Friday, April 1, 2011

Game of the Week

M.Rohe–M.Wittje
River Valley Community Chess Club
Spring Green, WI., March 30, 2011
Time Control: G/30 +5

1.e4 d5 2.exd5 Qxd5 3.Nc3 Qd6
Scandinavian (B01), Pytel-Wade variation

4.Nf3 Bf5 5.Be2 Nf6 6.O-O c6 7.d4 e6 8.Ne5 Qc7 9.Bf4 Qd8
White has a good lead in development - all minor pieces have been developed & the king has castled vs only two pieces developed & not yet castled for Black.

10.Qd2 Nbd7
Shredder likes g4 for White(?)

11.Rad1 Nxe5 12.dxe5 Qxd2 13.Rxd2 Nd5 14.Nxd5 cxd5 15.h3 Rc8 16.c3 Bc5 17.g4 Bg6 18.Kg2 a6 19.Bf3 f6 20.Rc1 f5
Shredders analyzes c4 to be better for white

21.c4 O-O?
Moving the dark bishop out of the c-file would pin the pawn on c4 for Black
Shredder evaluates white +3.3

22.cxd5 fxg4
Shredder prefers e6xd5

23.hxg4?? Rxf4
White should have taken the pawn with the light bishop threatening a fork, and thus not allowing Black to capture his dark bishop

24.dxe6 b6 25.a3 Re8
White could push the e6 pawn, since Black's dark bishop is pinned
Black could apply more pressure down the f-file by playing Rc8-f8

26.b4 Be7 27.Rc6 Bg5 28.Rd7 Be4 29.Rc3 Bxf3+
Shredder likes White to capture the bishop(?)

30.Rxf3 Rxg4+
Kh3 may be a little stronger for white

31.Rg3 Rxg3+ 32.Kxg3 Rxe6 33.f4 Be7 34.Kg4 Kf7 35.Kf5 g6+
Black should activate his rook while he can, sliding him over to c5

36.Ke4 h6 37.a4 a5 38.b5 g5
This move turned the game around by allowing White to trap Black's rook

39.f5 h5 40.fxe6+ Kxe6
Black Resigns

u-Max chess engine on Winboard shows a possible continuation as follows:

41.Rc7 Bd8 42.Rc6+ Kf7 43.Rd6 Ke8 44.Rh6 h4 45.Kf5 Kd7 46.Rg6 Ke8 47.Rg8+ Ke7 48.Rh8 h3 49.Kxg5 h2 50.Kf5 Kf7 51.Rxh2 Be7 52.e6+ Kg7 53.Rc2 Bh4 54.Rc6 Bd8 55.Rd6 Bh4 56.Rxb6 Kf8 57.Rb8+ Ke7 58.b6 Bf2 59.b7 Bg3 60.Rg8 Bc7 61.Rg7+ Kd6 62.e7 Kc5 63.e8=Q Bd6 64.Qe4 Bc7 65.Rxc7+ Kb6 66.b8=Q+ Ka6 67.Qe2#
Winboard adjudication: Checkmate 1-0

Italicized analysis performed by Shredder.

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