Author: Dann Corbit
Date: 16:16:11 12/12/03
Go up one level in this thread
On December 12, 2003 at 18:47:43, Steven J. Brann wrote:
>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)
>>[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.
>
>
>When CM9000 shows a 0.00 score, a draw is usually a sure bet. However on a P4
>3.0G machine, the default personality with selective search = 16 doesn't quite
>get there.
>
>Time Depth Score Positions Moves
>0:00 1/9 2.10 151840 1...Rg1+ 2.Kf7 Rf1+ 3.Ke6 Rf6+
> 4.Kd5 Rd6+ 5.Kc5 Rxc6+ 6.Kd5 Kxb7
> 7.e8=Q Rc7 8.Qb5+ Kc8 9.Ke4
>0:01 1/10 2.07 458491 1...Rg1+ 2.Kf7 Rf1+ 3.Ke6 Rf6+
> 4.Kd5 Rf5+ 5.Kd6 Rd5+ 6.Ke6 Rd6+
> 7.Ke5 Rd5+ 8.Ke4 Re5+ 9.Kd3 Rd5+
> 10.Kc4 Rc5+ 11.Kd4
>0:01 1/11 1.88 705855 1...Rg1+ 2.Kf7 Rf1+ 3.Ke6 Re1+
> 4.Kf5 Re5+ 5.Kg6 Re6+ 6.Kh5 Rh6+
> 7.Kg5 Rh5+ 8.Kg6 Rh6+ 9.Kf5 Rf6+
> 10.Ke4 Re6+ 11.Kf3 Rf6+ 12.Kg4 Re6
>0:01 1/12 1.87 745464 1...Rg1+ 2.Kf7 Rf1+ 3.Ke6 Re1+
> 4.Kd5 Re5+ 5.Kd4 Re4+ 6.Kc5 Re5+
> 7.Kb4 Re4+ 8.Kb5 Re5+ 9.Kc4 Re4+
> 10.Kd3 Re3+ 11.Kd2 Re2+ 12.Kc3 Re6
>0:01 2/13 2.01 793967 1...Rg1+ 2.Kf7 Rf1+ 3.Ke6 Re1+
> 4.Kd5 Re5+ 5.Kd4 Re4+ 6.Kc5 Re5+
> 7.Kb4 Re4+ 8.Kb5 Re5+ 9.Kc4 Re4+
> 10.Kb3 Re3+ 11.Kc2 Rc3+ 12.Kb2
> Rxc6 13.e8=Q+ Kxb7 14.Qe4
>0:02 3/14 1.74 939184 1...Rg1+ 2.Kf7 Rf1+ 3.Ke6 Re1+
> 4.Kd5 Re5+ 5.Kd4 Re4+ 6.Kc5 Re5+
> 7.Kb4 Re4+ 8.Kb5 Re5+ 9.Kc4 Re4+
> 10.Kd3 Re3+ 11.Kc2 Re2+ 12.Kc3
> Re3+ 13.Kd2 Rd3+ 14.Kc2 Rd2+ 15.Kc3
> Re2
>0:02 4/15 1.77 1090867 1...Rg1+ 2.Kf7 Rf1+ 3.Ke6 Re1+
> 4.Kd5 Re5+ 5.Kd4 Re4+ 6.Kc5 Re5+
> 7.Kb4 Re4+ 8.Kb5 Re5+ 9.Kc4 Re4+
> 10.Kc3 Re6 11.Kb3 Re3+ 12.Kc2 Re6
> 13.Kd2 Re2+ 14.Kd3
>0:03 5/16 1.61 1409807 1...Rg1+ 2.Kf7 Rf1+ 3.Ke6 Re1+
> 4.Kd5 Re5+ 5.Kd4 Re4+ 6.Kc5 Re5+
> 7.Kb4 Re4+ 8.Kb5 Re5+ 9.Kc4 Re4+
> 10.Kd3 Re3+ 11.Kc2 Re6 12.Kb3 Re3+
> 13.Kb2 Re2+ 14.Kc1 Rc2+ 15.Kb1
> Rc1+ 16.Kb2 Re1
>0:04 6/17 1.64 1823762 1...Rg1+ 2.Kf7 Rf1+ 3.Ke6 Re1+
> 4.Kd5 Re5+ 5.Kd4 Re4+ 6.Kc5 Re5+
> 7.Kb4 Re4+ 8.Kb5 Re5+ 9.Kc4 Re4+
> 10.Kb3 Re3+ 11.Kb2 Re2+ 12.Kc3
> Re6 13.Kd3 Re3+ 14.Kc2 Re6 15.Kd1
> Re1+ 16.Kd2
>0:06 7/18 1.57 2933898 1...Rg1+ 2.Kf7 Rf1+ 3.Ke6 Re1+
> 4.Kd5 Re5+ 5.Kd4 Re4+ 6.Kc5 Re5+
> 7.Kb4 Re4+ 8.Kb5 Re5+ 9.Kc4 Re4+
> 10.Kb3 Re3+ 11.Ka2 Re2+ 12.Ka3
> Re3+ 13.Kb2 Re2+ 14.Kc3 Re6 15.Kd2
> Re2+ 16.Kd3 Re3+
>0:09 8/19 1.56 4574263 1...Rg1+ 2.Kf7 Rf1+ 3.Ke6 Re1+
> 4.Kd5 Re5+ 5.Kd4 Re4+ 6.Kc5 Re5+
> 7.Kb4 Re4+ 8.Kb5 Re5+ 9.Kc4 Re4+
> 10.Kc3 Re6 11.Kb2 Re2+ 12.Kb3 Re3+
> 13.Kc2 Re6 14.Kb1 Re1+ 15.Ka2 Re2+
> 16.Ka3 Re3+
>0:16 9/20 1.50 8494413 1...Rg1+ 2.Kf7 Rf1+ 3.Ke6 Re1+
> 4.Kd5 Re5+ 5.Kd4 Re4+ 6.Kc5 Re5+
> 7.Kb4 Re4+ 8.Kb5 Re5+ 9.Kc4 Re4+
> 10.Kc3 Re6 11.Kd3 Re3+ 12.Kc2 Re6
> 13.Kb3 Re3+ 14.Ka2 Re2+ 15.Ka3
> Re3+ 16.Kb2 Re2+
>0:26 10/21 1.52 14181888 1...Rg1+ 2.Kf7 Rf1+ 3.Ke6 Re1+
> 4.Kd5 Re5+ 5.Kd4 Re4+ 6.Kc5 Re5+
> 7.Kb4 Re4+ 8.Kb5 Re5+ 9.Kc4 Re4+
> 10.Kc3 Re6 11.Ra7 Rxc6+ 12.Kd4
> Re6 13.Kc5 Re2 14.Kd6 Rd2+ 15.Ke6
> Re2+ 16.Kf7 Rf2+
>0:36 11/22 1.35 19810532 1...Rg1+ 2.Kf7 Rf1+ 3.Ke6 Re1+
> 4.Kd5 Re5+ 5.Kd4 Re4+ 6.Kc5 Re5+
> 7.Kb4 Re4+ 8.Kb5 Re5+ 9.Kc4 Re4+
> 10.Kc3 Re3+ 11.Kd2 Re2+ 12.Kd3
> Re3+ 13.Kc2 Re2+ 14.Kc1 Re6 15.Ra7
> Rxc6+ 16.Kd2 Re6
>1:18 12/23 0.35 43138075 1...Rg1+ 2.Kf7 Rf1+ 3.Ke6 Re1+
> 4.Kd5 Re5+ 5.Kd4 Re4+ 6.Kc5 Re5+
> 7.Kb4 Re4+ 8.Kb5 Re5+ 9.Kc4 Re4+
> 10.Kb3 Re3+ 11.Ka4 Re4+ 12.Ka5
> Re5+ 13.Rb5 Rxe7 14.Kb6 Re2 15.Rb4
> Rg2 16.Rc4 Rb2+
>1:48 13/24 0.35 60852627 1...Rg1+ 2.Kf7 Rf1+ 3.Ke6 Re1+
> 4.Kd5 Re5+ 5.Kd4 Re4+ 6.Kc5 Re5+
> 7.Kb4 Re4+ 8.Kb5 Re5+ 9.Kc4 Re4+
> 10.Kb3 Re3+ 11.Kc2 Re2+ 12.Kb1
> Re1+ 13.Kb2 Re2+ 14.Ka3 Re3+ 15.Ka4
> Re4+ 16.Ka5 Re5+
>2:52 14/25 0.35 98934697 1...Rg1+ 2.Kf7 Rf1+ 3.Ke6 Re1+
> 4.Kd5 Re5+ 5.Kd4 Re4+ 6.Kc3 Re3+
> 7.Kd2 Re2+ 8.Kd3 Re3+ 9.Kc2 Re2+
> 10.Kb1 Re1+ 11.Ka2 Re2+ 12.Ka3
> Re3+ 13.Kb2 Re2+ 14.Kb3 Re3+ 15.Ka4
> Re4+ 16.Rb4 Rxe7
>4:25 15/26 0.35 154192733 1...Rg1+ 2.Kf7 Rf1+ 3.Ke6 Re1+
> 4.Kd5 Re5+ 5.Kd4 Re4+ 6.Kc3 Re3+
> 7.Kd2 Re2+ 8.Kd3 Re3+ 9.Kc2 Re2+
> 10.Kb1 Re1+ 11.Kb2 Re2+ 12.Kb3
> Re3+ 13.Kb4 Re4+ 14.Ka3 Re3+ 15.Ka4
> Re4+ 16.Rb4 Rxe7
>6:58 16/27 0.35 245760669 1...Rg1+ 2.Kf7 Rf1+ 3.Ke6 Re1+
> 4.Kd5 Re5+ 5.Kd4 Re4+ 6.Kc3 Re3+
> 7.Kd2 Re2+ 8.Kd3 Re3+ 9.Kc2 Re2+
> 10.Kb1 Re1+ 11.Kb2 Re2+ 12.Kb3
> Re3+ 13.Kb4 Re4+ 14.Ka3 Re3+ 15.Ka4
> Re4+ 16.Rb4 Rxe7
>11:02 17/28 0.35 387452182 1...Rg1+ 2.Kf7 Rf1+ 3.Ke6 Re1+
> 4.Kd5 Re5+ 5.Kd4 Re4+ 6.Kc3 Re3+
> 7.Kd2 Re2+ 8.Kd3 Re3+ 9.Kc2 Re2+
> 10.Kb1 Re1+ 11.Kb2 Re2+ 12.Kb3
> Re3+ 13.Kb4 Re4+ 14.Ka3 Re3+ 15.Ka4
> Re4+ 16.Rb4 Rxe7
>
>Steve
The latest crafty shows it is definitely a draw, using EGTB:
E:\crafty\release>crafty1
EPD Kit revision date: 1996.04.21
unable to open book file [./book.bin].
book is disabled
unable to open book file [./books.bin].
hash table memory = 48M bytes.
pawn hash table memory = 6M bytes.
EGTB cache memory = 32M bytes.
draw score set to 0.00 pawns.
book file enabled.
choose from book moves randomly (using weights.)
choose from 5 best moves.
book learning enabled
result learning enabled
position learning enabled
threshold set to 9 pawns.
5 piece tablebase files found
12693kb of RAM used for TB indices and decompression tables
Crafty v19.7
White(1): hash 300M
hash table memory = 192M bytes.
White(1): st 999
search time set to 999.00.
White(1): epdpfga \draw2.epd draw2.out
PFGA: EPD record: 1
end-game phase
clearing hash tables
time surplus 0.00 time limit 16:39 (16:39)
depth time score variation (1)
9 0.72 6.15 1. ... Rg1+ 2. Kf7 Rf1+ 3. Ke6 Rf6+
4. Kd5 Rd6+ 5. Kc5 Rxc6+ 6. Kd5 Kxb7
7. e8=Q Rc1 8. Kd6
9-> 0.94 6.15 1. ... Rg1+ 2. Kf7 Rf1+ 3. Ke6 Rf6+
4. Kd5 Rd6+ 5. Kc5 Rxc6+ 6. Kd5 Kxb7
7. e8=Q Rc1 8. Kd6
10 1.60 6.00 1. ... Rg1+ 2. Kf7 Rf1+ 3. Ke6 Re1+
4. Kd6 Re6+ 5. Kc5 Re5+ 6. Kc4 Re4+
7. Kb5 Re5+ 8. Kb4 Re4+ 9. Kb3 Re3+
10. Kb4 Re4+ <HT>
10-> 1.88 6.00 1. ... Rg1+ 2. Kf7 Rf1+ 3. Ke6 Re1+
4. Kd6 Re6+ 5. Kc5 Re5+ 6. Kc4 Re4+
7. Kb5 Re5+ 8. Kb4 Re4+ 9. Kb3 Re3+
10. Kb4 Re4+ <HT>
11 2.29 5.99 1. ... Rg1+ 2. Kf7 Rf1+ 3. Ke6 Re1+
4. Kd6 Re6+ 5. Kc5 Re5+ 6. Kc4 Re4+
7. Kb5 Re5+ 8. Kb4 Re4+ 9. Kb3 Re3+
10. Kb2 Re6 11. Rd7
11-> 2.53 5.99 1. ... Rg1+ 2. Kf7 Rf1+ 3. Ke6 Re1+
4. Kd6 Re6+ 5. Kc5 Re5+ 6. Kc4 Re4+
7. Kb5 Re5+ 8. Kb4 Re4+ 9. Kb3 Re3+
10. Kb2 Re6 11. Rd7
12 3.53 5.93 1. ... Rg1+ 2. Kf7 Rf1+ 3. Ke6 Re1+
4. Kd6 Re6+ 5. Kc5 Re5+ 6. Kc4 Re4+
7. Kb5 Re5+ 8. Kb4 Re4+ 9. Kb3 Re3+
10. Kb2 Re2+ 11. Kc3 Re3+ 12. Kd2 Rd3+
13. Ke2 Re3+ 14. Kf2 <HT>
12-> 3.89 5.93 1. ... Rg1+ 2. Kf7 Rf1+ 3. Ke6 Re1+
4. Kd6 Re6+ 5. Kc5 Re5+ 6. Kc4 Re4+
7. Kb5 Re5+ 8. Kb4 Re4+ 9. Kb3 Re3+
10. Kb2 Re2+ 11. Kc3 Re3+ 12. Kd2 Rd3+
13. Ke2 Re3+ 14. Kf2 <HT>
13 4.78 5.83 1. ... Rg1+ 2. Kf7 Rf1+ 3. Ke6 Re1+
4. Kd6 Re6+ 5. Kc5 Re5+ 6. Kc4 Re4+
7. Kb5 Re5+ 8. Kb4 Re4+ 9. Kb3 Re3+
10. Kb2 Re2+ 11. Kc3 Re3+ 12. Kd2 Re2+
13. Kd1 Re3
13-> 5.06 5.83 1. ... Rg1+ 2. Kf7 Rf1+ 3. Ke6 Re1+
4. Kd6 Re6+ 5. Kc5 Re5+ 6. Kc4 Re4+
7. Kb5 Re5+ 8. Kb4 Re4+ 9. Kb3 Re3+
10. Kb2 Re2+ 11. Kc3 Re3+ 12. Kd2 Re2+
13. Kd1 Re3
14 5.90 5.89 1. ... Rg1+ 2. Kf7 Rf1+ 3. Ke6 Re1+
4. Kd6 Re6+ 5. Kc5 Re5+ 6. Kc4 Re4+
7. Kb5 Re5+ 8. Kb4 Re4+ 9. Kb3 Re3+
10. Kb2 Re2+ 11. Kc3 Re3+ 12. Kd2 Re2+
13. Kd1 Re6 14. Rd7
14-> 6.33 5.89 1. ... Rg1+ 2. Kf7 Rf1+ 3. Ke6 Re1+
4. Kd6 Re6+ 5. Kc5 Re5+ 6. Kc4 Re4+
7. Kb5 Re5+ 8. Kb4 Re4+ 9. Kb3 Re3+
10. Kb2 Re2+ 11. Kc3 Re3+ 12. Kd2 Re2+
13. Kd1 Re6 14. Rd7
15 6.79 5.83 1. ... Rg1+ 2. Kf7 Rf1+ 3. Ke6 Re1+
4. Kd6 Re6+ 5. Kc5 Re5+ 6. Kc4 Re4+
7. Kb5 Re5+ 8. Kb4 Re4+ 9. Kb3 Re3+
10. Kb2 Re2+ 11. Ka3 Re3+ 12. Ka4 Re4+
13. Ka5 Re5+ 14. Kb6 Rb5+ 15. Ka6 Re5
15-> 7.10 5.83 1. ... Rg1+ 2. Kf7 Rf1+ 3. Ke6 Re1+
4. Kd6 Re6+ 5. Kc5 Re5+ 6. Kc4 Re4+
7. Kb5 Re5+ 8. Kb4 Re4+ 9. Kb3 Re3+
10. Kb2 Re2+ 11. Ka3 Re3+ 12. Ka4 Re4+
13. Ka5 Re5+ 14. Kb6 Rb5+ 15. Ka6 Re5
16 8.23 5.85 1. ... Rg1+ 2. Kf7 Rf1+ 3. Ke6 Re1+
4. Kd6 Re6+ 5. Kc5 Re5+ 6. Kc4 Re4+
7. Kb5 Re5+ 8. Kb4 Re4+ 9. Kb3 Re3+
10. Kb2 Re2+ 11. Ka3 Re3+ 12. Ka2 Re2+
13. Kb1 Re1+ 14. Kc2 Re6 15. Kd3 Rxc6
16. e8=Q+ Kxb7
16-> 8.92 5.85 1. ... Rg1+ 2. Kf7 Rf1+ 3. Ke6 Re1+
4. Kd6 Re6+ 5. Kc5 Re5+ 6. Kc4 Re4+
7. Kb5 Re5+ 8. Kb4 Re4+ 9. Kb3 Re3+
10. Kb2 Re2+ 11. Ka3 Re3+ 12. Ka2 Re2+
13. Kb1 Re1+ 14. Kc2 Re6 15. Kd3 Rxc6
16. e8=Q+ Kxb7
17 10.50 5.86 1. ... Rg1+ 2. Kf7 Rf1+ 3. Ke6 Re1+
4. Kd6 Re6+ 5. Kc5 Re5+ 6. Kc4 Re4+
7. Kb5 Rb4+ 8. Ka6 Ra4+ 9. Kb6 Rb4+
10. Kc5 Rc4+ 11. Kd6 Rd4+ 12. Ke6 Rd6+
13. Kf5 Rf6+ 14. Kg5 Rg6+ 15. Kh4 Rg4+
16. Kh3 Rg3+ 17. Kh2 Re3 18. Rd7
17-> 10.99 5.86 1. ... Rg1+ 2. Kf7 Rf1+ 3. Ke6 Re1+
4. Kd6 Re6+ 5. Kc5 Re5+ 6. Kc4 Re4+
7. Kb5 Rb4+ 8. Ka6 Ra4+ 9. Kb6 Rb4+
10. Kc5 Rc4+ 11. Kd6 Rd4+ 12. Ke6 Rd6+
13. Kf5 Rf6+ 14. Kg5 Rg6+ 15. Kh4 Rg4+
16. Kh3 Rg3+ 17. Kh2 Re3 18. Rd7
18 12.53 5.86 1. ... Rg1+ 2. Kf7 Rf1+ 3. Ke6 Re1+
4. Kd6 Re6+ 5. Kc5 Re5+ 6. Kc4 Re4+
7. Kb5 Rb4+ 8. Ka6 Ra4+ 9. Kb6 Rb4+
10. Kc5 Rc4+ 11. Kd6 Rd4+ 12. Ke6 Rd6+
13. Kf5 Rf6+ 14. Kg5 Rg6+ 15. Kh4 Rg4+
16. Kh5 Rg5+ 17. Kh6 Rg6+ 18. Kh7 Re6
19. Rd7
18-> 13.26 5.86 1. ... Rg1+ 2. Kf7 Rf1+ 3. Ke6 Re1+
4. Kd6 Re6+ 5. Kc5 Re5+ 6. Kc4 Re4+
7. Kb5 Rb4+ 8. Ka6 Ra4+ 9. Kb6 Rb4+
10. Kc5 Rc4+ 11. Kd6 Rd4+ 12. Ke6 Rd6+
13. Kf5 Rf6+ 14. Kg5 Rg6+ 15. Kh4 Rg4+
16. Kh5 Rg5+ 17. Kh6 Rg6+ 18. Kh7 Re6
19. Rd7
19 17.81 ++ 1. ... Rg1+!!
19-> 18.55 5.47 1. ... Rg1+ 2. Kf7 Rf1+ 3. Ke6 Re1+
4. Kd6 Re6+ 5. Kc5 Re5+ 6. Kc4 Re4+
7. Kb5 Rb4+ 8. Ka6 Ra4+ 9. Kb6 Rb4+
10. Kc5 Rc4+ 11. Kd6 Rd4+ 12. Ke6 Rd6+
13. Kf5 Rf6+ 14. Kg5 Rg6+ 15. Kh4 Rg4+
16. Kh5 Rg5+ 17. Kh6 Rg6+ 18. Kh7 Re6
19. Rd7
20 19.32 ++ 1. ... Rg1+!!
20-> 20.66 5.08 1. ... Rg1+ 2. Kf7 Rf1+ 3. Ke6 Re1+
4. Kd6 Re6+ 5. Kc5 Re5+ 6. Kc4 Re4+
7. Kb5 Rb4+ 8. Ka6 Ra4+ 9. Kb6 Rb4+
10. Kc5 Rc4+ 11. Kd6 Rd4+ 12. Ke6 Rd6+
13. Kf5 Rf6+ 14. Kg5 Rg6+ 15. Kh4 Rg4+
16. Kh5 Rg5+ 17. Kh6 Rg6+ 18. Kh7 Re6
19. Rd7
21 22.90 ++ 1. ... Rg1+!!
21-> 24.37 4.69 1. ... Rg1+ 2. Kf7 Rf1+ 3. Ke6 Re1+
4. Kd6 Re6+ 5. Kc5 Re5+ 6. Kc4 Re4+
7. Kb5 Rb4+ 8. Ka6 Ra4+ 9. Kb6 Rb4+
10. Kc5 Rc4+ 11. Kd6 Rd4+ 12. Ke6 Rd6+
13. Kf5 Rf6+ 14. Kg5 Rg6+ 15. Kh4 Rg4+
16. Kh5 Rg5+ 17. Kh6 Rg6+ 18. Kh7 Re6
19. Rd7
22 25.53 ++ 1. ... Rg1+!!
22 26.45 0.01 1. ... Rg1+ 2. Kf7 Rf1+ 3. Ke6 Re1+
4. Kd6 Re6+ 5. Kc5 Re5+ 6. Kc4 Re4+
7. Kd5 Re5+ 8. Kxe5 <EGTB>
22-> 26.80 0.01 1. ... Rg1+ 2. Kf7 Rf1+ 3. Ke6 Re1+
4. Kd6 Re6+ 5. Kc5 Re5+ 6. Kc4 Re4+
7. Kd5 Re5+ 8. Kxe5 <EGTB>
23 28.78 0.01 1. ... Rg1+ 2. Kf7 Rf1+ 3. Ke6 Re1+
4. Kd6 Re6+ 5. Kc5 Re5+ 6. Kc4 Re4+
7. Kd5 Re5+ 8. Kxe5 <EGTB>
23-> 29.06 0.01 1. ... Rg1+ 2. Kf7 Rf1+ 3. Ke6 Re1+
4. Kd6 Re6+ 5. Kc5 Re5+ 6. Kc4 Re4+
7. Kd5 Re5+ 8. Kxe5 <EGTB>
24 31.29 0.01 1. ... Rg1+ 2. Kf7 Rf1+ 3. Ke6 Re1+
4. Kd6 Re6+ 5. Kc5 Re5+ 6. Kc4 Re4+
7. Kd5 Re5+ 8. Kxe5 <EGTB>
24-> 31.89 0.01 1. ... Rg1+ 2. Kf7 Rf1+ 3. Ke6 Re1+
4. Kd6 Re6+ 5. Kc5 Re5+ 6. Kc4 Re4+
7. Kd5 Re5+ 8. Kxe5 <EGTB>
25 34.37 0.01 1. ... Rg1+ 2. Kf7 Rf1+ 3. Ke6 Re1+
4. Kd6 Re6+ 5. Kc5 Re5+ 6. Kc4 Re4+
7. Kd5 Re5+ 8. Kxe5 <EGTB>
25-> 35.29 0.01 1. ... Rg1+ 2. Kf7 Rf1+ 3. Ke6 Re1+
4. Kd6 Re6+ 5. Kc5 Re5+ 6. Kc4 Re4+
7. Kd5 Re5+ 8. Kxe5 <EGTB>
26 38.28 0.01 1. ... Rg1+ 2. Kf7 Rf1+ 3. Ke6 Re1+
4. Kd6 Re6+ 5. Kc5 Re5+ 6. Kc4 Re4+
7. Kd5 Re5+ 8. Kxe5 <EGTB>
26-> 39.23 0.01 1. ... Rg1+ 2. Kf7 Rf1+ 3. Ke6 Re1+
4. Kd6 Re6+ 5. Kc5 Re5+ 6. Kc4 Re4+
7. Kd5 Re5+ 8. Kxe5 <EGTB>
27 42.10 0.01 1. ... Rg1+ 2. Kf7 Rf1+ 3. Ke6 Re1+
4. Kd6 Re6+ 5. Kc5 Re5+ 6. Kc4 Re4+
7. Kd5 Re5+ 8. Kxe5 <EGTB>
27-> 42.93 0.01 1. ... Rg1+ 2. Kf7 Rf1+ 3. Ke6 Re1+
4. Kd6 Re6+ 5. Kc5 Re5+ 6. Kc4 Re4+
7. Kd5 Re5+ 8. Kxe5 <EGTB>
28 46.07 0.01 1. ... Rg1+ 2. Kf7 Rf1+ 3. Ke6 Re1+
4. Kd6 Re6+ 5. Kc5 Re5+ 6. Kc4 Re4+
7. Kd5 Re5+ 8. Kxe5 <EGTB>
28-> 48.02 0.01 1. ... Rg1+ 2. Kf7 Rf1+ 3. Ke6 Re1+
4. Kd6 Re6+ 5. Kc5 Re5+ 6. Kc4 Re4+
7. Kd5 Re5+ 8. Kxe5 <EGTB>
29 51.97 0.01 1. ... Rg1+ 2. Kf7 Rf1+ 3. Ke6 Re1+
4. Kd6 Re6+ 5. Kc5 Re5+ 6. Kc4 Re4+
7. Kd5 Re5+ 8. Kxe5 <EGTB>
29-> 53.24 0.01 1. ... Rg1+ 2. Kf7 Rf1+ 3. Ke6 Re1+
4. Kd6 Re6+ 5. Kc5 Re5+ 6. Kc4 Re4+
7. Kd5 Re5+ 8. Kxe5 <EGTB>
30 58.64 0.01 1. ... Rg1+ 2. Kf7 Rf1+ 3. Ke6 Re1+
4. Kd6 Re6+ 5. Kc5 Re5+ 6. Kc4 Re4+
7. Kd5 Re5+ 8. Kxe5 <EGTB>
30-> 1:00 0.01 1. ... Rg1+ 2. Kf7 Rf1+ 3. Ke6 Re1+
4. Kd6 Re6+ 5. Kc5 Re5+ 6. Kc4 Re4+
7. Kd5 Re5+ 8. Kxe5 <EGTB>
31 1:07 0.01 1. ... Rg1+ 2. Kf7 Rf1+ 3. Ke6 Re1+
4. Kd6 Re6+ 5. Kc5 Re5+ 6. Kc4 Re4+
7. Kd5 Re5+ 8. Kxe5 <EGTB>
31-> 1:09 0.01 1. ... Rg1+ 2. Kf7 Rf1+ 3. Ke6 Re1+
4. Kd6 Re6+ 5. Kc5 Re5+ 6. Kc4 Re4+
7. Kd5 Re5+ 8. Kxe5 <EGTB>
32 1:17 0.01 1. ... Rg1+ 2. Kf7 Rf1+ 3. Ke6 Re1+
4. Kd6 Re6+ 5. Kc5 Re5+ 6. Kc4 Re4+
7. Kd5 Re5+ 8. Kxe5 <EGTB>
32-> 1:20 0.01 1. ... Rg1+ 2. Kf7 Rf1+ 3. Ke6 Re1+
4. Kd6 Re6+ 5. Kc5 Re5+ 6. Kc4 Re4+
7. Kd5 Re5+ 8. Kxe5 <EGTB>
33 1:30 0.01 1. ... Rg1+ 2. Kf7 Rf1+ 3. Ke6 Re1+
4. Kd6 Re6+ 5. Kc5 Re5+ 6. Kc4 Re4+
7. Kd5 Re5+ 8. Kxe5 <EGTB>
33-> 1:32 0.01 1. ... Rg1+ 2. Kf7 Rf1+ 3. Ke6 Re1+
4. Kd6 Re6+ 5. Kc5 Re5+ 6. Kc4 Re4+
7. Kd5 Re5+ 8. Kxe5 <EGTB>
34 1:44 0.01 1. ... Rg1+ 2. Kf7 Rf1+ 3. Ke6 Re1+
4. Kd6 Re6+ 5. Kc5 Re5+ 6. Kc4 Re4+
7. Kd5 Re5+ 8. Kxe5 <EGTB>
34-> 1:47 0.01 1. ... Rg1+ 2. Kf7 Rf1+ 3. Ke6 Re1+
4. Kd6 Re6+ 5. Kc5 Re5+ 6. Kc4 Re4+
7. Kd5 Re5+ 8. Kxe5 <EGTB>
35 2:03 0.01 1. ... Rg1+ 2. Kf7 Rf1+ 3. Ke6 Re1+
4. Kd6 Re6+ 5. Kc5 Re5+ 6. Kc4 Re4+
7. Kd5 Re5+ 8. Kxe5 <EGTB>
35-> 2:13 0.01 1. ... Rg1+ 2. Kf7 Rf1+ 3. Ke6 Re1+
4. Kd6 Re6+ 5. Kc5 Re5+ 6. Kc4 Re4+
7. Kd5 Re5+ 8. Kxe5 <EGTB>
36 2:35 0.01 1. ... Rg1+ 2. Kf7 Rf1+ 3. Ke6 Re1+
4. Kd6 Re6+ 5. Kc5 Re5+ 6. Kc4 Re4+
7. Kd5 Re5+ 8. Kxe5 <EGTB>
36 3:30 3/13* 1. ... Re4
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Last modified: Thu, 15 Apr 21 08:11:13 -0700
Current Computer Chess Club Forums at Talkchess. This site by Sean Mintz.