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Subject: Re: Epd bugs all resolved except one:

Author: Dann Corbit

Date: 17:12:54 01/08/99

Go up one level in this thread


On January 08, 1999 at 19:53:58, Steven J. Edwards wrote:

>On January 08, 1999 at 19:13:14, John Stanback wrote:
>
>>I don't think that the "0 1" before the bm opcode should
>>be included in EPD records.
>>
>>John
>
>You are correct, of course.  These are the halfmove clock and the fullmove
>number and appear as such in FEN.
>
>In EPD, they would be expressed as the two operations:
>
>     hmvc 0; fmvn 1;
Yet there is some sort of bug, since crafty can anayze the position on its own.
Here, I analyzed the position:
2q4p/1kp4p/1pbp2p1/p7/P1Q5/1P3NP1/2P3BP/2K5 w - - bm Qxc6+; id "YAZ.69"; using
Crafty from epd2diag, which does not employ epd processing:

              clearing hash tables
              time surplus   0.00  time limit 30.00 (3:00)
              depth   time  score   variation (1)
                4     0.16   1.67   1. Kd1 h5 2. Qf7 Be4
                4->   0.23   1.67   1. Kd1 h5 2. Qf7 Be4
                5     0.35   1.58   1. Kd1 h5 2. Qf7 Be4 3. Nh4
                5->   0.45   1.58   1. Kd1 h5 2. Qf7 Be4 3. Nh4
                6     0.99   1.69   1. Kd1 h5 2. Nh4 Bxg2 3. Nxg2 Qh3 4.
                                    Qd5+ c6
                6     1.04     ++   1. Qxc6+!!
                6     1.56   6.43   1. Qxc6+ Ka7 2. Nd4 d5 3. Bxd5 Ka6
                                    4. Kd2
                6->   1.59   6.43   1. Qxc6+ Ka7 2. Nd4 d5 3. Bxd5 Ka6
                                    4. Kd2
                7     1.78     ++   1. Qxc6+!!
                7->   1.92   6.82   1. Qxc6+ Ka7 2. Nd4 d5 3. Bxd5 Ka6
                                    4. Kd2
                8     2.02     ++   1. Qxc6+!!
                8     3.31   7.52   1. Qxc6+ Ka6 2. Nd4 d5 3. Bxd5 Ka7
                                    4. Nb5+ Ka6 5. Nxc7+ Ka7 6. Kd2
                8->   3.42   7.52   1. Qxc6+ Ka6 2. Nd4 d5 3. Bxd5 Ka7
                                    4. Nb5+ Ka6 5. Nxc7+ Ka7 6. Kd2
                9     3.85     ++   1. Qxc6+!!
                9     5.52  12.21   1. Qxc6+ Ka6 2. Nd4 d5 3. Bxd5 g5 4.
                                    Qb5+ Ka7 5. Nc6+ Kb7 6. Ne7+ c6 7.
                                    Bxc6+ Qxc6 8. Nxc6
                9->   5.78  12.21   1. Qxc6+ Ka6 2. Nd4 d5 3. Bxd5 g5 4.
                                    Qb5+ Ka7 5. Nc6+ Kb7 6. Ne7+ c6 7.
                                    Bxc6+ Qxc6 8. Nxc6
               10     6.78     ++   1. Qxc6+!!
               10    12.86  13.41   1. Qxc6+ Ka6 2. Nd4 d5 3. Bxd5 h6 4.
                                    Qb5+ Ka7 5. Nc6+ Kb7 6. Ne7+ c6 7.
                                    Bxc6+ Qxc6 8. Qxc6+ Ka7 9. Nc8+ Ka6
                                    10. Nxb6
               10->  13.49  13.41   1. Qxc6+ Ka6 2. Nd4 d5 3. Bxd5 h6 4.
                                    Qb5+ Ka7 5. Nc6+ Kb7 6. Ne7+ c6 7.
                                    Bxc6+ Qxc6 8. Qxc6+ Ka7 9. Nc8+ Ka6
                                    10. Nxb6
               11    18.27     ++   1. Qxc6+!!
               11     7:29  Mat09   1. Qxc6+ Ka6 2. Nd4 d5 3. Bxd5 h6 4.
                                    Bc4+ Ka7 5. Nb5+ Ka6 6. Nd6+ Ka7 7.
                                    Nxc8+ Kb8 8. Ba6 h7 9. Qb7#
               11->   7:33  Mat09   1. Qxc6+ Ka6 2. Nd4 d5 3. Bxd5 h6 4.
                                    Bc4+ Ka7 5. Nb5+ Ka6 6. Nd6+ Ka7 7.
                                    Nxc8+ Kb8 8. Ba6 h7 9. Qb7#
              time=7:33  cpu=101%  mat=1  n=74599343  fh=98%  nps=164518
              ext-> checks=7271174 recaps=238399 pawns=190644 1rep=1893609
              predicted=0  nodes=74599343  evals=83993
              endgame tablebase-> probes done=0  successful=0  maxd=32

Yet when I try to run epdpfga on the same data object using epdpfga processing:

E:\epd>type fixed.epd
2q4p/1kp4p/1pbp2p1/p7/P1Q5/1P3NP1/2P3BP/2K5 w - - bm Qxc6+; id "YAZ.69";

E:\epd>h:crafty2
EPD Kit revision date: 1996.04.21
unable to open book file [e:/crafty/release/book.bin].
book is disabled
unable to open book file [e:/crafty/release/books.bin].
search time set to 0.01.
using cpu time
Crafty 16.3 vs ferret
pondering enabled.
EGTB cache memory = 16M bytes.
hash table memory = 48M bytes.
pawn hash table memory = 8M bytes.
play best book line after search.
EGTB access enabled
using tbpath=e:/crafty/release/tb
4 piece tablebase files found
don't display time for moves played in game.
don't display PV each time it changes.
don't display PV at end of each iteration.
don't.display statistics at end of each search.
don't display extended statistics at end of each search.
don't display move numbers in variations.
don't display ply-1 moves as they are searched.

White(1): epdpfga fixed.epd fixed.out
EG fault: a problem occurred during epdpfga processing
White(1):



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