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Subject: Re: I guess I broke something

Author: Slater Wold

Date: 21:29:34 04/23/02

Go up one level in this thread


On April 23, 2002 at 23:01:10, Robert Hyatt wrote:

>On April 23, 2002 at 20:36:23, Slater Wold wrote:
>
>>I saw this for the first time the last nite; from an autoplayed game:
>>
>>Black(15): Rac8 [pondering]
>>              time limit 2:55 (20:28)
>>         nss  depth   time  score   variation (8)
>>                9    11.02  -0.05   16. Na4 Qd8 17. Nc5 Bxc5 18. dxc5 e5
>>                                    19. Bb5 d4 20. Bg5 h6
>>                9     1:00   0.11   16. Qd2 Qd8 17. Rac1 Qe7 18. Bf4 Bxf4
>>                                    19. Qxf4 Nh5 20. Qg4 Qf7
>>         (3)    9->   1:59   0.11   16. Qd2 Qd8 17. Rac1 Qe7 18. Bf4 Bxf4
>>                                    19. Qxf4 Nh5 20. Qg4 Qf7
>>Black(15): a8c8
>>predicted move made.
>>**bad move from hash table, ply=11**
>>              time=2:55  cpu=199%  mat=0  n=257159262  fh=98%  nps=1463k
>>              ext-> chk=3574490 cap=1436502 pp=135962 1rep=240170 mate=0 sing=0
>>              predicted=15  nodes=257159262  evals=0
>>              endgame tablebase-> probes done=0  successful=0
>>              hashing-> trans/ref=24%  pawn=99%  used=99%
>>              SMP->  split=66  stop=9  data=5/32  cpu=5:50  elap=2:55
>>              time used:   1:59
>>
>>
>>I understand the error, but not what could be causing it.
>>
>>This is the version with SE, and no null move.  Other than that, it's fairly
>>untouched.
>>
>>
>>Thanks!
>
>
>There is a 50% chance it was just a hash signature collision.  Two different
>chess positions produced the same hash signature.  The move in that hash entry
>was unfortunately illegal, which was reported above.  I just checked the last
>300 logs I have and I didn't see any.
>
>It is therefore possible that the SE implementation stored an invalid move
>directly, rather than having a key signature collision...  Which it was would
>be impossible to say unless you can reproduce it...

I lied.  I *did* edit the 1rep extensions.  Because it's using SE, I lowered the
1rep extensions.  That is however, the *only* thing other than SE I modified.

I just ran a game, and uh, this is pretty bad:

Black(18): Bh5 [pondering]
              time limit 2:48 (19:37)
         nss  depth   time  score   variation (8)
bad move from hash table, ply=11
bad move from hash table, ply=9
bad move from hash table, ply=9
bad move from hash table, ply=7
                9    11.05   0.24   19. g4 Bg6 20. Bxg6 hxg6 21. Ng5 Qd7
                                    22. Qd3 Qe8 23. Nb5 Bc7 24. Nxc7 Rxc7
bad move from hash table, ply=13
bad move from hash table, ply=8
                9->  42.80   0.24   19. g4 Bg6 20. Bxg6 hxg6 21. Ng5 Qd7
                                    22. Qd3 Qe8 23. Nb5 Bc7 24. Nxc7 Rxc7
bad move from hash table, ply=10
bad move from hash table, ply=9
bad move from hash table, ply=9
bad move from hash table, ply=9
bad move from hash table, ply=9
bad move from hash table, ply=9
bad move from hash table, ply=11
bad move from hash table, ply=11
bad move from hash table, ply=11
bad move from hash table, ply=9
bad move from hash table, ply=9
bad move from hash table, ply=11
bad move from hash table, ply=11
bad move from hash table, ply=9
bad move from hash table, ply=9
bad move from hash table, ply=7
bad move from hash table, ply=9
bad move from hash table, ply=9
bad move from hash table, ply=9
bad move from hash table, ply=9
bad move from hash table, ply=11
bad move from hash table, ply=9
bad move from hash table, ply=8
bad move from hash table, ply=8
bad move from hash table, ply=8
bad move from hash table, ply=8
bad move from hash table, ply=12
bad move from hash table, ply=12
bad move from hash table, ply=12
bad move from hash table, ply=12
bad move from hash table, ply=12
bad move from hash table, ply=12
bad move from hash table, ply=12
bad move from hash table, ply=10
bad move from hash table, ply=10
bad move from hash table, ply=10
bad move from hash table, ply=12
bad move from hash table, ply=10
bad move from hash table, ply=8
bad move from hash table, ply=8
bad move from hash table, ply=8
bad move from hash table, ply=10
bad move from hash table, ply=10
bad move from hash table, ply=10
bad move from hash table, ply=10
bad move from hash table, ply=10
bad move from hash table, ply=10
bad move from hash table, ply=10
bad move from hash table, ply=12
bad move from hash table, ply=12
bad move from hash table, ply=12
bad move from hash table, ply=12
bad move from hash table, ply=12
bad move from hash table, ply=12
bad move from hash table, ply=10
bad move from hash table, ply=10
bad move from hash table, ply=10
bad move from hash table, ply=12
bad move from hash table, ply=10
bad move from hash table, ply=10
bad move from hash table, ply=10
bad move from hash table, ply=10
bad move from hash table, ply=10
bad move from hash table, ply=10
bad move from hash table, ply=10
bad move from hash table, ply=10
bad move from hash table, ply=10
bad move from hash table, ply=8
bad move from hash table, ply=8
bad move from hash table, ply=10
bad move from hash table, ply=10
bad move from hash table, ply=8
bad move from hash table, ply=10
bad move from hash table, ply=10
bad move from hash table, ply=8
bad move from hash table, ply=8
bad move from hash table, ply=10
bad move from hash table, ply=8
bad move from hash table, ply=10
bad move from hash table, ply=8
bad move from hash table, ply=10
bad move from hash table, ply=8
bad move from hash table, ply=10
bad move from hash table, ply=8
bad move from hash table, ply=10
bad move from hash table, ply=10
bad move from hash table, ply=10
bad move from hash table, ply=10
bad move from hash table, ply=10
bad move from hash table, ply=10
bad move from hash table, ply=8
bad move from hash table, ply=10
bad move from hash table, ply=10
bad move from hash table, ply=10
bad move from hash table, ply=10
bad move from hash table, ply=10
bad move from hash table, ply=10
bad move from hash table, ply=10
bad move from hash table, ply=10
bad move from hash table, ply=10
bad move from hash table, ply=10
bad move from hash table, ply=10
bad move from hash table, ply=10
bad move from hash table, ply=10
bad move from hash table, ply=10
bad move from hash table, ply=10
bad move from hash table, ply=10
bad move from hash table, ply=10
bad move from hash table, ply=10
bad move from hash table, ply=11
bad move from hash table, ply=10
bad move from hash table, ply=10
bad move from hash table, ply=11
bad move from hash table, ply=10
bad move from hash table, ply=10
bad move from hash table, ply=11
bad move from hash table, ply=8
bad move from hash table, ply=10
bad move from hash table, ply=10
bad move from hash table, ply=8
bad move from hash table, ply=8
bad move from hash table, ply=10
bad move from hash table, ply=8
bad move from hash table, ply=8
bad move from hash table, ply=10
bad move from hash table, ply=8
bad move from hash table, ply=8
bad move from hash table, ply=8
bad move from hash table, ply=8
bad move from hash table, ply=10
bad move from hash table, ply=8
bad move from hash table, ply=12
bad move from hash table, ply=10
bad move from hash table, ply=10
bad move from hash table, ply=11
bad move from hash table, ply=9
bad move from hash table, ply=11
bad move from hash table, ply=11
bad move from hash table, ply=9
bad move from hash table, ply=9
bad move from hash table, ply=9
bad move from hash table, ply=11
bad move from hash table, ply=11
bad move from hash table, ply=11
bad move from hash table, ply=9
bad move from hash table, ply=9
bad move from hash table, ply=9
bad move from hash table, ply=10
Black(18): e8h5
predicted move made.
bad move from hash table, ply=11
bad move from hash table, ply=11
bad move from hash table, ply=11
bad move from hash table, ply=9
bad move from hash table, ply=9
bad move from hash table, ply=9
bad move from hash table, ply=11
bad move from hash table, ply=11
bad move from hash table, ply=11
bad move from hash table, ply=9
bad move from hash table, ply=11
bad move from hash table, ply=9
bad move from hash table, ply=11
bad move from hash table, ply=11
bad move from hash table, ply=11
bad move from hash table, ply=11
bad move from hash table, ply=11
bad move from hash table, ply=11
bad move from hash table, ply=11
bad move from hash table, ply=11
bad move from hash table, ply=9
bad move from hash table, ply=9
bad move from hash table, ply=9
bad move from hash table, ply=11
bad move from hash table, ply=11
bad move from hash table, ply=11
bad move from hash table, ply=11
bad move from hash table, ply=9
bad move from hash table, ply=9
bad move from hash table, ply=9
bad move from hash table, ply=11
bad move from hash table, ply=9
bad move from hash table, ply=11
bad move from hash table, ply=9
bad move from hash table, ply=11
bad move from hash table, ply=11
bad move from hash table, ply=11
bad move from hash table, ply=11
bad move from hash table, ply=11
bad move from hash table, ply=11
bad move from hash table, ply=9
bad move from hash table, ply=9
bad move from hash table, ply=9
bad move from hash table, ply=11
bad move from hash table, ply=11
bad move from hash table, ply=9
bad move from hash table, ply=11
bad move from hash table, ply=11
bad move from hash table, ply=11
bad move from hash table, ply=11
bad move from hash table, ply=11
bad move from hash table, ply=11
bad move from hash table, ply=11
bad move from hash table, ply=11
bad move from hash table, ply=11
bad move from hash table, ply=11
bad move from hash table, ply=9
bad move from hash table, ply=9
bad move from hash table, ply=9
bad move from hash table, ply=9
bad move from hash table, ply=9
bad move from hash table, ply=9
bad move from hash table, ply=9
bad move from hash table, ply=9
bad move from hash table, ply=9
bad move from hash table, ply=9
bad move from hash table, ply=9
bad move from hash table, ply=9
bad move from hash table, ply=9
bad move from hash table, ply=9
bad move from hash table, ply=9
bad move from hash table, ply=9
bad move from hash table, ply=9
               10     2:32   0.19   19. g4 Bf7 20. Bf4 Bxf4 21. Qxf4 Nd7
                                    22. Qe3 h6 23. Nb5 Qf6 24. Nd6
bad move from hash table, ply=10
bad move from hash table, ply=12
bad move from hash table, ply=12
bad move from hash table, ply=12
bad move from hash table, ply=10
bad move from hash table, ply=10
bad move from hash table, ply=12
bad move from hash table, ply=10
bad move from hash table, ply=10
bad move from hash table, ply=10
bad move from hash table, ply=10
bad move from hash table, ply=10
bad move from hash table, ply=10
bad move from hash table, ply=10
bad move from hash table, ply=12
bad move from hash table, ply=10
bad move from hash table, ply=12
bad move from hash table, ply=10
bad move from hash table, ply=10
bad move from hash table, ply=12
bad move from hash table, ply=10
bad move from hash table, ply=10
bad move from hash table, ply=10
bad move from hash table, ply=10
bad move from hash table, ply=10
bad move from hash table, ply=10
bad move from hash table, ply=10
bad move from hash table, ply=10
bad move from hash table, ply=10
bad move from hash table, ply=10
bad move from hash table, ply=10
bad move from hash table, ply=10
bad move from hash table, ply=10
bad move from hash table, ply=10
bad move from hash table, ply=10
bad move from hash table, ply=10
bad move from hash table, ply=10
bad move from hash table, ply=10
bad move from hash table, ply=10
bad move from hash table, ply=10
bad move from hash table, ply=10
bad move from hash table, ply=10
bad move from hash table, ply=10
bad move from hash table, ply=10
bad move from hash table, ply=10
bad move from hash table, ply=10
bad move from hash table, ply=10
bad move from hash table, ply=10
bad move from hash table, ply=10
bad move from hash table, ply=10
bad move from hash table, ply=10
bad move from hash table, ply=8
bad move from hash table, ply=8
bad move from hash table, ply=10
bad move from hash table, ply=10
bad move from hash table, ply=10
bad move from hash table, ply=10
bad move from hash table, ply=10
bad move from hash table, ply=8
bad move from hash table, ply=10
bad move from hash table, ply=10
bad move from hash table, ply=10
bad move from hash table, ply=10
bad move from hash table, ply=8
bad move from hash table, ply=10
bad move from hash table, ply=10
bad move from hash table, ply=10
bad move from hash table, ply=10
bad move from hash table, ply=10
bad move from hash table, ply=10
bad move from hash table, ply=8
bad move from hash table, ply=10
bad move from hash table, ply=10
bad move from hash table, ply=10
bad move from hash table, ply=10
bad move from hash table, ply=10
bad move from hash table, ply=10
bad move from hash table, ply=10
bad move from hash table, ply=10
bad move from hash table, ply=10
bad move from hash table, ply=10
bad move from hash table, ply=10
bad move from hash table, ply=10
bad move from hash table, ply=10
bad move from hash table, ply=10
bad move from hash table, ply=10
bad move from hash table, ply=8
bad move from hash table, ply=12
bad move from hash table, ply=12
bad move from hash table, ply=10
bad move from hash table, ply=10
bad move from hash table, ply=10
bad move from hash table, ply=10
bad move from hash table, ply=10
bad move from hash table, ply=12
bad move from hash table, ply=10
bad move from hash table, ply=10
bad move from hash table, ply=10
bad move from hash table, ply=10
bad move from hash table, ply=10
bad move from hash table, ply=10
bad move from hash table, ply=10
bad move from hash table, ply=8
bad move from hash table, ply=8
bad move from hash table, ply=10
bad move from hash table, ply=10
bad move from hash table, ply=10
bad move from hash table, ply=10
               10     5:21   0.27   19. Ng5 Qe7 20. g4 Bf7 21. Bf4 Bxf4
                                    22. Qxf4 h6 <HT>
              time=5:21  cpu=199%  mat=0  n=495472241  fh=98%  nps=1540k
              ext-> chk=9325089 cap=3038750 pp=222656 1rep=610226 mate=7 sing=0
              predicted=17  nodes=495472241  evals=0
              endgame tablebase-> probes done=0  successful=0
              hashing-> trans/ref=25%  pawn=99%  used=99%
              SMP->  split=125  stop=11  data=6/32  cpu=10:42  elap=5:21
              time used:   2:25


Guess I'll put everything back like I found it.  :)



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