Author: Brian Katz
Date: 15:00:04 12/27/03
Go up one level in this thread
On December 27, 2003 at 17:53:01, Brian Katz wrote:
>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
Even better, Ruffian 1.0.1 finds the mate in 8 in only 7 seconds in the Deep
Position Analysis mode Depth set at 25.
Brian
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