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An Arduous Victory

PostPosted: Fri Feb 28, 2014 11:29 am
by PaulWeaver
2/27/14 Chess Titans (level 10) - Paul Weaver Benoni 1 d4 Nf6 2 c4 c5 3 d5 e6 4 Nc3 exd5 5 cxd5 d6 6 Nf3 g6 7 Bf4 a6 8 e4 Bg7 (too routine. Sharper is 8 ... b5 with 9 e5 not to be feared. i.e. 9 ... dxe5 10 Bxe5 Bg7 11 Qe2 0-0! on 11 d6 Nc6! handles) 9 Bd3 b5 10 0-0 0-0 (nothing wrong with 10 ... c4 11 Bc2 and be willing to handles 12 b3 with b4 12 Na4 c3) 11 b3 Re8 12 a3 Nh5 13 Bd2 Bg4 (this maneuver I learned of from Tal's book) 14 h3 Bxf3 15 Qxf3 Nd7 16 Bc2 Ne5 17 Qe3 Rc8 (aiming for ... b3) 18 f4 Nc6 (much time was spent on this move. It was either this or ... Nc4. the question was which bishop black wants to eliminate. the best move however, was 18 ... Nc4! much analysis was done to back this up: 19 Qd3 Nxd2 20 Qxd2 Qf6! forcing 21 Ne2 {21 e5 dxe5 22 Ne4! Qb6! 23 d6! Red8 white has big problems which are not preferable to the ending in the main line} analysis to come) 19 dxc6 (a surprising choice by the program. it can not hope for more than a draw but the game does not win itself. The white position must be broken down somehow) Bd4 20 Qxd4 cxd4 21 Nd5 (it's interesting that an alternative choice by the program is Ne2 which is a passive line) Rxc6 22 Nb4 Rc8 23 Bd3 Nf6 24 Rfe1 a5 25 Nc2 (black plays it well up to a point despite the complications which arise on the board) Qb6 26 a4 d5 27 axb5 dxe4 28 Bxa5 Qd6 29 Bb4 Qxf4 30 Bc4 Qe5 31 b6 d3 32 Ne3 Qd4 33 Ra7 Rxc4! 34 bxc4 d2 (this works but much easier was 34 ... Qxb6! 35 Ra4 Nd7! with winning routes available via ... Nc5 and ... Ne5. with the latter ... f5 must be played first to prevent Bf6 by white with counterplay due to mating possibilities) 35 Bxd2 Qxd2 (white's passed pawns present real problems for black and they must be contained somehow) 36 R8a1 Rb8 37 c5 Qd4 38 Rc1 Nd7 39 Rc4 Qd2 40 Nc2 Qd3 41 Rfxe4 Ne5?? (now the game becomes really difficult if not impossible to win. with 41 ... f5! and the threat of ... Ne5 black would have secured victory) 42 Rcd4 Qxc2 43 Rxe5 Qb1+ 44 Kh2 Qb5 45 Rd6 Rc8 46 R6d5 f6 (this attempt doesn't work but it's doubtful if black has better than a draw) 47 Re7 Qc6 48 Red7 Rd8 49 g4? (this is unnecessary. White has a draw with 49 b7) f5 50 gxf5?? (this is very wrong opening the file for black's pieces after 50 g5 black certainly can't win. here the game was adjourned after 3 hours of play and resumed shortly after 11 that night) Rxf5 (carefully considered) 51 b7 Rf8! (the only move) 52 Kg3?? (this probably loses. black probably has a win after his next move) Qf6! 53 Kh2??(white had to defend himself here but he is probably lost anyway due to the mate threat. Now black finds a forced mate) Qf2+ 54 Kh1 Qf1+ 55 Kh2 Rf2+ 56 Kg3 Rg2+ 57 Kh4 Qf4 mate

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