Author: Brian Katz
Date: 15:12:32 12/27/03
Go up one level in this thread
On December 27, 2003 at 18:08:32, Brian Katz wrote: >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 Interestingly, Friz 5.32 finds mate in 8 in 16 seconds in the infinite analysis mode. Brian
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