Author: Robert Hyatt
Date: 15:18:52 11/21/03
Go up one level in this thread
On November 21, 2003 at 17:43:56, Vincent Lejeune wrote:
>On November 21, 2003 at 16:02:21, Vincent Lejeune wrote:
>
>>On November 21, 2003 at 15:40:18, Dann Corbit wrote:
>>
>>>Caveat... To run this binary, you will need one of these versions of the Win32
>>>operating system:
>>>Windows XP, Windows 2000 Professional, Windows NT Workstation 4.0, Windows
>>>Server 2003, Windows 2000 Server, or Windows NT Server 4.0
>>>
>>>Binary:
>>>ftp://cap.connx.com/chess-engines/new-approach/Crafty-Smp-1905.exe
>>>
>>>Whole shooting match:
>>>ftp://cap.connx.com/chess-engines/new-approach/c19_05.zip
>>>
>>>In theory, it's NUMA aware, but I have not tested that part.
>>>
>>>I can't make a single threaded version, because the NUMA call stuff rules that
>>>out.
>>>
>>>I had to make a bunch of changes to get it to compile. Hopefully, I did not
>>>break anything.
>>
>>The 6-men TB works well, thanks !
>>
>>setboard 8/8/1r1k4/8/5P2/6RK/5P2/8 w - - 0 1
>>1. Rg6+! Kc5 2. f5! Rb2 3. Kg3 Kd5! 4. Re6! Rb3+! 5. Re3 Rb8! 6.
>>f6! Rf8! 7. Rf3! Ke6! 8. f7! Rxf7! 9. Rxf7! Kxf7! 10. Kf4! Kf6! 11.
>>f3! Ke6 12. Kg5! Kf7! 13. Kf5! Ke7 14. Kg6! Kd6 15. Kf6 Kc5 16. f4!
>>Kd5 17. f5! Kd6! 18. Kg7! Kc5 19. f6! Kb4 20. f7! Ka3 21. f8=Q+ Kb2
>>22. Qc8 Kb1 23. Qc4 Ka1 24. Qb5 Ka2 25. Kf6! Ka1 26. Ke5! Ka2 27.
>>Kd4! Ka1 28. Kc3! Ka2 29. Qb2#
>>end-game phase
>> time surplus 0.00 time limit 30.00 (3:30)
>> depth time score variation (1)
>> 2 0.00 Mat18 1. Rg6+ <EGTB>
>> 2-> 0.00 Mat18 1. Rg6+ <EGTB>
>> 3 0.00 Mat18 1. Rg6+ <EGTB>
>> 3-> 0.00 Mat18 1. Rg6+ <EGTB>
>> 4 0.00 Mat18 1. Rg6+ <EGTB>
>> 4-> 0.00 Mat18 1. Rg6+ <EGTB>
>> time=0.00 cpu=100% mat=2 n=19 fh=100% nps=10k
>> ext-> chk=5 cap=0 pp=0 1rep=0 mate=0
>> predicted=0 nodes=19 evals=8
>> endgame tablebase-> probes=1 hits=1
>> SMP-> split=0 stop=0 data=0/4096 cpu=0.00 elap=0.00
>
>In fact not so well !!!!
>The analyze give mate in 18 and the egtb main-line give mate after 29 moves
>!!???
>
>any idea ?
Something is clearly broken. Here is output from my dual xeon:
1. Rg6+! Kc5 2. Rxb6! Kxb6! 3. Kh4 Kb5 4. Kh5 Kc5 5. Kh6 Kc4 6. Kg7
Kb3 7. f5! Ka2 8. Kf6 Ka1 9. Ke5! Kb1 10. Kd4 Ka1 11. Kd3 Ka2 12.
f6! Ka3 13. f7! Ka4 14. f8=Q! Kb5! 15. Qd6! Ka4! 16. Qb6 Ka3 17.
Kc3! Ka2 18. Qb2#
White(1): noise 0
noise level set to 0.
White(1): move
end-game phase
clearing hash tables
time surplus 0.00 time limit 22.50 (3:30)
depth time score variation (1)
1 0.00 5.04 1. Rg6+ Kc5 2. Rxb6 Kxb6
1-> 0.00 5.04 1. Rg6+ Kc5 2. Rxb6 Kxb6
2 0.00 ++ 1. Rg6+!!
2 0.00 Mat18 1. Rg6+ <EGTB>
2-> 0.01 Mat18 1. Rg6+ <EGTB>
3 0.01 Mat18 1. Rg6+ <EGTB>
3-> 0.01 Mat18 1. Rg6+ <EGTB>
4 0.01 Mat18 1. Rg6+ <EGTB>
4-> 0.01 Mat18 1. Rg6+ <EGTB>
time=0.01 cpu=0% mat=2 n=19 fh=100% nps=10k
ext-> chk=5 cap=0 pp=0 1rep=0 mate=0
predicted=0 nodes=19 evals=8
Maybe he has missing tables which confuse the PV output but not the search.
IE the Search assumes every table is present as does the tables themselves.
The PV stuff has to search thru the tables you actually have, however, and
if the right one is missing, the PV will be longer than it should be...
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