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Subject: Re: Crafty 14.1 makes a horrible blunder

Author: Robert Hyatt

Date: 14:14:03 11/22/97

Go up one level in this thread


On November 22, 1997 at 16:18:00, Darrin Moon wrote:


the problem is obvious looking at the log files.  You have corrupted
endgame databases.  There are *no* mate in 44's in the 3-4 piece
endings,
so you have something wrong.  Most likely one or more (or all) are
corrupted.

Here is a complete list of the3-4 piece files and their sizes.  There
must
be *no* deviations in file size:

-rw-r--r--   1 hyatt    chess     2621440 May  5  1997 KBBK.tbb
-rw-r--r--   1 hyatt    chess     2621440 May  5  1997 KBBK.tbw
-rw-r--r--   1 hyatt    chess     2621440 May  5  1997 KBKB.tbb
-rw-r--r--   1 hyatt    chess     2621440 May  5  1997 KBKB.tbw
-rw-r--r--   1 hyatt    chess     2621440 May  5  1997 KBKN.tbb
-rw-r--r--   1 hyatt    chess     2621440 May  5  1997 KBKN.tbw
-rw-r--r--   1 hyatt    chess     8388608 May  5  1997 KBKP.tbb
-rw-r--r--   1 hyatt    chess     8388608 May  5  1997 KBKP.tbw
-rw-r--r--   1 hyatt    chess     2621440 May  5  1997 KBNK.tbb
-rw-r--r--   1 hyatt    chess     2621440 May  5  1997 KBNK.tbw
-rw-r--r--   1 hyatt    chess     8388608 May  5  1997 KBPK.tbb
-rw-r--r--   1 hyatt    chess     8388608 May  5  1997 KBPK.tbw
-rw-r--r--   1 hyatt    chess     2621440 May  5  1997 KNKN.tbb
-rw-r--r--   1 hyatt    chess     2621440 May  5  1997 KNKN.tbw
-rw-r--r--   1 hyatt    chess     8388608 May  5  1997 KNKP.tbb
-rw-r--r--   1 hyatt    chess     8388608 May  5  1997 KNKP.tbw
-rw-r--r--   1 hyatt    chess     2621440 May  5  1997 KNNK.tbb
-rw-r--r--   1 hyatt    chess     2621440 May  5  1997 KNNK.tbw
-rw-r--r--   1 hyatt    chess     8388608 May  5  1997 KNPK.tbb
-rw-r--r--   1 hyatt    chess     8388608 May  5  1997 KNPK.tbw
-rw-r--r--   1 hyatt    chess      131072 May  5  1997 KPK.tbb
-rw-r--r--   1 hyatt    chess      131072 May  5  1997 KPK.tbw
-rw-r--r--   1 hyatt    chess     8388608 May  5  1997 KPKP.tbb
-rw-r--r--   1 hyatt    chess     8388608 May  5  1997 KPKP.tbw
-rw-r--r--   1 hyatt    chess     8388608 May  5  1997 KPPK.tbb
-rw-r--r--   1 hyatt    chess     8388608 May  5  1997 KPPK.tbw
-rw-r--r--   1 hyatt    chess     2621440 May  5  1997 KQBK.tbb
-rw-r--r--   1 hyatt    chess     2621440 May  5  1997 KQBK.tbw
-rw-r--r--   1 hyatt    chess       40960 May  5  1997 KQK.tbb
-rw-r--r--   1 hyatt    chess       40960 May  5  1997 KQK.tbw
-rw-r--r--   1 hyatt    chess     2621440 May  5  1997 KQKB.tbb
-rw-r--r--   1 hyatt    chess     2621440 May  5  1997 KQKB.tbw
-rw-r--r--   1 hyatt    chess     2621440 May  5  1997 KQKN.tbb
-rw-r--r--   1 hyatt    chess     2621440 May  5  1997 KQKN.tbw
-rw-r--r--   1 hyatt    chess     8388608 May  5  1997 KQKP.tbb
-rw-r--r--   1 hyatt    chess     8388608 May  5  1997 KQKP.tbw
-rw-r--r--   1 hyatt    chess     2621440 May  5  1997 KQKQ.tbb
-rw-r--r--   1 hyatt    chess     2621440 May  5  1997 KQKQ.tbw
-rw-r--r--   1 hyatt    chess     2621440 May  5  1997 KQKR.tbb
-rw-r--r--   1 hyatt    chess     2621440 May  5  1997 KQKR.tbw
-rw-r--r--   1 hyatt    chess     2621440 May  5  1997 KQNK.tbb
-rw-r--r--   1 hyatt    chess     2621440 May  5  1997 KQNK.tbw
-rw-r--r--   1 hyatt    chess     8388608 May  5  1997 KQPK.tbb
-rw-r--r--   1 hyatt    chess     8388608 May  5  1997 KQPK.tbw
-rw-r--r--   1 hyatt    chess     2621440 May  5  1997 KQQK.tbb
-rw-r--r--   1 hyatt    chess     2621440 May  5  1997 KQQK.tbw
-rw-r--r--   1 hyatt    chess     2621440 May  5  1997 KQRK.tbb
-rw-r--r--   1 hyatt    chess     2621440 May  5  1997 KQRK.tbw
-rw-r--r--   1 hyatt    chess     2621440 May  5  1997 KRBK.tbb
-rw-r--r--   1 hyatt    chess     2621440 May  5  1997 KRBK.tbw
-rw-r--r--   1 hyatt    chess       40960 May  5  1997 KRK.tbb
-rw-r--r--   1 hyatt    chess       40960 May  5  1997 KRK.tbw
-rw-r--r--   1 hyatt    chess     2621440 May  5  1997 KRKB.tbb
-rw-r--r--   1 hyatt    chess     2621440 May  5  1997 KRKB.tbw
-rw-r--r--   1 hyatt    chess     2621440 May  5  1997 KRKN.tbb
-rw-r--r--   1 hyatt    chess     2621440 May  5  1997 KRKN.tbw
-rw-r--r--   1 hyatt    chess     8388608 May  5  1997 KRKP.tbb
-rw-r--r--   1 hyatt    chess     8388608 May  5  1997 KRKP.tbw
-rw-r--r--   1 hyatt    chess     2621440 May  5  1997 KRKR.tbb
-rw-r--r--   1 hyatt    chess     2621440 May  5  1997 KRKR.tbw
-rw-r--r--   1 hyatt    chess     2621440 May  5  1997 KRNK.tbb
-rw-r--r--   1 hyatt    chess     2621440 May  5  1997 KRNK.tbw
-rw-r--r--   1 hyatt    chess     8388608 May  5  1997 KRPK.tbb
-rw-r--r--   1 hyatt    chess     8388608 May  5  1997 KRPK.tbw
-rw-r--r--   1 hyatt    chess     2621440 May  5  1997 KRRK.tbb
-rw-r--r--   1 hyatt    chess     2621440 May  5  1997 KRRK.tbw



>Here is the log starting with black's 71st move:
>
>              clearing transposition table
>              clearing pawn hash tables
>              time surplus  15:00  time limit 1:00 (6:00)
>              depth   time  score   variation (1)
>                6     0.94   5.38   Bg3 Rg1 Bf2+ Kc4 Bxg1 Kd5 Bd4
>                6->   1.04   5.38   Bg3 Rg1 Bf2+ Kc4 Bxg1 Kd5 Bd4
>                7     1.18     ++   Bg3!!
>                7     1.59   7.50   Bg3 Rc1 Be1 Rc5+ Kg4 Rc4 g1=Q+ Ke5+
>                                    Kg5 Re4
>                7->   1.70   7.50   Bg3 Rc1 Be1 Rc5+ Kg4 Rc4 g1=Q+ Ke5+
>                                    Kg5 Re4
>                8     2.46   7.64   Bg3 Rc1 Be1 Rc5+ Kg4 Rc4 g1=Q+ Ke4
>                                    Bd2 Ke5+ Kg3
>                8->   2.66   7.64   Bg3 Rc1 Be1 Rc5+ Kg4 Rc4 g1=Q+ Ke4
>                                    Bd2 Ke5+ Kg3
>                9     4.37   7.69   Bg3 Rc1 Be1 Rc5+ Kg4 Rc4 g1=Q+ Ke5+
>                                    Kg5 Ke4 Qg2+ Ke5 Bd2
>                9->   5.01   7.69   Bg3 Rc1 Be1 Rc5+ Kg4 Rc4 g1=Q+ Ke5+
>                                    Kg5 Ke4 Qg2+ Ke5 Bd2
>               10    12.77   7.86   Bg3 Rc1 Be1 Rc5+ Kf4 Kd5 g1=Q Rc4+
>                                    Kf5 Rc5 Bf2 Rc3 Bd4
>               10->  14.82   7.86   Bg3 Rc1 Be1 Rc5+ Kf4 Kd5 g1=Q Rc4+
>                                    Kf5 Rc5 Bf2 Rc3 Bd4
>               11    26.46   7.92   Bg3 Rc1 Be1 Rc5+ Kf4 Kd5 g1=Q Rc4+
>                                    Kf5 Rc5 Bf2 Rb5 Bd4 Rb8
>               11->  29.22   7.92   Bg3 Rc1 Be1 Rc5+ Kf4 Kd5 g1=Q Rc4+
>                                    Kf5 Rc5 Bf2 Rb5 Bd4 Rb8
>               12    57.97   7.98   Bg3 Rc1 Be1 Rc5+ Kf4 Kd5 g1=Q Rc4+
>                                    Kf5 Rc5 Qe3 Kd6+ Kf6 Kc6 Qe6+ Kb5
>Bd2
>              time:  1:37  cpu:100%  mat:7  n:2609991  nps:26843
>              ext-> checks:258939 recaps:30 pawns:11035 1rep:64369
>              predicted:0  nodes:2609991  evals:776988
>              endgame tablebase-> probes done: 301254  successful: 7954
>              hashing-> trans/ref:47%  pawn:99%  used:w92% b78%
>Black(71): Bg3
>              time used:   1:37
>
>       +---+---+---+---+---+---+---+---+
>    8  |   |   |   |   |   |   |   |   |
>       +---+---+---+---+---+---+---+---+
>    7  |   |   |   |   |   |   |   |   |
>       +---+---+---+---+---+---+---+---+
>    6  |   |   |   |   |   |   |   |   |
>       +---+---+---+---+---+---+---+---+
>    5  |   |   |   |   |   | *K|   |   |
>       +---+---+---+---+---+---+---+---+
>    4  |   |   |   | K |   |   |   |   |
>       +---+---+---+---+---+---+---+---+
>    3  |   |   |   |   |   |   | *B|   |
>       +---+---+---+---+---+---+---+---+
>    2  |   |   |   |   |   |   | *P|   |
>       +---+---+---+---+---+---+---+---+
>    1  |   |   |   |   | R |   |   |   |
>       +---+---+---+---+---+---+---+---+
>         a   b   c   d   e   f   g   h
>
>White(72): Rc1 [pondering]
>              time surplus  13:52  time limit 1:00 (6:00)
>              depth   time  score   variation (11)
>White(72): time 110097
>time remaining:  18:20 (crafty).
>White(72): otim 117298
>time remaining:  19:32 (opponent).
>White(72): e1c1
>predicted move made.
>               11    31.33   8.04   Be1 Rc5+ Kf4 Kd5 g1=Q Rc4+ Kf5 Rc5
>                                    Qe3 Kd6+ Kf6 Kc6 Bc3 Rd5 Bd4
>               11->  53.11   8.04   Be1 Rc5+ Kf4 Kd5 g1=Q Rc4+ Kf5 Rc5
>                                    Qe3 Kd6+ Kf6 Kc6 Bc3 Rd5 Bd4
>              time:  1:00  cpu:100%  mat:7  n:1798488  nps:29751
>              ext-> checks:203210 recaps:42 pawns:3440 1rep:40198
>              predicted:1  nodes:1798488  evals:624283
>              endgame tablebase-> probes done: 172063  successful: 3560
>              hashing-> trans/ref:38%  pawn:99%  used:w88% b63%
>              time used:  28.03
>Black(72): Be1
>              time used:  32.54
>
>       +---+---+---+---+---+---+---+---+
>    8  |   |   |   |   |   |   |   |   |
>       +---+---+---+---+---+---+---+---+
>    7  |   |   |   |   |   |   |   |   |
>       +---+---+---+---+---+---+---+---+
>    6  |   |   |   |   |   |   |   |   |
>       +---+---+---+---+---+---+---+---+
>    5  |   |   |   |   |   | *K|   |   |
>       +---+---+---+---+---+---+---+---+
>    4  |   |   |   | K |   |   |   |   |
>       +---+---+---+---+---+---+---+---+
>    3  |   |   |   |   |   |   |   |   |
>       +---+---+---+---+---+---+---+---+
>    2  |   |   |   |   |   |   | *P|   |
>       +---+---+---+---+---+---+---+---+
>    1  |   |   | R |   | *B|   |   |   |
>       +---+---+---+---+---+---+---+---+
>         a   b   c   d   e   f   g   h
>
>White(73): Rc5+ [pondering]
>              time surplus  13:48  time limit 1:00 (6:00)
>              depth   time  score   variation (10)
>White(73): time 106741
>time remaining:  17:47 (crafty).
>White(73): otim 116798
>time remaining:  19:27 (opponent).
>White(73): c1e1
>              time used:   5.93
>              time surplus  13:47  time limit 1:00 (6:00)
>              depth   time  score   variation (1)
>                1     0.00  Mat44   g1=Q+ <EGTB>
>                1->   0.00  Mat44   g1=Q+ <EGTB>
>                2     0.00  Mat44   g1=Q+ <EGTB>
>                2->   0.01  Mat44   g1=Q+ <EGTB>
>              time:  0.06  cpu:100%  mat:4  n:27  nps:35673
>              ext-> checks:4 recaps:0 pawns:0 1rep:0
>              predicted:1  nodes:27  evals:5
>              endgame tablebase-> probes done: 11  successful: 3
>              hashing-> trans/ref:21%  pawn:90%  used:w0% b0%
>
>Crafty will mate in 44 moves.
>
>Black(73): g1=Q+
>              time used:   0.06
>
>       +---+---+---+---+---+---+---+---+
>    8  |   |   |   |   |   |   |   |   |
>       +---+---+---+---+---+---+---+---+
>    7  |   |   |   |   |   |   |   |   |
>       +---+---+---+---+---+---+---+---+
>    6  |   |   |   |   |   |   |   |   |
>       +---+---+---+---+---+---+---+---+
>    5  |   |   |   |   |   | *K|   |   |
>       +---+---+---+---+---+---+---+---+
>    4  |   |   |   | K |   |   |   |   |
>       +---+---+---+---+---+---+---+---+
>    3  |   |   |   |   |   |   |   |   |
>       +---+---+---+---+---+---+---+---+
>    2  |   |   |   |   |   |   |   |   |
>       +---+---+---+---+---+---+---+---+
>    1  |   |   |   |   | R |   | *Q|   |
>       +---+---+---+---+---+---+---+---+
>         a   b   c   d   e   f   g   h
>
>
>
>
>
>Here is my crafty.rc file
>log on
>hash 16M
>hashp 2M
>learn 3
>ponder on
>resign 5
>book random 4
>book width 5
>level 40/20/0
>show book
>name MoonD



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