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Subject: Re: Crafty 16.7

Author: Eugene Nalimov

Date: 10:36:03 05/27/99

Go up one level in this thread


On May 27, 1999 at 08:07:46, Robert Hyatt wrote:

>On May 27, 1999 at 07:32:02, Bernhard Bauer wrote:
>
>>On May 27, 1999 at 07:19:17, Jeremiah Penery wrote:
>>
>>>On May 27, 1999 at 07:04:14, Bernhard Bauer wrote:
>>>
>>>>On May 26, 1999 at 19:14:14, Michel Chassey wrote:
>>>>
>>>>>Received today from Crafty list :
>>>>>
>>>>>16.7 has been released, finally.
>>>>>
>>>>>I make no guarantees that it is playing better than 16.6, although it seems
>>>>>to be doing so.  If anyone is interested in running a long match between
>>>>>the two versions, feel free to do so and report the results.  Note that
>>>>>both blitz _and_ long games are important.
>>>>>
>>>>>Windows executables will be available when Jason has time to compile them.  If
>>>>>someone is interested in compiling one and sending it to me, I will
>>>>>certainly put it on the ftp machine...
>>>>>
>>>>>Bob
>>>>
>>>>Looks like something is broken since crafty does't find Kb1! in fine70.
>>>>Here the position:
>>>>
>>>>
>>>>       +---+---+---+---+---+---+---+---+
>>>>    8  |   |   |   |   |   |   |   |   |
>>>>       +---+---+---+---+---+---+---+---+
>>>>    7  | *K|   |   |   |   |   |   |   |
>>>>       +---+---+---+---+---+---+---+---+
>>>>    6  |   |   |   | *P|   |   |   |   |
>>>>       +---+---+---+---+---+---+---+---+
>>>>    5  | *P|   |   | P |   | *P|   |   |
>>>>       +---+---+---+---+---+---+---+---+
>>>>    4  | P |   |   | P |   | P |   |   |
>>>>       +---+---+---+---+---+---+---+---+
>>>>    3  |   |   |   |   |   |   |   |   |
>>>>       +---+---+---+---+---+---+---+---+
>>>>    2  |   |   |   |   |   |   |   |   |
>>>>       +---+---+---+---+---+---+---+---+
>>>>    1  | K |   |   |   |   |   |   |   |
>>>>       +---+---+---+---+---+---+---+---+
>>>>         a   b   c   d   e   f   g   h
>>>>
>>>>I think Kb1! is the only winning move.
>>>
>>>What depth/time did you let it search?  I think it takes something like depth=20
>>>to see Kb1, but it should only take a few seconds, at most.
>>>
>>>Jeremiah
>>
>>               38->   1:04   1.14   1. Kb2 Ka8 2. Kc2 Kb8 3. Kc3 Kb7 4.
>>                                    Kc4 Kb6 5. Kb3 Kc7 6. Ka2 Kd7 7. Ka3
>>                                    Kd8 8. Kb2 Kc8 9. Kc1 Kb7 10. Kd2 Kc8
>>                                    11. Kd3 Kc7 12. Ke2 Kd7 13. Ke1 Kd8
>>                                    14. Kd1 Kc7 15. Kc1 <HT>
>>               39     1:45    1/3   1. Kb2
>>Here I stoped it.
>>
>>Kind regards
>>Bernhard
>
>
>UhOh...   Eugene, can you check this on your machine?  I just ran it and it
>seems ok here.  Perhaps something is going wrong in optimizing?  IE do you
>have something like purify to make sure I didn't introduce any wild memory
>references are anything that would make this behave differently on linux and
>NT?
>
>Bob

Executable from your site, P6/200, NT 4.0.

Crafty v16.7

White(1): setboard /k/3p/p2P1p/P2P1P///K/ w

       +---+---+---+---+---+---+---+---+
    8  |   |   |   |   |   |   |   |   |
       +---+---+---+---+---+---+---+---+
    7  | *K|   |   |   |   |   |   |   |
       +---+---+---+---+---+---+---+---+
    6  |   |   |   | *P|   |   |   |   |
       +---+---+---+---+---+---+---+---+
    5  | *P|   |   | P |   | *P|   |   |
       +---+---+---+---+---+---+---+---+
    4  | P |   |   | P |   | P |   |   |
       +---+---+---+---+---+---+---+---+
    3  |   |   |   |   |   |   |   |   |
       +---+---+---+---+---+---+---+---+
    2  |   |   |   |   |   |   |   |   |
       +---+---+---+---+---+---+---+---+
    1  | K |   |   |   |   |   |   |   |
       +---+---+---+---+---+---+---+---+
         a   b   c   d   e   f   g   h

White(1): go
end-game phase
              clearing hash tables
              time surplus   0.00  time limit 30.00 (3:00)
          s   depth   time  score   variation (1)
               14     0.08   1.05   1. Kb2 Kb8 2. Kc2 Kc8 3. Kc3 Kb7 4.
                                    Kc4 Kb6 5. Kc3 Kb7 <HT>
               14->   0.12   1.05   1. Kb2 Kb8 2. Kc2 Kc8 3. Kc3 Kb7 4.
                                    Kc4 Kb6 5. Kc3 Kb7 <HT>
               15     0.20   1.05   1. Kb2 Kb8 2. Kc2 Kc8 3. Kc3 Kb7 4.
                                    Kc4 Kb6 5. Kc3 Kb7 <HT>
               15->   0.25   1.05   1. Kb2 Kb8 2. Kc2 Kc8 3. Kc3 Kb7 4.
                                    Kc4 Kb6 5. Kc3 Kb7 <HT>
               16     0.33   1.05   1. Kb2 Kb8 2. Kc2 Kc8 3. Kc3 Kb7 4.
                                    Kc4 Kb6 5. Kd3 Kc7 6. Ke3 Kd7 7. Ke2
                                    Kc8 8. Ke3 Kd7
               16->   0.39   1.05   1. Kb2 Kb8 2. Kc2 Kc8 3. Kc3 Kb7 4.
                                    Kc4 Kb6 5. Kd3 Kc7 6. Ke3 Kd7 7. Ke2
                                    Kc8 8. Ke3 Kd7
               17     0.47   1.05   1. Kb2 Kb8 2. Kc2 Kc8 3. Kc3 Kb7 4.
                                    Kc4 Kb6 5. Kd3 Kc7 6. Ke3 Kd7 7. Ke2
                                    Kc8 8. Kd2 Kd7 9. Kd3
               17->   0.55   1.05   1. Kb2 Kb8 2. Kc2 Kc8 3. Kc3 Kb7 4.
                                    Kc4 Kb6 5. Kd3 Kc7 6. Ke3 Kd7 7. Ke2
                                    Kc8 8. Kd2 Kd7 9. Kd3
               18     2.05   1.05   1. Kb2 Ka8 2. Kc3 Kb7 3. Kc4 Kb6 4.
                                    Kd3 Kc7 5. Ke3 Kd7 6. Kf3 Ke7 7. Ke2
                                    Kd7 8. Kd2 Kc8 9. Kd3 Kd7
               18     2.11     ++   1. Kb1!!
               18->   2.23   1.44   1. Kb1
               19     2.33   1.05   1. Kb1 Kb8 2. Kc2 Kc8 3. Kd2 Kc7 4.
                                    Kd3 Kb7 5. Ke3 Kc7 6. Kf3 Kd7 7. Kg3
                                    Ke7 8. Kf2 Kd7 9. Kf3 Ke7 10. Ke3
               19->   2.37   1.05   1. Kb1 Kb8 2. Kc2 Kc8 3. Kd2 Kc7 4.
                                    Kd3 Kb7 5. Ke3 Kc7 6. Kf3 Kd7 7. Kg3
                                    Ke7 8. Kf2 Kd7 9. Kf3 Ke7 10. Ke3
               20     2.86     ++   1. Kb1!!
               20->   4.50   1.44   1. Kb1 Kb8 2. Kc2 Kc8 3. Kd2 Kc7 4.
                                    Kd3 Kb7 5. Ke3 Kc7 6. Kf3 Kd7 7. Kg3
                                    Ke7 8. Kf2 Kd7 9. Kf3 Ke7 10. Ke3
               21     5.95   1.10   1. Kb1 Kb8 2. Kc2 Kb7 3. Kd2 Kc8 4.
                                    Kd3 Kc7 5. Kc4 Kb6 6. Kb3 Kc7 7. Kc3
                                    Kb7 8. Kc2 Kb8 9. Kb1 Kc7 10. Kb2 Kc8
                                    11. Kc3
               21->   6.03   1.10   1. Kb1 Kb8 2. Kc2 Kb7 3. Kd2 Kc8 4.
                                    Kd3 Kc7 5. Kc4 Kb6 6. Kb3 Kc7 7. Kc3
                                    Kb7 8. Kc2 Kb8 9. Kb1 Kc7 10. Kb2 Kc8
                                    11. Kc3
               22    18.86     ++   1. Kb1!!
               22    19.08   2.89   1. Kb1 Kb8 2. Kc2 Kc7 3. Kd3 Kb7 4.
                                    Ke3 Kc7 5. Kf3 Kd7 6. Kg3 Ke7 7. Kh4
                                    Kf6 8. Kh5 Ke7 9. Kg5 <HT>
               22->  19.14   2.89   1. Kb1 Kb8 2. Kc2 Kc7 3. Kd3 Kb7 4.
                                    Ke3 Kc7 5. Kf3 Kd7 6. Kg3 Ke7 7. Kh4
                                    Kf6 8. Kh5 Ke7 9. Kg5 <HT>
               23    19.23   2.99   1. Kb1 Kb8 2. Kc2 Kc7 3. Kd3 Kb7 4.
                                    Ke3 Kc7 5. Kf3 Kd7 6. Kg3 Ke7 7. Kh4
                                    Kf6 8. Kh5 Ke7 9. Kg5 Ke8 10. Kxf5
                                    Kf7 11. Kg5 <HT>
               23->  19.31   2.99   1. Kb1 Kb8 2. Kc2 Kc7 3. Kd3 Kb7 4.
                                    Ke3 Kc7 5. Kf3 Kd7 6. Kg3 Ke7 7. Kh4
                                    Kf6 8. Kh5 Ke7 9. Kg5 Ke8 10. Kxf5
                                    Kf7 11. Kg5 <HT>
               24    21.25   2.99   1. Kb1 Kb8 2. Kc2 Kc7 3. Kd3 Kb7 4.
                                    Ke3 Kc7 5. Kf3 Kd7 6. Kg3 Ke7 7. Kh4
                                    Kf6 8. Kh5 Ke7 9. Kg5 Ke8 10. Kxf5
                                    Kf7 11. Kg5 Ke7 12. f5 Kd7
               24->  21.31   2.99   1. Kb1 Kb8 2. Kc2 Kc7 3. Kd3 Kb7 4.
                                    Ke3 Kc7 5. Kf3 Kd7 6. Kg3 Ke7 7. Kh4
                                    Kf6 8. Kh5 Ke7 9. Kg5 Ke8 10. Kxf5
                                    Kf7 11. Kg5 Ke7 12. f5 Kd7
               25    22.84   3.06   1. Kb1 Kb8 2. Kc2 Kc7 3. Kd3 Kb7 4.
                                    Ke3 Kc7 5. Kf3 Kd7 6. Kg3 Ke7 7. Kh4
                                    Kf6 8. Kh5 Ke7 9. Kg5 Ke8 10. Kxf5
                                    Kf7 11. Kg5 Ke7 12. f5 Kf7 13. f6
               25->  22.92   3.06   1. Kb1 Kb8 2. Kc2 Kc7 3. Kd3 Kb7 4.
                                    Ke3 Kc7 5. Kf3 Kd7 6. Kg3 Ke7 7. Kh4
                                    Kf6 8. Kh5 Ke7 9. Kg5 Ke8 10. Kxf5
                                    Kf7 11. Kg5 Ke7 12. f5 Kf7 13. f6
              time=30.08  cpu=98%  mat=1  n=3983326  fh=94%  nps=132424
              ext-> checks=3399 recaps=0 pawns=6599 1rep=13 thrt:0
              predicted=0  nodes=3983326  evals=642380
              endgame tablebase-> probes done=0  successful=0
              hashing-> trans/ref=99%  pawn=99%  used=4%

White(1): Kb1
              time used:  30.14

       +---+---+---+---+---+---+---+---+
    8  |   |   |   |   |   |   |   |   |
       +---+---+---+---+---+---+---+---+
    7  | *K|   |   |   |   |   |   |   |
       +---+---+---+---+---+---+---+---+
    6  |   |   |   | *P|   |   |   |   |
       +---+---+---+---+---+---+---+---+
    5  | *P|   |   | P |   | *P|   |   |
       +---+---+---+---+---+---+---+---+
    4  | P |   |   | P |   | P |   |   |
       +---+---+---+---+---+---+---+---+
    3  |   |   |   |   |   |   |   |   |
       +---+---+---+---+---+---+---+---+
    2  |   |   |   |   |   |   |   |   |
       +---+---+---+---+---+---+---+---+
    1  |   | K |   |   |   |   |   |   |
       +---+---+---+---+---+---+---+---+
         a   b   c   d   e   f   g   h




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