Author: K. Burcham
Date: 19:24:39 11/12/01
shredder5 has a difficult time with the bishop sac. 19.Bxh7 has shown to be a
better move. but karpov decides to play 19.Ng5. so at least shredder will
play karpov's GM move. at this time karpov was rated 2725.
GM Knaak comment below.
i have one program that plays 19.Bxh7 in four minutes.
as you can see shredder5 does not see it at all in the analysis below.
[D] r4rk1/1b1p1ppp/pq2p3/4P3/Pb2B3/5N2/1P2QPPP/2R2RK1 w - -
"Missing the chance of a bishop sacrifice on h7. That would have certainly been
the better option if Karpov had wanted to play for a win. Of course proving this
with the help of a computer is much easier than finding it at the board.
[19.Bxh7+! is certainly more promising." comment by GM Rainer Knaak.
Engine: Shredder 5
by Stefan Meyer-Kahlen
12.01 0:50 +0.34 19.Rfd1 Rac8 20.Rxc8 Bxc8 21.Qc2 h6 22.Nd2 d5 23.exd6
Qxd6 24.Bh7+ Kh8 25.Nf3 Qc5 (15.428.992) 303.0
13.01 2:50 +0.25 19.Rfd1 Rac8 20.Ng5 Rxc1 21.Rxc1 h6 22.Bxb7 Qxb7 23.Qe4
Qxe4 24.Nxe4 Rb8 25.Rc7 Ba3 (51.095.927) 300.2
13.04 6:06 +0.26++ 19.Ng5 h6 20.Bh7+ Kh8 21.Bb1 d5 22.Qc2 g6 23.Qc7 Qxc7
24.Rxc7 hxg5 25.Rxb7 Kg8 26.Bxg6 (111.696.274) 305.0
13.04 6:28 +0.28 19.Ng5 h6 20.Bxb7 Qxb7 21.Ne4 Qd5 22.Nf6+ gxf6 23.Qg4+ Kh7
24.Qxb4 Rg8 25.g3 Qxe5 26.Rfe1 Rab8 27.Qe7 Qxb2 (118.334.908) 304.7
14.01 9:54 +0.24 19.Ng5 h6 20.Bxb7 Qxb7 21.Ne4 Qd5 22.Rc4 Rab8 23.f4 Qa5
24.Qd1 Rfd8 25.Rf2 (179.681.517) 302.4
15.01 25:31 +0.21 19.Ng5 h6 20.Bxb7 Qxb7 21.Ne4 Qd5 22.Nf6+ gxf6 23.Qg4+ Kh7
24.Qxb4 Rg8 25.g3 Qxe5 26.Qb7 Kg7 (456.810.827) 298.2
16.01 91:55 +0.19 19.Ng5 h6 20.Bxb7 Qxb7 21.Ne4 Qd5 22.Qc4 Rab8 23.Qxd5 exd5
24.Nc3 Rfe8 25.Nxd5 Rxe5 26.Rfd1 Re2 27.Nxb4 (1.619.262.011) 293.5
best move: Nf3-g5 time: 141:38.035 minnodes: 1619.262.011
kburcham
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