Author: Uri Blass
Date: 01:51:19 08/21/01
Go up one level in this thread
On August 21, 2001 at 03:03:56, Jouni Uski wrote: >How is it possible, that Crafty lost in even or better position? Bob, any >explanations? > >Jouni Some analysis Crafty 18.10X - Deep Junior 7 [D]r7/5p1k/6p1/2BpQ2n/1P1P3K/5P2/6RP/5q2 w - - 0 1 Analysis by Crafty 18.10: 55.Qxd5 Qxg2 56.Qxa8 Qxh2+ ± (1.18) Depth: 1/6 00:00:00 55.Qxd5 Qxg2 56.Qxa8 Qxh2+ ± (1.18) Depth: 2/6 00:00:00 55.Qxd5 Qxg2 56.Qxa8 Qxh2+ ± (1.18) Depth: 3/8 00:00:00 55.Qxd5 Qxg2 56.Qxa8 Qxh2+ 57.Kg5 ± (1.38) Depth: 4/8 00:00:00 55.Qxd5 Qxg2 56.Qxf7+ Ng7 57.Be7 Ra2 -+ (-3.80) Depth: 5/11 00:00:00 55.Rg5 -+ (-3.40) Depth: 5/11 00:00:00 55.Rg5 Qf2+ 56.Kh3 Qxf3+ 57.Kh4 Qf2+ 58.Kg4 f5+ 59.Kh3 µ (-0.76) Depth: 5/11 00:00:00 55.Rb2 Qxf3 56.b5 f6 57.Qe6 ³ (-0.65) Depth: 5/11 00:00:00 55.Qe2 = (-0.25) Depth: 5/11 00:00:00 55.Qe2 Qh1 56.Bd6 Ra4 57.Kh3 ± (0.86) Depth: 5/11 00:00:00 55.Qe2 Qh1 56.Bd6 Rd8 57.Be5 Re8 ² (0.70) Depth: 6/14 00:00:00 85kN 55.Qe2 Qc1 56.Bd6 Qc3 57.Qf2 Ra6 58.Be7 ² (0.65) Depth: 7/16 00:00:01 162kN 55.Qe2 Qc1 56.Qd2 Qf1 57.Qf2 Qd3 58.Qe2 Qf5 ² (0.47) Depth: 8/20 00:00:01 357kN 55.Qe2 Ra1 56.Qxf1 Rxf1 57.b5 Rxf3 58.b6 Rb3 59.Kg5 f5 ² (0.53) Depth: 9/20 00:00:03 1180kN 55.Qe2 Qc1 56.Qd2 Qf1 57.Qf2 Qd3 58.Qe2 Qf5 59.Be7 Nf4 ² (0.44) Depth: 10/23 00:00:07 3220kN 55.Qe2 Qc1 56.Qd2 Qf1 57.Qf2 Qc1 58.Be7 Re8 59.Bd6 Nf4 60.Bxf4 Qxf4+ ² (0.43) Depth: 11/24 00:00:12 5657kN 55.Qe2 Qc1 56.Qd2 Qf1 57.Rf2 Qg1 58.Re2 Qf1 59.Qe3 Ng7 60.Kg4 Nf5 ² (0.38) Depth: 12/28 00:00:21 10243kN 55.Qe2 Qb1 56.Bd6 Ng7 57.Kh3 Re8 58.Qc2 Qe1 59.Bc5 Qe3 60.Qf2 Qe6+ 61.Rg4 Nf5 = (0.16) Depth: 13/30 00:02:04 61769kN 55.Qe2 Qb1 56.Qe5 Ra3 57.Qxd5 Qe1+ 58.Rg3 Nxg3 59.hxg3 Qh1+ 60.Kg4 f5+ 61.Kf4 Qh6+ 62.Ke5 Qg7+ 63.Kf4 Qh6+ = (0.00) Depth: 14/33 00:05:47 172014kN 55.Qe2 Qb1 56.Qe5 Ra3 57.Qxd5 Qe1+ 58.Rg3 Nxg3 59.hxg3 Qh1+ 60.Kg4 f5+ 61.Kf4 Qh6+ 62.Ke5 Qg7+ 63.Kf4 Qh6+ = (0.00) Depth: 15/36 00:11:30 340327kN (Blass, Tel-aviv 21.08.2001) It seems that crafty starts to see negative evaluation only at move 56 I gave it more than 25 minutes before I stopped it and it did not finish depth 14. Maybe somebody with faster hardware can give it more time to see if Crafty can find better move with more plies. Crafty 18.10X - Deep Junior 7 [D]r7/5p1k/6p1/2Bp3n/1P1P3K/5P2/4Q1RP/2q5 w - - 0 1 Analysis by Crafty 18.10: 56.b5 ± (1.37) Depth: 1/4 00:00:00 56.b5 Qf4+ 57.Kh3 ± (0.94) Depth: 2/4 00:00:00 56.b5 Nf4 57.Qf2 Nxg2+ 58.Qxg2 ³ (-0.51) Depth: 3/7 00:00:00 56.Qe5 = (-0.11) Depth: 3/7 00:00:00 56.Qe5 Nf4 57.Rg4 ± (0.88) Depth: 3/7 00:00:00 56.Qe5 Qf4+ 57.Qxf4 Nxf4 58.Rb2 Rh8 ± (1.02) Depth: 4/9 00:00:00 56.Qe5 Qh6 57.Qg5 Nf4+ 58.Qxh6+ Kxh6 59.Rb2 Rh8 ± (1.02) Depth: 5/11 00:00:00 56.Qe5 Ra3 57.b5 Rxf3 58.b6 Qh1 ² (0.35) Depth: 6/13 00:00:00 75kN 56.Qd2 Qf1 57.Qf2 Qd3 58.Qe2 Qf5 ² (0.47) Depth: 6/13 00:00:00 133kN 56.Qd2 Qf1 57.Qf2 Qb1 58.Bd6 Qf5 59.Qe3 ² (0.69) Depth: 7/16 00:00:01 218kN 56.Qd2 Qf1 57.Qf2 Qc1 58.Be7 Re8 59.Qe2 Qf4+ 60.Rg4 ² (0.52) Depth: 8/18 00:00:01 405kN 56.Qd2 Qf1 57.Qf2 Qc1 58.Be7 Re8 59.Bd6 Nf4 60.Bxf4 Qxf4+ ² (0.43) Depth: 9/23 00:00:02 899kN 56.Qd2 Qf1 57.Qf2 Qc1 58.Be7 Re8 59.Rg1 Qc4 60.Re1 Nf4 ² (0.37) Depth: 10/24 00:00:05 2403kN 56.Qd2 Qb1 57.Qe3 Ng7 58.Qf2 Nf5+ 59.Kh3 Re8 60.Rg4 Qd3 61.Qg2 Re2 = (0.24) Depth: 11/26 00:00:24 11548kN 56.Qd2 Qb1 57.Qe3 Ng7 58.Qe5 Nf5+ 59.Kg5 Qh1 60.Qe2 Ne3 61.Rg3 Re8 62.b5 = (0.18) Depth: 12/30 00:00:48 23750kN 56.Qd2 Qb1 57.Qe3 Ng7 58.Qe5 Nf5+ 59.Kg4 Qh1 60.Rb2 Ra3 61.Qf4 Qg1+ 62.Kh3 Qf1+ 63.Kg4 Qg1+ = (0.00) Depth: 13/30 00:02:20 69019kN 56.Qd2 Qb1 57.Rg5 Ng7 58.Qf4 Nf5+ 59.Rxf5 gxf5 60.Qe5 Qc2 61.Kh5 Ra3 62.Qc7 Kh8 63.Qf4 = (-0.03) Depth: 14/33 00:07:49 232013kN (Blass, Tel-aviv 21.08.2001) Here is comparison with other top programs Junior7 believes that white had big problems at move 55 and that the significant mistake of Crafty was at move 54 Crafty 18.10X - Deep Junior 7 [D]r7/5p1k/q5p1/2BpQ2n/1P1P3K/5P2/7P/6R1 w - - 0 1 Analysis by Junior 7: 54.b5 Qxb5 55.Qxd5 = (-0.22) Depth: 3 00:00:00 54.b5 Qa2 55.Kh3 Qf2 µ (-0.81) Depth: 6 00:00:00 6kN 54.Qe7 Qf6+ 55.Qxf6 Nxf6 56.Be7 Ra6 57.b5 = (-0.16) Depth: 6 00:00:00 7kN 54.Be7 Qa2 55.Qc7 = (-0.02) Depth: 6 00:00:00 8kN 54.Be7 Qa2 55.Rf1 Qg2 56.Re1 Qf2+ 57.Kg5 Rh8 µ (-1.36) Depth: 9 00:00:00 96kN 54.Qe7 Kg8 55.Re1 Qa2 56.Re2 Qb3 57.Re3 Qc2 = (-0.09) Depth: 9 00:00:00 214kN 54.Qe7 Rg8 55.Kh3 Kg7 56.Bd6 Rh8 57.Be5+ Nf6+ 58.Kg3 Qe6 59.Qxe6 = (-0.07) Depth: 12 00:00:03 2607kN 54.Rg5 Rg8 55.b5 Qa2 56.Rxh5+ gxh5 57.Qxh5+ Kg7 58.Qg4+ Kh8 59.Qh5+ = (0.00) Depth: 12 00:00:04 3469kN 54.Rg5 Ng7 55.Qxd5 Ne6 56.Re5 Rh8 57.Qd7 Kg7+ 58.Kg3 Nxc5 59.bxc5 Qf6 = (-0.25) Depth: 15 00:00:32 23682kN 54.Qe7 Kg8 55.Qe5 Qa2 56.Kh3 Kh7 57.Qc7 Kg7 58.Qe5+ Kh6 59.Rc1 Qf2 60.Qxd5 = (-0.24) Depth: 15 00:00:52 36840kN 54.Qe7 Kg8 55.Qe5 Qa2 56.Kh3 Ng7 57.b5 Re8 58.Qf6 Nh5 59.Qh4 Re2 60.Qd8+ Kh7 61.Bd6 = (-0.19) Depth: 17 00:02:07 87758kN 54.Qe7 Kg8 55.Qe5 Qa2 56.Kh3 Ng7 57.Rg2 Qb3 58.Rg3 Qc2 59.Qxd5 Ra2 60.Qd8+ Kh7 61.Qf8 Qxh2+ ³ (-0.34) Depth: 18 00:08:00 334798kN, tb=2 (Blass, Tel-aviv 21.08.2001) Crafty 18.10X - Deep Junior 7 [D]r7/5p1k/6p1/2BpQ2n/1P1P3K/5P2/6RP/5q2 w - - 0 1 Analysis by Junior 7: 55.Rg1 Qxg1 56.Be7 -+ (-3.78) Depth: 3 00:00:00 55.Rxg6 fxg6 56.Qe7+ Kh8 57.Qf7 -+ (-2.61) Depth: 3 00:00:00 55.Rg5 Qf2+ 56.Kg4 Rh8 -+ (-1.64) Depth: 3 00:00:00 1kN 55.Rb2 Qxf3 56.Qe7 µ (-1.31) Depth: 3 00:00:00 1kN 55.Rc2 Qxf3 56.Qe7 µ (-1.11) Depth: 3 00:00:00 1kN 55.Qe2 Qxe2 56.Rxe2 ³ (-0.53) Depth: 3 00:00:00 1kN 55.Qe2 Qc1 56.Qe5 Qh6 57.Qxd5 µ (-0.95) Depth: 6 00:00:00 9kN 55.Qe2 Qc1 56.Qd2 Qa3 57.f4 Qf3 58.Rf2 Qe4 µ (-0.97) Depth: 9 00:00:00 94kN 55.Qe2 Qc1 56.Qd2 Qa3 57.Rf2 Ng7 58.b5 Nf5+ 59.Kh3 Qb3 60.b6 µ (-0.90) Depth: 12 00:00:01 861kN 55.Qe2 Qc1 56.Qd2 Qb1 57.Rf2 Qf5 58.Qg5 Ng7 59.Be7 Rh8 µ (-1.12) Depth: 15 00:00:41 30675kN 55.Qe2 Qc1 56.Qd2 Qb1 57.Rf2 Rh8 58.Qc2 Qe1 59.Qe2 µ (-1.12) Depth: 17 00:01:39 69667kN, tb=1 (Blass, Tel-aviv 21.08.2001) Deep Fritz needs depth 15 and some minutes to see negative score at move 56 Crafty 18.10X - Deep Junior 7 r7/5p1k/6p1/2Bp3n/1P1P3K/5P2/4Q1RP/2q5 w - - 0 1 Analysis by Deep Fritz: 56.Rxg6-- = (-0.03) Depth: 1/3 00:00:00 56.Rxg6-- fxg6 -+ (-3.28) Depth: 1/5 00:00:00 56.b5! -+ (-2.06) Depth: 1/5 00:00:00 56.b5! Qf4+ 57.Kh3 ± (0.78) Depth: 1/5 00:00:00 56.b5-- ² (0.47) Depth: 2/6 00:00:00 56.b5-- ² (0.47) Depth: 2/6 00:00:00 56.Qd2! ² (0.53) Depth: 2/9 00:00:00 56.Qd2! Qf1 ² (0.56) Depth: 2/9 00:00:00 56.Qd2 Qf1 57.Qf2 ² (0.50) Depth: 3/9 00:00:00 56.Qd2 Qf1 57.Qf2 Qh1 ² (0.59) Depth: 4/10 00:00:00 1kN 56.Qd2 Qf1 57.Qf2 Qd3 58.Bd6 ² (0.63) Depth: 5/12 00:00:00 6kN 56.Qd2 Qf1 57.Qf2 Qd1 58.Rg1 Qd3 ² (0.59) Depth: 6/14 00:00:00 14kN 56.Qd2 Qf1 57.Qf2 Qc1 58.Kg4 f5+ 59.Kh4 Nf4 ² (0.50) Depth: 7/15 00:00:00 31kN 56.Qd2 Qf1 57.Rf2 Qh1 58.b5 Ng7 59.Rg2 Nf5+ 60.Kh3 ² (0.47) Depth: 8/19 00:00:00 152kN 56.Qd2 Qf1 57.Rf2 Qh1 58.b5 Ng7 59.Kg4 Ne6 60.Rg2 ² (0.47) Depth: 9/21 00:00:00 330kN 56.Qd2 Qf1 57.Rf2 Qb1 58.Qe3 Ng7 59.Kh3 Nf5 60.Qe5 ² (0.44) Depth: 10/22 00:00:01 1083kN 56.Qd2 Qb1 57.Qe3 Ng7 58.Qf2 Nf5+ 59.Kh3 Qd3 60.Rg1 Re8 61.Kg2 Ne3+ ² (0.38) Depth: 11/28 00:00:04 2753kN 56.Qd2-- = (0.06) Depth: 12/31 00:00:12 7678kN 56.Qd2-- Qf1 57.Qf2 Qa6 58.Rg5 Qf6 59.b5 Re8 60.Qg2 Re3 61.Qg4 Rxf3 = (0.00) Depth: 12/31 00:00:14 8984kN 56.Qd2 Qf1 57.Qf2 Qa6 58.Rg4 Qf6+ 59.Kh3 Nf4+ 60.Kg3 Nh5+ 61.Kg2 Nf4+ = (0.00) Depth: 13/31 00:00:24 15633kN 56.Qd2 Qf1 57.Qf2 Qa6 58.Rg4 Qf6+ 59.Kh3 Nf4+ 60.Kg3 Nh5+ 61.Kg2 Nf4+ = (0.00) Depth: 14/34 00:02:02 77631kN 56.Qd2 Qb1 57.Rg5 Ng7 58.Qf4 Ra2 59.Bd6 Qe1+ 60.Kh3 Qe6+ 61.Rg4 Nf5 ³ (-0.28) Depth: 15/40 00:05:42 219074kN (Blass, Tel-aviv 21.08.2001) Uri
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