Author: Richard Pijl
Date: 05:26:18 12/27/03
Go up one level in this thread
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.
I already found the error and corrected it. One of Baron's processes crashed
(division by zero), but the other process was still there, so winboard didn't
exit. Anyway, fixed now.
Concerning the position: Baron does see a great advantage for black here, but in
analyze mode has a little trouble getting the mate score as Baron doesn't try to
resolve big fail-high's on all plies.
Richard.
>
>Ingo
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