Author: Brian Katz
Date: 14:53:01 12/27/03
Go up one level in this thread
On December 27, 2003 at 17:45:25, Brian Katz wrote:
>On December 27, 2003 at 08:10:23, Ingo Bauer wrote:
>
>>Hallo
>>
>>[D]5rk1/p4p1p/6b1/q7/6P1/1P6/Q4p1P/K1R5 b - -
>>
>>This nice position was reached by YACE against The Baron on ICC. It seems that
>>some engines have a problem to find a mate, not to speak of a mate in 8!
>>
>>
>>Engine: ChestUCI Ver.2.8
>>by HM / FH
>>CPU: AthlonXP2200+
>>FEN: 5rk1/p4p1p/6b1/q7/6P1/1P6/Q4p1P/K1R5 b - -
>>Suche nach Matt in 12 ... (Hash=512MB)
>>8.38 5:21 +M8 33...Qe1 335.3
>>Matt in 8 gefunden ! (1 Lösung in 05:44)
>>8/08 5:44 +M8 33...Qe1 34.Kb2 Qxc1+ 35.Kxc1 f1Q+ 36.Kb2 Rc8 37.Qa1 Qf6+ 38.Ka2
>>Qa6+ 39.Kb2 Rc2+ 40.Kb1 Qf1+ 330.5
>>best move: Qa5-e1 time: 5:44.282 min n/s: 330.550 nodes: 113.729.719
>>
>>
>>[Event "ICC 15 10"]
>>[Site "Internet Chess Club"]
>>[Date "2003.12.27"]
>>[Round "-"]
>>[White "thebaron"]
>>[Black "Sukkubus"]
>>[WhiteElo "2374"]
>>[BlackElo "2478"]
>>[ECO "D45"]
>>[Result "0-1"]
>>
>>1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. e3 e6 5. Nc3 Nbd7 6. Qc2
>>Bd6 7. Bd2 O-O 8. O-O-O Qe7 9. e4 dxe4 10. Nxe4 Nxe4
>>11. Qxe4 e5 12. Bg5 Nf6 13. Qh4 e4 14. Nd2 Bf5 15. g4 Bg6
>>16. Be2 c5 17. Bxf6 gxf6 18. Nb3 cxd4 19. Nxd4 Be5 20. Nb3
>>b5 21. Nd4 bxc4 22. Nc6 Bxb2+ 23. Kxb2 Qb7+ 24. Ka1 c3
>>25. Rb1 Qxc6 26. Rhc1 e3 27. Bb5 Qd5 28. Rb3 Rab8 29. Qxf6
>>Rxb5 30. Qxc3 exf2 31. Qb2 Rxb3 32. axb3 Qa5+ 33. Qa2 Qe1
>>{White forfeits on time} 0-1
>>
>>I do not know why The Baron lost on time.
>>
>>Ingo
>
>Ruffian 1.0.1 found mate in 8 in only 49 seconds! It found mate in 9 in only 8
>seconds. When the mate announcement is made it doesn't seem to be counting the
>first move. The program is showing mate in #7 but it is really showing 8 moves
>for Black. The same for the mate in #9...It was showing mate in 8 but really
>showing 9 moves for Black.
>What I found particularly interesting was the fact that Fritz 8 could not find
>it after approx. 5 minutes (I will let Fritz 8 spend more time on it, as well as
>other engines.)
>This only goes to show just how strong this Ruffian Engine is. I do not have
>Ruffian 2.0, but now I am seriously thinking of getting it. Ruffian runs a lot
>faster than Fritz 8. The kN/s were reading in the 1500's as opposed to Fritz 8
>in the 1100's.
>Fritz 8 finds mate in 12 almost immediately. Then it finds mate in 11 fairly
>soon, and then goes back to mate in 12.
>Time to test other engines.
>By the way I am running an AMD Athlon XP 2600+ 1 Gig DDR SDRAM Hashtables set at
>512 MB. I had it at 768, but Ruffian cannot use Hashtables at such a high
>setting.
>Brian
In the regular play mode, Ruffian 1.0.1 finds mate in 8 in only 30 seconds. Same
hardware and settings as above. kN/s reading in the 1700's!!
Brian
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