Author: Robert Hyatt
Date: 19:20:56 12/12/03
Go up one level in this thread
On December 12, 2003 at 18:12:16, ALI MIRAFZALI wrote:
>In this simple position Crafty 19.03 fails to see the draw score.Compare
>Chessmaster 9000 superior analysis posted after crafty.Results for some other
>programs are also of interest here:(the challege is to show 0.00 score)
Mine finds it _right_ quickly: Dual xeon with lots of endgame tables:
time surplus 29.95 time limit 166:39 (166:39)
depth time score variation (1)
1 0.00 -0.01 1. ... Rg1+ <EGTB>
1-> 0.02 -0.01 1. ... Rg1+ <EGTB>
2 0.02 -0.01 1. ... Rg1+ <EGTB>
2-> 0.02 -0.01 1. ... Rg1+ <EGTB>
3 0.02 -0.01 1. ... Rg1+ <EGTB>
3-> 0.02 -0.01 1. ... Rg1+ <EGTB>
4 0.02 -0.01 1. ... Rg1+ <EGTB>
4-> 0.02 -0.01 1. ... Rg1+ <EGTB>
time=0.02 cpu=0% mat=2 n=96 fh=100% nps=10k
Got a program that beats that time? (.02 seconds). :)
This is just a simple position that has a bunch of checks that have to
be followed to see the draw. Chessmaster is very good at that. Most
other engines will have trouble without the endgame tables.
BTW you have something _badly_ broken. 35 minutes to do a D9 search? Sounds
like your hash table is set to something enormous or something similar. On
my machine D9 takes a fraction of 1 second as does through depth 16. Where
your 35:01 comes from is anybody's guess.
>[D]2k5/1R2P1K1/2P5/8/8/8/8/4r3 b
>Analysis by Crafty 19.03:
>crafty-19,03 WB2 5 MB:
>D9 35:01 6.13 69. ... Rg1+ 70. Kf7 Rf1+ 71. Ke6 Re1+ 72. Kd6 Re6+ 73. Kc5
>Re5+ 74. Kd4 Re4+ 75. Kd5 Re5+ 76. Kc4 Re4+ 77. Kd3 Re1
>D10 35:01 6.00 69. ... Rg1+ 70. Kf7 Rf1+ 71. Ke6 Re1+ 72. Kd6 Re6+ 73. Kc5
>Re5+ 74. Kd4 Re4+ 75. Kd3 Re3+ 76. Kc4 Re4+ 77. Kb5 Re5+ 78. Kb4 Re6
>D11 35:01 6.00 69. ... Rg1+ 70. Kf7 Rf1+ 71. Ke6 Re1+ 72. Kd6 Re6+ 73. Kc5
>Re5+ 74. Kd4 Re4+ 75. Kc3 Rc4+ 76. Kd3 Rxc6 77. e8=Q+ Kxb7 78. Qd7+ Rc7 79. Qb5+
>Kc8 80. Qe8+ Kb7 81. Ke4
>D12 35:03 5.93 69. ... Rg1+ 70. Kf7 Rf1+ 71. Ke6 Re1+ 72. Kd6 Re6+ 73. Kc5
>Re5+ 74. Kd4 Re4+ 75. Kc3 Re3+ 76. Kc4 Re4+ 77. Kb5 Re5+ 78. Kb4 Re4+ 79. Kb3
>Re3+ 80. Kc2 Re4
>D13 35:05 5.83 69. ... Rg1+ 70. Kf7 Rf1+ 71. Ke6 Re1+ 72. Kd6 Re6+ 73. Kc5
>Re5+ 74. Kd4 Re4+ 75. Kc3 Re3+ 76. Kc4 Re4+ 77. Kb5 Re5+ 78. Kb4 Re4+ 79. Kb3
>Re3+ 80. Ka4 Re4+ 81. Ka5 Re3
>D14 35:06 5.89 69. ... Rg1+ 70. Kf7 Rf1+ 71. Ke6 Re1+ 72. Kd6 Re6+ 73. Kc5
>Re5+ 74. Kd4 Re4+ 75. Kc3 Re3+ 76. Kc4 Re4+ 77. Kb5 Re5+ 78. Kb4 Re4+ 79. Kb3
>Re3+ 80. Ka4 Re2 81. Rd7 Re1
>D15 35:08 5.83 69. ... Rg1+ 70. Kf7 Rf1+ 71. Ke6 Re1+ 72. Kd6 Re6+ 73. Kc5
>Re5+ 74. Kd4 Re4+ 75. Kc3 Re3+ 76. Kc4 Re4+ 77. Kb5 Re5+ 78. Kb4 Re4+ 79. Kb3
>Re3+ 80. Ka4 Re4+ 81. Ka5 Re5+ 82. Kb6 Rb5+ 83. Ka7 Re5
>D16 35:09 5.43 69. ... Rg1+!!
>D16 35:09 5.44 69. ... Rg1+ 70. Kf7 Rf1+ 71. Ke6 Re1+ 72. Kd6 Re6+ 73. Kc5
>Re5+ 74. Kd4 Re4+ 75. Kc3 Re3+ 76. Kc4 Re4+ 77. Kb5 Re5+ 78. Kb4 Re4+ 79. Kb3
>Re3+ 80. Ka4 Re4+ 81. Ka5 Re5+ 82. Kb6 Rb5+ 83. Ka7 Re5
>D17 35:11 5.70 69. ... Rg1+ 70. Kf7 Rf1+ 71. Ke6 Re1+ 72. Kd6 Re6+ 73. Kc5
>Re5+ 74. Kd4 Re4+ 75. Kc3 Re3+ 76. Kc4 Re4+ 77. Kb5 Re5+ 78. Kb4 Re4+ 79. Kb3
>Re3+ 80. Ka4 Re4+ 81. Ka3 Re3+ 82. Kb2 Re2+ 83. Kc1 Rc2+ 84. Kd1 Rc1+ 85. Ke2
>Rxc6 86. e8=Q+ Kxb7
>D18 35:13 5.71 69. ... Rg1+ 70. Kf7 Rf1+ 71. Ke6 Re1+ 72. Kd6 Re6+ 73. Kc5
>Re5+ 74. Kd4 Re4+ 75. Kc3 Re3+ 76. Kc4 Re4+ 77. Kb5 Re5+ 78. Kb4 Re4+ 79. Kb3
>Re3+ 80. Ka4 Re4+ 81. Ka3 Re3+ 82. Kb2 Re2+ 83. Kc1 Rc2+ 84. Kd1 Rc1+ 85. Ke2
>Rxc6 86. Rb8+ Kxb8 87. e8=Q+
>D19 35:18 5.33 69. ... Rg1+ 70. Kf7 Rf1+ 71. Ke6 Re1+ 72. Kd6 Re6+ 73. Kc5
>Re5+ 74. Kd4 Re4+ 75. Kc3 Re3+ 76. Kc4 Re4+ 77. Kb5 Re5+ 78. Kb4 Re4+ 79. Kb3
>Re3+ 80. Ka4 Re4+ 81. Ka3 Re3+ 82. Kb2 Re2+ 83. Kc1 Re1+ 84. Kd2 Re2+ 85. Kd1
>Rd2+ <HT>
>D20 35:33 5.70 69. ... Rg1+ 70. Kf7 Rf1+ 71. Ke6 Re1+ 72. Kd6 Re6+ 73. Kc5
>Re5+ 74. Kd4 Re4+ 75. Kc3 Re6 76. Kd3 Re3+ 77. Kc4 Re4+ 78. Kb3 Re3+ 79. Ka4
>Re4+ 80. Ka3 Re3+ 81. Kb2 Re2+ 82. Kc1 Re6 83. Kd2 Rd6+ 84. Ke3 Re6+ 85. Kf4
>Rf6+ 86. Kg5 Rxc6 87. e8=Q+ Kxb7
>D21 37:05 5.70 69. ... Rg1+ 70. Kf7 Rf1+ 71. Ke6 Re1+ 72. Kd6 Re6+ 73. Kc5
>Re5+ 74. Kd4 Re4+ 75. Kc3 Re6 76. Kb4 Re4+ 77. Kb5 Re5+ 78. Kc4 Re4+ 79. Kb3
>Re3+ 80. Ka4 Re4+ 81. Ka3 Re3+ 82. Kb2 Re2+ 83. Kc1 Re6 84. Kd2 Rd6+ 85. Ke3
>Re6+ 86. Kf4 Rf6+ 87. Kg5 Rxc6 88. e8=Q+ Kxb7
>D22 43:12 5.30 69. ... Rg1+!!
>D22 47:50 5.31 69. ... Rg1+ 70. Kf7 Rf1+ 71. Ke6 Re1+ 72. Kd6 Re6+ 73. Kc5
>Re5+ 74. Kd4 Re4+ 75. Kc3 Re6 76. Kb4 Re4+ 77. Kb5 Re5+ 78. Kc4 Re4+ 79. Kb3
>Re3+ 80. Ka4 Re4+ 81. Ka3 Re3+ 82. Kb2 Re2+ 83. Kc1 Re6 84. Kd2 Rd6+ 85. Ke3
>Re6+ 86. Kf4 Rf6+ 87. Kg5 Rxc6 88. e8=Q+ Kxb7
>
>
>Analysis by Chessmaster 9000 (default personality):
>Time Depth Score Positions Moves
>0:06 12/16 1.76 1538791 1...Rg1+ 2.Kf7 Rf1+ 3.Ke6 Re1+
> 4.Kd5 Rd1+ 5.Ke5 Re1+ 6.Kd6 Rd1+
> 7.Kc5 Rc1+ 8.Kd4 Rd1+ 9.Kc4 Rc1+
> 10.Kd3 Rd1+ 11.Ke2 Re1+ 12.Kf3
> Re3+ 13.Kf4 Re4+ 14.Kg3 Re3+ 15.Kg4
> Re4+ 16.Kg5 Re5+
>0:09 13/17 1.70 2272253 1...Rg1+ 2.Kf7 Rf1+ 3.Ke6 Re1+
> 4.Kd5 Rd1+ 5.Ke5 Re1+ 6.Kd6 Rd1+
> 7.Kc5 Rc1+ 8.Kd4 Rd1+ 9.Kc4 Rc1+
> 10.Kd3 Rd1+ 11.Ke2 Re1+ 12.Kd2
> Rd1+ 13.Kc3 Rc1+ 14.Kb2 Rb1+ 15.Ka3
> Ra1+ 16.Kb4 Rb1+
>0:13 14/18 1.62 3552443 1...Rg1+ 2.Kf7 Rf1+ 3.Ke6 Re1+
> 4.Kd5 Rd1+ 5.Ke5 Re1+ 6.Kd6 Rd1+
> 7.Kc5 Rc1+ 8.Kd4 Rd1+ 9.Kc4 Rc1+
> 10.Kd3 Rd1+ 11.Ke2 Re1+ 12.Kd2
> Rd1+ 13.Kc3 Rc1+ 14.Kb2 Rb1+ 15.Ka3
> Ra1+ 16.Kb4 Rb1+
>0:22 15/19 1.60 6010672 1...Rg1+ 2.Kf7 Rf1+ 3.Ke6 Re1+
> 4.Kd5 Rd1+ 5.Ke5 Re1+ 6.Kd6 Rd1+
> 7.Kc5 Rc1+ 8.Kd4 Rd1+ 9.Kc4 Rc1+
> 10.Kd3 Rd1+ 11.Ke2 Re1+ 12.Kd2
> Rd1+ 13.Kc3 Rc1+ 14.Kb2 Rb1+ 15.Kc2
> Rc1+ 16.Kb3 Rb1+
>0:39 16/20 1.40 10732282 1...Rg1+ 2.Kf7 Rf1+ 3.Ke6 Re1+
> 4.Kd5 Rd1+ 5.Ke5 Re1+ 6.Kd6 Rd1+
> 7.Kc5 Rc1+ 8.Kd4 Rd1+ 9.Kc4 Rc1+
> 10.Kd3 Rd1+ 11.Ke2 Re1+ 12.Kd2
> Rd1+ 13.Kc3 Rc1+ 14.Kb4 Rb1+ 15.Ka5
> Ra1+ 16.Kb5 Rb1+
>1:32 17/21 1.36 25171972 1...Rg1+ 2.Kf7 Rf1+ 3.Ke6 Re1+
> 4.Kd5 Rd1+ 5.Ke5 Re1+ 6.Kd6 Rd1+
> 7.Kc5 Rc1+ 8.Kb4 Rb1+ 9.Ka5 Ra1+
> 10.Kb5 Rb1+ 11.Kc4 Rc1+ 12.Kb3
> Rb1+ 13.Kc3 Rc1+ 14.Kd2 Rd1+ 15.Ke2
> Re1+ 16.Kf3 Re3+
>2:49 18/22 1.30 45249244 1...Rg1+ 2.Kf7 Rf1+ 3.Ke6 Re1+
> 4.Kd5 Rd1+ 5.Ke5 Re1+ 6.Kd6 Rd1+
> 7.Kc5 Rc1+ 8.Kd4 Rd1+ 9.Kc4 Rc1+
> 10.Kd3 Rd1+ 11.Ke2 Re1+ 12.Kf3
> Re3+ 13.Kf4 Re4+ 14.Kg3 Re3+ 15.Kg4
> Re4+ 16.Kg5 Re5+
>5:56 19/23 1.19 94578871 1...Rg1+ 2.Kf7 Rf1+ 3.Ke6 Re1+
> 4.Kd5 Rd1+ 5.Ke5 Re1+ 6.Kd6 Rd1+
> 7.Kc5 Rc1+ 8.Kd4 Rd1+ 9.Kc4 Rc1+
> 10.Kd3 Rd1+ 11.Ke2 Re1+ 12.Kf3
> Re3+ 13.Kf4 Re4+ 14.Kg3 Re3+ 15.Kg4
> Re4+ 16.Kg5 Re5+
>9:00 20/24 0.00 146403790 1...Rg1+ 2.Kf7 Rf1+ 3.Ke6 Re1+
> 4.Kd5 Rd1+ 5.Ke5 Rd5+ 6.Ke6 Rd6+
> 7.Kf5 Rd5+ 8.Kf4 Rd4+ 9.Kf3 Rd3+
> 10.Ke2 Rd2+ 11.Ke1 Rd1+ 12.Kxd1
>Please indicate your result.
This page took 0 seconds to execute
Last modified: Thu, 15 Apr 21 08:11:13 -0700
Current Computer Chess Club Forums at Talkchess. This site by Sean Mintz.