Author: Brian Katz
Date: 15:08:32 12/27/03
Go up one level in this thread
On December 27, 2003 at 18:00:04, Brian Katz wrote:
>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
List 504 found mate in 8 in 14 seconds in the infinite analysis mode.
Brian
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