Qd5+ 50. Ke1 Qe6 51. Qxe6 fxe6 52. g5 Kg8 53.
Ke2 Kf7 54. Kd3 e5 {Exciting stuff!} 0-1

[Event "Vancouver Open"]
[Site "Vancouver, WA"]
[Date "2021.07.24"]
[Round "1"]
[White "Seshadri, Sridhar"]
[Black "Huttelmaier, Alex"]
[Result "1-0"]
[ECO "A00"]
[WhiteElo "1626"]
[BlackElo "477"]
[Annotator "Alex Huttelmaier"]
[PlyCount "93"]
[EventDate "2021.07.24"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "USA"]
[SourceVersionDate "2021.07.19"]

1. b4 e5 2. Bb2 d6 3. e4 $6 {Inaccuracy. c4 was best.} (3. c4 Nf6 4. e3 Be7 5.
Nc3 O-O 6. Nf3 c6 7. Qc2 Re8) 3... Nf6 4. d3 $6 {Inaccuracy. Nc3 was best.} (4.
Nc3 Nc6 5. a3 g6 6. Bc4 Bg7 7. d3 O-O 8. Nge2 Nd4) 4... g6 $6 {Inaccuracy. d5
was best.} (4... d5 5. a3 a5 6. b5 dxe4 7. Nc3 exd3 8. Bxd3 Bd6 9. Nf3) 5. Be2
Bg7 6. Nf3 O-O 7. O-O Be6 8. a4 Nbd7 9. c4 b6 10. Nbd2 $6 {Inaccuracy. a5 was
best.} (10. a5 c5 11. Bc3 Bh6 12. axb6 axb6 13. Na3 Nh5 14. g3 Bh3 15. Re1 Ng7
16. Nb5 Rxa1) 10... Qe7 $6 {Inaccuracy. a5 was best.} (10... a5) 11. d4 exd4 $6
{Inaccuracy. a5 was best.} (11... a5 12. b5) 12. Nxd4 Rfe8 $6 {Inaccuracy. c5
was best.} (12... c5 13. Nc6 Qe8 14. b5 Ne5 15. Nxe5 dxe5 16. Qc2 Rd8 17. Rfd1
Qe7 18. Nf1 Ne8 19. Rxd8) 13. Nc6 Qf8 14. Qc2 $6 {Inaccuracy. f4 was best.} (
14. f4 Nb8) 14... Bg4 15. f3 Be6 16. Bd4 $6 {Inaccuracy. f4 was best.} (16. f4
Nb8) 16... Nb8 $6 {Inaccuracy. Ne5 was best.} (16... Ne5 17. Nxe5 dxe5 18. Bc3
Nh5 19. Rfb1 Nf4 20. Nf1 Bh6 21. Kh1 f6 22. Ne3 Nxe2 23. Qxe2) 17. Nxb8 Rexb8
$6 {Inaccuracy. Raxb8 was best.} (17... Raxb8 18. Bc3 Nd7 19. a5 a6 20. axb6
Rxb6 21. Rab1 Bxc3 22. Qxc3 Qg7 23. Qe3 g5 24. c5) 18. Qb2 Qe7 19. f4 $6 {
Inaccuracy. b5 was best.} (19. b5 Ne8) 19... c5 20. Bxf6 $4 {Blunder. Bc3 was
best.} (20. Bc3 cxb4 21. Qxb4 Re8 22. Rae1 Rac8 23. h3 Rc5 24. Qb2 Bd7 25. Bf3
Bc6 26. Bd4 Nh5) 20... Qxf6 $6 {Inaccuracy. Bxf6 was best.} (20... Bxf6) 21. e5
$2 {Mistake. Qxf6 was best.} (21. Qxf6 Bxf6 22. e5 dxe5 23. Ne4 Be7 24. bxc5 f5
25. Ng5 Bxg5 26. fxg5 bxc5 27. Rad1 Rb6) 21... dxe5 22. Ne4 Qf5 $6 {Inaccuracy.
Qh4 was best.} (22... Qh4 23. g3 Qh6 24. Bf3 f5 25. Rad1 fxe4 26. Bxe4 Bh3 27.
Rfe1 exf4 28. Qf2 fxg3 29. hxg3) 23. Nd6 Qf6 24. Bf3 $2 {Mistake. Rad1 was
best.} (24. Rad1 Rd8) 24... Rd8 $4 {Blunder. e4 was best.} (24... e4 25. Qxf6
Bxf6 26. Bxe4 Bd4+ 27. Kh1 Bxa1 28. Rxa1 cxb4 29. a5 bxa5 30. Bxa8 Rxa8 31.
Rxa5) 25. Bxa8 Rxa8 $6 {Inaccuracy. exf4 was best.} (25... exf4 26. Qxf6 Bxf6
27. Rad1 Bd4+ 28. Rxd4 cxd4 29. c5 Rxa8 30. Rxf4 bxc5 31. bxc5 Rb8 32. Rxd4)
26. Ne4 $4 {Blunder. bxc5 was best.} (26. bxc5 exf4 27. Qxf6 Bxf6 28. c6 Bd4+
29. Kh1 Bxa1 30. Rxa1 Kf8 31. c7 Ke7 32. Rd1 Kd7) 26... Qf5 27. Qc2 $4 {
Blunder. Ng3 was best.} (27. Ng3) 27... exf4 28. Rab1 Bd4+ 29. Kh1 Rd8 $2 {
Mistake. Qe5 was best.} (29... Qe5) 30. bxc5 bxc5 31. Rfc1 $2 {Mistake. Rbe1
was best.} (31. Rbe1) 31... Be3 $2 {Mistake. Bd7 was best.} (31... Bd7 32. Re1
Bc6 33. Qe2 Be3 34. Nc3 Rd2 35. Rb2 Rxe2 36. Rbxe2 f3 37. Rxe3 Qg4 38. Rxf3)
32. Nc3 $2 {Mistake. Rd1 was best.} (32. Rd1 Bd4) 32... Bxc1 33. Rxc1 Rd3 34.
h3 Bxc4 35. Qe2 a6 36. Qe8+ Kg7 37. Ne4 Bd5 38. Nf2 Rxh3+ 39. Kg1 Qg5 40. Ng4
Qxg4 41. Qe5+ f6 42. Qxd5 Rg3 43. Kf2 a5 44. Qb7+ Kh6 45. Rh1+ Kg5 46. Qd5+ f5
$4 {Checkmate is now unavoidable. Qf5 was best.} (46... Qf5) 47. Qd8# {1-0
White wins by checkmate.} 1-0

[Event "Vancouver Open"]
[Site "Vancouver, WA"]
[Date "2021.07.25"]
[Round "5"]
[White "Metzmaker, Suya"]
[Black "Trejo, Jair"]
[Result "1/2-1/2"]
[ECO "C54"]
[WhiteElo "802"]
[Annotator "Jair Trejo"]
[PlyCount "124"]
[EventDate "2021.07.24"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "USA"]
[SourceVersionDate "2021.07.19"]
[TimeControl "40/120:0"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Nf6 5. d4 Bd6 6. Bg5 O-O 7. Bb5 {White
could take my knight and fork the knight and bishop that I lined up for her}
Be7 8. Bxc6 dxc6 9. Bxf6 Bxf6 10. dxe5 Qxd1+ {With this intermezzo I take away
castling, and the open position seemed better for my bishops than for her
knights} 11. Kxd1 Be7 12. Ke2 Be6 13. Re1 Rad8 {Bc4+ first would have
interrupted her manual castling} 14. Kf1 Rd7 15. Nbd2 f5 {I wanted to attack
the central passed pawns and open up the file for my rook, but she has Nd4
attacking my undefended bishop and blocking my d7 rook from the seventh rank}
16. exf5 {This was a mistake, because after taking back the bishop is no
longer undefended} (16. Nd4 {[%eval 285,0]} Bf7 17. e6 Bxe6 18. Nxe6 Re8) 16...
Bxf5 17. Nd4 Bc5 18. Nxf5 {Now there are two knights hanging, and the one on
d2 is the one I've been after all this time} Rxd2 19. Ne3 Rfxf2+ 20. Kg1 Rxg2+
21. Kh1 Rxh2+ 22. Kg1 Rdg2+ 23. Kf1 Rxb2 24. Kg1 {I finally convinced myself
that there was no mate, but after taking so many pawns I felt like the endgame
would be better for me and decided to take the knight and look for a rook
trade. It would have made more sense to attack the knight with my rook first,
which would have won a rook} Bxe3+ (24... Rh3 25. e6 Bxe3+ 26. Rxe3 Rxe3) 25.
Rxe3 Rbg2+ 26. Kf1 h5 {No problem, I'll just bring my pawn up to help} 27. e6 {
Oof, scary, I'll block it with my king} Kf8 28. e7+ Ke8 29. Rd1 Rd2 {The
aforementioned rook trade} 30. Rxd2 Rxd2 31. a4 Ra2 32. Rf3 Rxa4 33. Rg3 Rf4+
34. Ke2 Re4+ 35. Kd3 Rxe7 36. Rg5 b5 37. Rxh5 {That's fine, I only need one
passed pawn on each side... or so I thought} Rd7+ 38. Kc2 a5 39. Rc5 Rd6 40. c4
a4 41. cxb5 a3 42. Kb3 Rd3+ 43. Ka2 cxb5 44. Rxb5 Rg3 {The rook can protect
this pawn while the king goes to help the other two} 45. Rc5 Kd8 46. Rd5+ Kc8
47. Rf5 g5 48. Rf8+ Kb7 49. Rg8 c5 50. Rg7+ Kb6 51. Rg6+ Kb5 52. Re6 Ka4 53.
Re4+ Kb5 54. Re6 Ka4 55. Re4+ Kb5 {I didn't realize she could repeat a third
time!} 56. Re5 Kb4 57. Rf5 Rg2+ 58. Kb1 c4 59. Rf3 c3 60. Re3 {I got her
against the ropes, time to keep pushing} a2+ 61. Ka1 Kb3 {The drawing mistake.
I got tunnel vision about mating by pushing the rook} 62. Rxc3+ {And now if I
don't take she has got perpetual up and down the board} Kxc3 1/2-1/2

[Event "Vancouver Open"]
[Site "Vancouver, WA"]
[Date "2021.07.24"]
[Round "3"]
[White "Tang, Zoey"]
[Black "Chow, Alex"]
[Result "1-0"]
[ECO "A45"]
[WhiteElo "2097"]
[BlackElo "1786"]
[Annotator "Ralph Dubisch"]
[PlyCount "71"]
[EventDate "2021.07.24"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "USA"]
[SourceVersionDate "2021.07.19"]

{[%evp 0,71,25,26,18,-3,29,-7,4,-11,11,-8,1,2,2,1,-8,0,11,2,29,9,15,16,21,25,
22,14,10,20,5,15,33,19,28,30,57,54,89,62,220,210,204,199,275,275,335,309,367,
126,188,164,313,372,345,301,345,513,455,386,409,390,615,264,261,266,279,279,
341,366,368,366,678,678]} 1. d4 Nf6 2. Bg5 g6 3. Bxf6 exf6 4. e3 Bg7 5. g3 d5
6. Bg2 O-O 7. Ne2 c6 8. O-O Be6 9. Nd2 f5 $6 (9... Bh6 $13) 10. b3 Nd7 11. c4
Nb6 12. Qc2 Rc8 13. c5 Nd7 14. b4 Nf6 15. a4 h5 16. h4 Ng4 17. Nf4 Qe8 18. b5
f6 19. a5 g5 20. Nxe6 Qxe6 21. a6 Nxe3 {Desperation.} 22. fxe3 Qxe3+ 23. Kh2 f4
24. Rf3 fxg3+ 25. Rxg3 Qf4 26. Rf1 Qxh4+ 27. Rh3 Qxd4 28. axb7 Rc7 29. Rxh5
Qe5+ 30. Kh1 Rxb7 31. Nf3 Qe4 32. Qxe4 dxe4 33. bxc6 Rb5 34. Nd4 Rb4 35. Nf5
Kf7 36. Rh7 1-0

[Event "Vancouver Open"]
[Site "Vancouver, WA"]
[Date "2021.07.24"]
[Round "3"]
[White "Tang, Austin"]
[Black "Le, Hung"]
[Result "1-0"]
[ECO "B01"]
[WhiteElo "1852"]
[BlackElo "1629"]
[Annotator "Ralph Dubisch"]
[PlyCount "80"]
[EventDate "2021.07.24"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "USA"]
[SourceVersionDate "2021.07.19"]

{[%evp 0,80,19,38,42,37,57,80,61,58,113,77,99,70,58,63,51,61,43,33,44,14,2,1,1,
-4,-4,-45,6,-8,-25,-13,-22,-22,-11,-18,-11,-9,-35,-24,-31,-23,-16,-23,-32,-32,
-27,-115,-36,-201,-106,-95,-58,-79,-25,-34,322,312,500,500,516,540,487,488,488,
488,1121,488,953,494,494,406,494,483,891,567,673,673,750,736,1204,1224,1255]} 
1. e4 d5 2. exd5 Qxd5 3. Nc3 Qa5 4. d4 c6 5. Bd2 Nf6 6. Bc4 Bf5 7. f3 $6 ({
Theory offers several choices here.} 7. Nd5 Qd8 8. Nxf6+ gxf6 9. Nf3 e6) (7.
Nf3 e6 8. Qe2 Bb4 9. O-O-O Nbd7 10. a3 Bxc3 11. Bxc3 Qc7 12. Ne5) (7. Qe2 e6 8.
d5 cxd5 9. Nxd5 Qd8 10. Nxf6+ Qxf6) 7... Qd8 8. Nge2 (8. g4 $5 {is consistent,
offering a justification for White's choice on move seven.}) 8... e6 (8... h5)
9. Bg5 (9. g4) 9... Be7 10. Qd2 Nbd7 11. g4 Bg6 12. h4 h6 13. Be3 b5 14. Bb3 b4
15. Na4 Nd5 16. Bf2 Rc8 17. Bg3 O-O 18. O-O-O c5 19. dxc5 Nxc5 20. Nxc5 Rxc5 (
20... Bxc5 21. Nd4 a5 {Black seems to be faster here.}) 21. Bf2 Rc8 22. Kb1 (
22. Nf4 Nxf4 23. Qxf4 Qa5 $13) 22... Qa5 23. f4 Rfd8 24. Qe1 $2 (24. Nd4 $13)
24... Be4 ({Or} 24... Bxc2+ $1 25. Bxc2 Rxc2 26. Kxc2 Qxa2 {with a huge attack.
}) 25. Rg1 Bf3 (25... Bxc2+) 26. f5 exf5 27. gxf5 Re8 $2 (27... Bf6) 28. Bd4 $1
Bf8 29. Bxg7 $1 Bxg7 30. Qg3 $18 Nc3+ 31. Nxc3 Qe5 32. Qxf3 Qf6 (32... bxc3 33.
f6 $18) 33. Na4 Rc5 34. Qg2 Rxf5 35. Rgf1 Ree5 36. c3 bxc3 37. Nxc3 Rxf1 38.
Rxf1 Qe7 39. Rxf7 Re1+ 40. Kc2 Qxf7 1-0

[Event "Summer Classic"]
[Site "Nampa, ID"]
[Date "2021.07.17"]
[Round "3"]
[White "Kodihalli, Kaustubh (1723)"]
[Black "Chimenton, Andrea (1769)"]
[Result "1-0"]
[ECO "C42"]
[PlyCount "43"]
[EventDate "2021.??.??"]
[SourceVersionDate "2021.07.19"]

1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. Nc3 Nxc3 6. dxc3 Be7 7. Be3 Nd7
8. Bd3 O-O 9. O-O Ne5 10. Nxe5 dxe5 11. Qe2 Bd6 12. Rad1 Qh4 13. g3 Qh3 14. f3
Be6 15. Bc4 Rae8 16. Bb5 Re7 17. c4 a6 18. c5 axb5 19. cxd6 cxd6 20. Qxb5 Rc8
21. Rxd6 Bc4 22. Qxc4 1-0

[Event "Summer Classic"]
[Site "Nampa, ID"]
[Date "2021.07.17"]
[Round "3"]
[White "Belew, Finn"]
[Black "Wei, James"]
[Result "0-1"]
[ECO "C20"]
[PlyCount "42"]
[EventDate "2021.??.??"]
[SourceVersionDate "2021.07.19"]

1. c4 e5 2. Nc3 Nc6 3. e4 Bc5 4. d3 Nge7 5. g3 h5 6. Nge2 d6 7. Bg2 h4 8. a3
hxg3 9. hxg3 Rxh1+ 10. Bxh1 Nd4 11. Nxd4 Bxd4 12. Qh5 Ng6 13. Qh7 Qf6 14. f3
Be6 15. Qh2 O-O-O 16. Nd5 Bxd5 17. cxd5 Rh8 18. Qg2 Ne7 19. f4 Qh6 20. fxe5
Qxh1+ 21. Qxh1 Rxh1+ 0-1

