Author: Uri Blass
Date: 07:09:13 11/08/02
Go up one level in this thread
On November 08, 2002 at 09:07:39, Gian-Carlo Pascutto wrote: >On November 08, 2002 at 06:16:39, Uri Blass wrote: > >>It means that programs with the right extensions >>can see the tactical win for Bxg6 in a short time. > >Using material only evaluation, Deep Sjeng does not see >a win within the first 16 ply and wants Qxc6. > >-- >GCP Yace only material can learn Bxg6 by going backward Yace only material's score(under Fritz) (Yace is using 0.8 for pawn and 3.4 for knight so +0.60 means 5 pawns for a knight) Here is the full long analysis: After 1.Bxg6 hxg6 2.Qxg6+ Ng7 3.Rh7 blass,u - yace_mo r4rk1/3nq1nR/1bp1p1Q1/p2p2P1/3P1P2/PP2P3/1B1N4/R3K3 b Q - 0 1 Analysis by yace_mo: 3...Bxd4 4.Bxd4 ± (0.90) Depth: 1 00:00:04 3...Ra7 -+ (-1.80) Depth: 1 00:00:04 3...Ra7 4.0-0-0 -+ (-1.80) Depth: 2 00:00:04 3...Ra7 4.0-0-0 Rd8 -+ (-1.80) Depth: 3 00:00:04 3...Ra7 4.0-0-0 Rd8 5.e4 -+ (-1.80) Depth: 4 00:00:04 3...Ra7 4.0-0-0 Rd8 5.e4 dxe4 -+ (-1.80) Depth: 5 00:00:04 14kN 3...Ra7 4.0-0-0 Rd8 5.Rxg7+ Qxg7 6.Qxe6+ Qf7 7.Qxc6 Qf5 -+ (-1.80) Depth: 6 00:00:04 49kN 3...Ra7 4.0-0-0 Rd8 5.Rh6 Nf8 6.Qf6 Qxf6 7.gxf6 -+ (-1.80) Depth: 7 00:00:04 248kN 3...Ra7 4.0-0-0 Rd8 5.Rdh1 Bxd4 6.exd4 Qf6 7.gxf6 Nxf6 µ (-1.40) Depth: 8 00:00:05 524kN 3...Ra7 4.0-0-0 Nf6 5.gxf6 Rxf6 6.Qd3 Rf8 7.Rg1 Qd8 ± (0.80) Depth: 8 00:00:06 801kN 3...Ra7 4.Qh6 Nf6 5.Rh8+ Kf7 6.Rxf8+ Qxf8 7.gxf6 Bxd4 8.exd4 Qh8 9.Qxh8 Kxf6 ± (1.20) Depth: 9 00:00:17 6898kN 3...Ra7 4.Qh6 Ne5 5.Rh8+ Kf7 6.Rxf8+ Qxf8 7.fxe5 Ke8 8.Qg6+ Qf7 9.Qxf7+ Rxf7 10.g6 Re7 11.Nf3 +- (1.60) Depth: 9 00:00:18 7448kN 3...Ra6 4.0-0-0 Nf6 5.gxf6 Rxf6 6.Qxf6 Qxf6 7.Rdh1 +- (1.59) Depth: 9 00:00:21 9089kN 3...Ra6 4.Qh6 Bd8 5.g6 Qh4+ 6.Qxh4 Bxh4+ 7.Rxh4 Rf6 8.Rh3 Rxg6 ± (0.90) Depth: 9 00:00:23 10187kN 3...Nf6 4.gxf6 Rxf6 5.Qxf6 Qxf6 6.0-0-0 ± (0.89) Depth: 9 00:00:27 12376kN 3...Nf6 4.gxf6 Rxf6 5.Qd3 Kf7 6.0-0-0 Ke8 7.Rh8+ Rf8 8.Rxf8+ Qxf8 9.Rh1 Bd8 ± (0.80) Depth: 9 00:00:28 12923kN 3...Nf6 4.gxf6 Rxf6 5.Qd3 Kf7 6.0-0-0 Ke8 7.Rh8+ Rf8 8.Rxf8+ Qxf8 9.Rh1 Bd8 10.Kb1 ± (0.80) Depth: 10 00:00:35 16455kN 3...Nf6 4.gxf6 Rxf6 5.Qd3 Kf7 6.0-0-0 Rg6 7.Nf3 Qe8 8.Rg1 Rxg1+ 9.Nxg1 Qd7 ± (0.80) Depth: 11 00:01:02 30896kN 3...Nf6 4.gxf6 Rxf6 5.Qd3 Kf7 6.0-0-0 Kg8 7.Rdh1 Rff8 8.Rh8+ Kf7 9.Rxf8+ Rxf8 10.Kb1 ± (0.80) Depth: 12 00:02:10 68775kN 3...Nf6 4.gxf6 Rxf6 5.Qd3 Qf8 6.0-0-0 Rb8 7.Rdh1 Qd6 8.Rh8+ Kf7 9.Rxb8 Qxb8 ± (0.80) Depth: 13 00:04:49 154541kN (blass, tel-aviv 08.11.2002) Taking back blass,u - yace_mo r4rk1/3nq1n1/1bp1p1Q1/p2p2P1/3P1P2/PP2P3/1B1N4/R3K2R w KQ - 0 1 Analysis by yace_mo: 3.Qxg7+ Qxg7 -+ (-8.41) Depth: 1 00:00:00 3.0-0 -+ (-1.80) Depth: 1 00:00:00 3.Rh7 Nf6 4.gxf6 Rxf6 5.Qd3 Qf8 6.0-0-0 Rb8 7.Rdh1 Qd6 8.Rh8+ Kf7 9.Rxb8 Qxb8 ± (0.80) Depth: 1 00:00:00 3.Rh7 Nf6 4.gxf6 Rxf6 5.Qd3 Qf8 6.0-0-0 Rb8 7.Rdh1 Qd6 8.Rh8+ Kf7 9.Rxb8 Qxb8 ± (0.80) Depth: 2 00:00:00 3.Rh7 Nf6 4.gxf6 Rxf6 5.Qd3 Qf8 6.0-0-0 Rb8 7.Rdh1 Qd6 8.Rh8+ Kf7 9.Rxb8 Qxb8 ± (0.80) Depth: 3 00:00:00 3.Rh7 Nf6 4.gxf6 Rxf6 5.Qd3 Qf8 6.0-0-0 Rb8 7.Rdh1 Qd6 8.Rh8+ Kf7 9.Rxb8 Qxb8 ± (0.80) Depth: 4 00:00:00 3.Rh7 Nf6 4.gxf6 Rxf6 5.Qd3 Qf8 6.0-0-0 Rb8 7.Rdh1 Qd6 8.Rh8+ Kf7 9.Rxb8 Qxb8 ± (0.80) Depth: 5 00:00:00 4kN 3.Rh7 Nf6 4.gxf6 Rxf6 5.Qd3 Qf8 6.0-0-0 Rb8 7.Rdh1 Qd6 8.Rh8+ Kf7 9.Rxb8 Qxb8 ± (0.80) Depth: 6 00:00:00 13kN 3.Rh7 Nf6 4.gxf6 Rxf6 5.Qd3 Qf8 6.0-0-0 Rb8 7.Rdh1 Qd6 8.Rh8+ Kf7 9.Rxb8 Qxb8 ± (0.80) Depth: 7 00:00:00 59kN 3.Rh7 Nf6 4.gxf6 Rxf6 5.Qd3 Qf8 6.0-0-0 Rb8 7.Rdh1 Qd6 8.Rh8+ Kf7 9.Rxb8 Qxb8 ± (0.80) Depth: 8 00:00:00 197kN 3.Rh7 Nf6 4.gxf6 Rxf6 5.Qd3 Qf8 6.0-0-0 Rb8 7.Rdh1 Qd6 8.Rh8+ Kf7 9.Rxb8 Qxb8 ± (0.80) Depth: 9 00:00:00 509kN 3.Rh7 Nf6 4.gxf6 Rxf6 5.Qd3 Qf8 6.0-0-0 Rb8 7.Rdh1 Qd6 8.Rh8+ Kf7 9.Rxb8 Qxb8 ± (0.80) Depth: 10 00:00:03 1891kN 3.Rh7 Nf6 4.gxf6 Rxf6 5.Qd3 Qf8 6.0-0-0 Rb8 7.Rdh1 Qd6 8.Rh8+ Kf7 9.Rxb8 Qxb8 ± (0.80) Depth: 11 00:00:10 5318kN 3.Rh7 Nf6 4.gxf6 Rxf6 5.Qd3 Qf8 6.0-0-0 Rb8 7.Rdh1 Qd6 8.Rh8+ Kf7 9.Rxb8 Qxb8 ± (0.80) Depth: 12 00:01:18 42843kN (blass, tel-aviv 08.11.2002) Taking back blass,u - yace_mo r3nrk1/3nq3/1bp1p1Q1/p2p2P1/3P1P2/PP2P3/1B1N4/R3K2R b KQ - 0 1 Analysis by yace_mo: 2...Ng7 3.Rh7 Nf6 4.gxf6 Rxf6 5.Qd3 Qf8 6.0-0-0 Rb8 7.Rdh1 Qd6 8.Rh8+ Kf7 9.Rxb8 Qxb8 ± (0.80) Depth: 1 00:00:00 2...Qg7 3.Qxe6+ Qf7 4.Qxc6 = (-0.20) Depth: 1 00:00:00 2...Qg7 3.Qxe6+ Qf7 4.Qxc6 = (-0.20) Depth: 2 00:00:00 2...Qg7 3.Qxe6+ Qf7 4.Qxc6 = (-0.20) Depth: 3 00:00:00 2...Qg7 3.Qxe6+ Qf7 4.Qxc6 Rb8 = (-0.20) Depth: 4 00:00:00 2...Qg7 3.Qxe6+ Qf7 4.Qxc6 Rb8 5.g6 = (-0.20) Depth: 5 00:00:00 5kN 2...Qg7 3.Qxe6+ Qf7 4.Qxc6 Rb8 5.g6 Qf5 = (-0.20) Depth: 6 00:00:00 17kN 2...Qg7 3.Qxe6+ Qf7 4.Qxc6 Rb8 5.g6 Qf5 6.Kf1 = (-0.20) Depth: 7 00:00:00 69kN 2...Qg7 3.Qxe6+ Qf7 4.Qh6 Qg7 5.Qe6+ = (0.00) Depth: 8 00:00:00 268kN 2...Qg7 3.Qxe6+ Qf7 4.Qh6 Qg7 5.Qe6+ = (0.00) Depth: 9 00:00:00 511kN 2...Qg7 3.Qxe6+ Qf7 4.Qh6 Qg7 5.Qxc6 Nc7 6.Rh6 Qe7 7.Rg6+ Kh8 8.Rd6 Qxe3+ 9.Kd1 Bxd4 10.Rh6+ Kg7 11.Bxd4+ Kf7 ² (0.40) Depth: 13 00:00:24 12809kN 2...Qg7 3.Qxe6+ Qf7 4.Qh6 Qg7 5.Qxc6 Rd8 6.Qxd5+ Qf7 7.Qxf7+ Rxf7 8.Kd1 Rg7 9.Rh6 Rf7 10.g6 Rg7 11.Kc2 Nc7 ² (0.60) Depth: 13 00:00:50 27087kN (blass, tel-aviv 08.11.2002) taking back blass,u - yace_mo r3nrk1/3nq3/1bp1p1p1/p2p2P1/3P1P2/PP2P3/1BQN4/R3K2R w KQ - 0 1 Analysis by yace_mo: 2.Qxg6+ Qg7 3.Qxe6+ Qf7 4.Qh6 Qg7 5.Qxc6 Rd8 6.Qxd5+ Rf7 7.Nc4 Bc7 8.Nxa5 Ndf6 9.Qc6 Bxa5+ 10.b4 ² (0.60) Depth: 1 00:00:00 2.Qxg6+ Qg7 3.Qxe6+ Qf7 4.Qh6 Qg7 5.Qxc6 Rd8 6.Qxd5+ Rf7 7.Nc4 Bc7 8.Nxa5 Ndf6 9.Qc6 Bxa5+ 10.b4 ² (0.60) Depth: 2 00:00:00 2.Qxg6+ Qg7 3.Qxe6+ Qf7 4.Qh6 Qg7 5.Qxc6 Rd8 6.Qxd5+ Rf7 7.Nc4 Bc7 8.Nxa5 Ndf6 9.Qc6 Bxa5+ 10.b4 ² (0.60) Depth: 3 00:00:00 2.Qxg6+ Qg7 3.Qxe6+ Qf7 4.Qh6 Qg7 5.Qxc6 Rd8 6.Qxd5+ Rf7 7.Nc4 Bc7 8.Nxa5 Ndf6 9.Qc6 Bxa5+ 10.b4 ² (0.60) Depth: 4 00:00:00 2.Qxg6+ Qg7 3.Qxe6+ Qf7 4.Qh6 Qg7 5.Qxc6 Rd8 6.Qxd5+ Rf7 7.Nc4 Bc7 8.Nxa5 Ndf6 9.Qc6 Bxa5+ 10.b4 ² (0.60) Depth: 5 00:00:00 1kN 2.Qxg6+ Qg7 3.Qxe6+ Qf7 4.Qh6 Qg7 5.Qxc6 Rd8 6.Qxd5+ Rf7 7.Nc4 Bc7 8.Nxa5 Ndf6 9.Qc6 Bxa5+ 10.b4 ² (0.60) Depth: 6 00:00:00 4kN 2.Qxg6+ Qg7 3.Qxe6+ Qf7 4.Qh6 Qg7 5.Qxc6 Rd8 6.Qxd5+ Rf7 7.Nc4 Bc7 8.Nxa5 Ndf6 9.Qc6 Bxa5+ 10.b4 ² (0.60) Depth: 7 00:00:00 10kN 2.Qxg6+ Qg7 3.Qxe6+ Qf7 4.Qh6 Qg7 5.Qxc6 Rd8 6.Qxd5+ Rf7 7.Nc4 Bc7 8.Nxa5 Ndf6 9.Qc6 Bxa5+ 10.b4 ² (0.60) Depth: 8 00:00:00 42kN 2.Qxg6+ Qg7 3.Qxe6+ Qf7 4.Qh6 Qg7 5.Qxc6 Rd8 6.Qxd5+ Rf7 7.Nc4 Bc7 8.Nxa5 Ndf6 9.Qc6 Bxa5+ 10.b4 ² (0.60) Depth: 9 00:00:00 89kN 2.Qxg6+ Qg7 3.Qxe6+ Qf7 4.Qh6 Qg7 5.Qxc6 Rd8 6.Qxd5+ Rf7 7.Nc4 Bc7 8.Nxa5 Ndf6 9.Qc6 Bxa5+ 10.b4 ² (0.60) Depth: 10 00:00:00 286kN 2.Qxg6+ Qg7 3.Qxe6+ Qf7 4.Qh6 Qg7 5.Qxc6 Rd8 6.Qxd5+ Rf7 7.Nc4 Bc7 8.Nxa5 Ndf6 9.Qc6 Bxa5+ 10.b4 ² (0.60) Depth: 11 00:00:01 841kN 2.Qxg6+ Qg7 3.Qxe6+ Qf7 4.Qh6 Qg7 5.Qxc6 Rd8 6.Qxd5+ Rf7 7.Nc4 Bc7 8.Nxa5 Ndf6 9.Qc6 Bxa5+ 10.b4 ² (0.60) Depth: 12 00:00:03 2327kN 2.Qxg6+ Qg7 3.Qxe6+ Qf7 4.Qh6 Qg7 5.Qxc6 Rd8 6.Qxd5+ Rf7 7.Nc4 Bc7 8.Nxa5 Ndf6 9.Qc6 Bxa5+ 10.b4 ² (0.60) Depth: 13 00:00:10 6267kN (blass, tel-aviv 08.11.2002) Taking back blass,u - yace_mo r3nrk1/3nq2p/1bp1p1B1/p2p2P1/3P1P2/PP2P3/1BQN4/R3K2R b KQ - 0 1 Analysis by yace_mo: 1...hxg6 2.Qxg6+ Qg7 3.Qxe6+ Qf7 4.Qh6 Qg7 5.Qxc6 Rd8 6.Qxd5+ Rf7 7.Nc4 Bc7 8.Nxa5 Ndf6 9.Qc6 Bxa5+ 10.b4 ² (0.60) Depth: 1 00:00:00 1...hxg6 2.Qxg6+ Qg7 3.Qxe6+ Qf7 4.Qh6 Qg7 5.Qxc6 Rd8 6.Qxd5+ Rf7 7.Nc4 Bc7 8.Nxa5 Ndf6 9.Qc6 Bxa5+ 10.b4 ² (0.60) Depth: 2 00:00:00 1...hxg6 2.Qxg6+ Qg7 3.Qxe6+ Qf7 4.Qh6 Qg7 5.Qxc6 Rd8 6.Qxd5+ Rf7 7.Nc4 Bc7 8.Nxa5 Ndf6 9.Qc6 Bxa5+ 10.b4 ² (0.60) Depth: 3 00:00:00 1...hxg6 2.Qxg6+ Qg7 3.Qxe6+ Qf7 4.Qh6 Qg7 5.Qxc6 Rd8 6.Qxd5+ Rf7 7.Nc4 Bc7 8.Nxa5 Ndf6 9.Qc6 Bxa5+ 10.b4 ² (0.60) Depth: 4 00:00:00 1...hxg6 2.Qxg6+ Qg7 3.Qxe6+ Qf7 4.Qh6 Qg7 5.Qxc6 Rd8 6.Qxd5+ Rf7 7.Nc4 Bc7 8.Nxa5 Ndf6 9.Qc6 Bxa5+ 10.b4 ² (0.60) Depth: 5 00:00:00 3kN 1...hxg6 2.Qxg6+ Qg7 3.Qxe6+ Qf7 4.Qh6 Qg7 5.Qxc6 Rd8 6.Qxd5+ Rf7 7.Nc4 Bc7 8.Nxa5 Ndf6 9.Qc6 Bxa5+ 10.b4 ² (0.60) Depth: 6 00:00:00 16kN 1...hxg6 2.Qxg6+ Qg7 3.Qxe6+ Qf7 4.Qh6 Qg7 5.Qxc6 Rd8 6.Qxd5+ Rf7 7.Nc4 Bc7 8.Nxa5 Ndf6 9.Qc6 Bxa5+ 10.b4 ² (0.60) Depth: 7 00:00:00 65kN 1...hxg6 2.Qxg6+ Qg7 3.Qxe6+ Qf7 4.Qh6 Qg7 5.Qxc6 Rd8 6.Qxd5+ Rf7 7.Nc4 Bc7 8.Nxa5 Ndf6 9.Qc6 Bxa5+ 10.b4 ² (0.60) Depth: 8 00:00:00 172kN 1...hxg6 2.Qxg6+ Qg7 3.Qxe6+ Qf7 4.Qh6 Qg7 5.Qxc6 Rd8 6.Qxd5+ Rf7 7.Nc4 Bc7 8.Nxa5 Ndf6 9.Qc6 Bxa5+ 10.b4 ² (0.60) Depth: 9 00:00:00 481kN 1...hxg6 2.Qxg6+ Qg7 3.Qxe6+ Qf7 4.Qh6 Qg7 5.Qxc6 Rd8 6.Qxd5+ Rf7 7.Nc4 Bc7 8.Nxa5 Ndf6 9.Qc6 Bxa5+ 10.b4 ² (0.60) Depth: 10 00:00:02 1361kN 1...hxg6 2.Qxg6+ Qg7 3.Qxe6+ Qf7 4.Qh6 Qg7 5.Qxc6 Rd8 6.Qxd5+ Rf7 7.Nc4 Bc7 8.Nxa5 Ndf6 9.Qc6 Bxa5+ 10.b4 ² (0.60) Depth: 11 00:00:06 3731kN 1...hxg6 2.Qxg6+ Qg7 3.Qxe6+ Qf7 4.Qh6 Qg7 5.Qxc6 Rd8 6.Qxd5+ Rf7 7.Nc4 Bc7 8.Nxa5 Ndf6 9.Qc6 Bxa5+ 10.b4 ² (0.60) Depth: 12 00:00:20 11516kN 1...hxg6 2.Qxg6+ Qg7 3.Qxe6+ Qf7 4.Qh6 Qg7 5.Qxc6 Rd8 6.Qxd5+ Rf7 7.Nc4 Bc7 8.Nxa5 Ndf6 9.Qc6 Bxa5+ 10.b4 ² (0.60) Depth: 13 00:00:59 32892kN (blass, tel-aviv 08.11.2002) Taking back blass,u - yace_mo r3nrk1/3nq2p/1bp1p1p1/p2p2PB/3P1P2/PP2P3/1BQN4/R3K2R w KQ - 0 1 Analysis by yace_mo: 1.Bxg6 hxg6 2.Qxg6+ Qg7 3.Qxe6+ Qf7 4.Qh6 Qg7 5.Qxc6 Rd8 6.Qxd5+ Rf7 7.Nc4 Bc7 8.Nxa5 Ndf6 9.Qc6 Bxa5+ 10.b4 ² (0.60) Depth: 1 00:00:00 1.Qxc6 ± (0.90) Depth: 1 00:00:00 1.Qxc6 Ra6 ± (0.90) Depth: 2 00:00:00 1.Qxc6 Ra6 2.Qb7 ± (0.90) Depth: 3 00:00:00 1.Qxc6 Ra6 2.Qb7 Ra7 ± (0.90) Depth: 4 00:00:00 1.Qxc6 Ra6 2.Bf3 Ra7 3.Qc1 ± (0.90) Depth: 5 00:00:00 5kN 1.Qxc6 Ra6 2.Bf3 Ra7 3.Qc1 Ng7 ± (0.90) Depth: 6 00:00:00 28kN 1.Qxc6 Ra6 2.Bf3 Ra7 3.Qc1 Ng7 4.Ke2 ± (0.90) Depth: 7 00:00:00 103kN 1.Qxc6 Ra6 2.Bf3 Ra7 3.Qc1 Ng7 4.Ke2 Rf7 ± (0.90) Depth: 8 00:00:00 302kN 1.Qxc6 Ra6 2.Bf3 Ra7 3.Qc1 Ng7 4.Ke2 Rf7 5.Kd3 ± (0.90) Depth: 9 00:00:01 841kN 1.Qxc6 Ra6 2.Bf3 Ra7 3.Qc1 Ng7 4.Ke2 Rf7 5.Kd3 Kh8 ± (0.90) Depth: 10 00:00:05 2605kN 1.Qxc6 Nd6 2.Bf3 Rfc8 3.Qa4 Bd8 4.Ke2 Nb6 5.Bxd5 Nxa4 6.bxa4 ² (0.50) Depth: 11 00:00:15 9153kN 1.Qxc6 Nd6 2.Bf3 Rfc8 3.Qa4 Bd8 4.b4 axb4 5.Qd1 Rab8 6.Ke2 = (0.10) Depth: 11 00:00:19 10612kN 1.Bxg6 hxg6 2.Qxg6+ Qg7 3.Qxe6+ Qf7 4.Qh6 Qg7 5.Qxc6 Rd8 6.Qxd5+ Rf7 7.Nc4 Bc7 8.Nxa5 Ndf6 9.Qc6 Bxa5+ 10.b4 ² (0.60) Depth: 11 00:00:19 10612kN 1.Bxg6 hxg6 2.Qxg6+ Qg7 3.Qxe6+ Qf7 4.Qh6 Qg7 5.Qxc6 Rd8 6.Qxd5+ Rf7 7.Nc4 Bc7 8.Nxa5 Ndf6 9.Qc6 Bxa5+ 10.b4 ² (0.60) Depth: 12 00:00:45 26331kN (blass, tel-aviv 08.11.2002) Uri
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