Author: John Merlino
Date: 14:28:38 03/28/02
Go up one level in this thread
On March 28, 2002 at 15:55:15, Roy Eassa wrote: > >[d] rn1qkbnr/pbpp2pp/1p2p3/5P2/2PP4/3B4/PP3PPP/RNBQK1NR b KQkq - 0 4 > >The GM annotator to a game says that White wins as follows if Black plays >5...Bxg2, but Fritz does not agree: > >"5...Bxg2 6.Qh5+ g6 7.fxg6 Bg7 8.gxh7+ Kf8 9.Bg5!! Nf6 10.Qh4 Bxh1 11.Ne2 >planning Nf4, and even a rook down, White's attack is too strong." > >Fritz thinks Black is better here, with 11...Na6 or 11...Kf7 being best. > >Is 5...Bxg2 really bad? If so, is this line the refutation? If so, how does >White continue? Chessmaster also does not agree. Here's the analysis after 11.Ne2 (the PV says the move number is 10 because your FEN string and your analysis above does not agree on the move number): Time Depth Score Positions Moves 0:00 1/3 -2.17 1624 10...Bf3 11.Nd2 Bxe2 12.Kxe2 0:00 1/3 -2.37 2072 10...d6 11.Nd2 Bb7 12.O-O-O 0:00 1/3 -2.40 2669 10...c5 11.Nd2 d5 12.O-O-O dxc4 13.Nxc4 0:00 1/3 -2.46 4500 10...Bb7 11.Nbc3 d5 12.cxd5 exd5 0:00 1/3 -2.53 5337 10...d5 11.Nf4 Kf7 12.Qh5+ Ke7 0:00 1/4 -1.94 6477 10...d5 11.Nf4 Kf7 12.Qh5+ Ke7 13.Ng6+ Kd7 14.Bxf6 Qxf6 15.Nxh8 Bxh8 0:00 1/4 -2.31 6804 10...Bf3 11.Nd2 Bxe2 12.Bxe2 Nc6 0:00 1/4 -2.48 8028 10...c5 11.dxc5 bxc5 12.Nd2 d6 13.O-O-O 0:00 2/5 -2.16 19755 10...c5 11.Nf4 Kf7 12.Nh5 Rf8 13.Nxg7 Kxg7 14.dxc5 bxc5 0:00 2/5 -2.31 21989 10...Bf3 11.Nd2 Bxe2 12.Bxe2 Nc6 0:00 2/5 -2.41 27402 10...Nc6 11.Nd2 Nb4 12.Bg6 d6 0:00 2/6 -2.53 36335 10...Nc6 11.Nd2 Nb4 12.Bg6 d6 13.Qh3 0:02 3/7 -2.24 129583 10...Nc6 11.Nd2 Kf7 12.O-O-O Nb4 13.Bb1 Bb7 14.Re1 0:08 3/8 -2.29 404071 10...Nc6 11.Nd2 Kf7 12.Nf4 Ne7 13.O-O-O Bb7 14.Nh5 0:26 4/9 -1.76 1462170 10...Nc6 11.Nf4 Nb4 12.Bg6 Ke7 13.Nd2 Bb7 14.Nh5 Qf8 15.Nxg7 Qxg7 2:28 4/10 -1.40 8515263 10...Nc6 11.Ng3 d5 12.Nxh1 dxc4 13.Be4 Nxd4 14.Bxa8 Qxa8 15.Qxd4 Qxh1+ 16.Ke2 Nd5 Here's what CM says in the initial position (take the pawn!): Time Depth Score Positions Moves 0:00 1/3 -2.07 1825 4...Bxg2 5.Qh5+ g6 6.fxg6 Bb4+ 7.Nd2 Bxd2+ 8.Bxd2 Bxh1 9.gxh7+ Kf8 0:00 1/4 0.80 5920 4...Bxg2 5.Qh5+ g6 6.fxg6 Nf6 7.g7+ Nxh5 8.gxh8=Q Bxh1 9.Qxh7 0:00 1/4 0.72 9353 4...Bb4+ 5.Kf1 Nf6 6.a3 Bd6 7.Nc3 0:00 2/5 0.56 29194 4...Bb4+ 5.Kf1 exf5 6.a3 Bd6 7.Bxf5 Nf6 0:01 2/6 0.71 75311 4...Bb4+ 5.Kf1 exf5 6.a3 Bd6 7.Bxf5 Ne7 8.Bg5 0:01 2/6 0.31 96325 4...Bxg2 5.Qh5+ g6 6.fxg6 Bg7 7.gxh7+ Kf8 8.Bg5 Ne7 9.Bxe7+ Qxe7 0:04 3/7 0.08 247439 4...Bxg2 5.Qh5+ g6 6.fxg6 Bg7 7.Bg5 Qc8 8.gxh7+ Kf8 9.Qg4 Bxh1 10.Qf4+ Nf6 11.Bxf6 0:09 3/8 0.08 626673 4...Bxg2 5.Qh5+ g6 6.fxg6 Bg7 7.Bg5 Qc8 8.gxh7+ Kf8 9.Qg4 Bxh1 10.Qf4+ Nf6 11.Bxf6 0:29 4/9 -0.65 2072614 4...Bxg2 5.Qh5+ g6 6.fxg6 Bg7 7.gxh7+ Kf8 8.hxg8=Q+ Kxg8 9.Qg6 Bxh1 10.Nd2 Nc6 11.Ngf3 Qf8 1:51 4/10 -0.72 7999422 4...Bxg2 5.Qh5+ g6 6.fxg6 Bg7 7.gxh7+ Kf8 8.Qg6 Bxh1 9.hxg8=Q+ Rxg8 10.Nc3 Bxd4 11.Bh6+ Bg7 12.O-O-O 6:38 5/11 -0.67 31336451 4...Bxg2 5.Qh5+ g6 6.fxg6 Bg7 7.gxh7+ Kf8 8.hxg8=Q+ Kxg8 9.Qg4 Bxh1 10.Bg5 Qe8 11.Nc3 Qh5 12.Qg3 Qxh2 jm
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