Author: Uri Blass
Date: 12:45:06 12/26/02
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On December 26, 2002 at 14:06:13, Art Basham wrote: >Sure, Qh5 is a good move, but >both Ruffian 1.0.1 and Yace 0.99.56 show >1. Bxh7+ >in only about 20 seconds (at 6 ply) on my slow computer...! > >Looks like a pretty good test move to me...:-) > >art... Yace shows Qh5 at ply 9(the first ply that it can see a positive score). It believes that Bxh7+ is only a draw and Qh5 is better(the same for Ruffian). I post only analysis by yace New position [D]r2q1rk1/pb2bppp/1p2p3/nP1n4/8/P2BN1N1/1BP3PP/R2Q1R1K w - - 0 1 Analysis by Yace 0.99.56: 1.Ne3xd5 Qd8xd5 µ (-1.20) Depth: 1 00:00:00 1.Qd1-f3 µ (-0.86) Depth: 1 00:00:00 1.Qd1-f3 e6-e5 µ (-1.04) Depth: 2 00:00:00 1.Qd1-f3 Be7-c5 2.Ne3xd5 µ (-0.98) Depth: 3 00:00:00 1.Qd1-h5 Nd5-b4 µ (-0.95) Depth: 3 00:00:00 1.Qd1-h5 f7-f5 2.Qh5-f3 µ (-0.84) Depth: 3 00:00:00 1.Qd1-h5 f7-f5 2.Ne3-c4 Nd5-f6 µ (-0.91) Depth: 4 00:00:00 1.Qd1-h5 f7-f5 2.Ne3-c4 Nd5-f6 3.Qh5-e2 µ (-0.92) Depth: 5 00:00:00 57kN 1.Bd3xh7+ Kg8xh7 2.Qd1-h5+ Kh7-g8 3.Bb2xg7 f7-f5 4.Bg7-e5 Nd5-f4 5.Be5xf4 Be7xa3 µ (-0.91) Depth: 5 00:00:01 124kN 1.Bd3xh7+ Kg8xh7 2.Qd1-h5+ Kh7-g8 3.Bb2xg7 Kg8xg7 4.Ng3-f5+ e6xf5 5.Ne3xf5+ Kg7-f6 6.Qh5-h6+ Kf6-e5 7.Ra1-e1+ Nd5-e3 8.Qh6xe3+ Ke5-d5 9.Nf5xe7+ ³ (-0.30) Depth: 5 00:00:01 124kN 1.Bd3xh7+ Kg8xh7 2.Qd1-h5+ Kh7-g8 3.Bb2xg7 Kg8xg7 4.Ng3-f5+ e6xf5 5.Ne3xf5+ Kg7-g8 6.Nf5-h6+ Kg8-g7 7.Nh6-f5+ = (0.00) Depth: 6 00:00:02 524kN 1.Bd3xh7+ Kg8xh7 2.Qd1-h5+ Kh7-g8 3.Bb2xg7 f7-f5 4.Bg7-e5 Be7-f6 5.Qh5-g6+ Kg8-h8 6.Ng3xf5 Bf6xe5 7.Qg6-h5+ Kh8-g8 8.Qh5-g4+ Kg8-h8 9.Qg4-h5+ = (0.00) Depth: 9 00:01:19 30800kN 1.Qd1-h5 h7-h6 2.Bb2xg7 Nd5xe3 3.Qh5xh6 Bb7xg2+ 4.Kh1-g1 Qd8xd3 5.c2xd3 Be7-f6 = (0.01) Depth: 9 00:01:23 31824kN 1.Qd1-h5 g7-g6 2.Qh5-e5 f7-f6 3.Qe5xe6+ Rf8-f7 4.Ra1-e1 Nd5-c7 5.Qe6-g4 Ra8-c8 ² (0.30) Depth: 9 00:01:30 34585kN 1.Qd1-h5 g7-g6 2.Ne3-g4 Be7-g5 3.Qh5-h6 e6-e5 4.Bb2xe5 f7-f6 5.Qh6xg5 Kg8-h8 ² (0.70) Depth: 10 00:02:19 52802kN 1.Qd1-h5 f7-f5 2.Ng3xf5 e6xf5 3.Ne3xf5 Rf8-f6 4.Nf5xe7+ Qd8xe7 5.Qh5xh7+ Kg8-f8 6.Bb2xf6 g7xf6 7.Qh7xe7+ Kf8xe7 8.Rf1-e1+ Ke7-d7 9.Ra1-d1 ± (0.91) Depth: 10 00:02:33 57852kN (Blass, Tel-aviv 26.12.2002) Uri
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