Author: John Merlino
Date: 15:31:13 05/12/03
Go up one level in this thread
On May 12, 2003 at 16:00:04, F. Huber wrote: >On May 12, 2003 at 14:35:21, John Merlino wrote: > >Hello John, > >>The "ana=" parameter is the one that is used in CM9000 for the "Mentor Lines" >>window to request a certain number of "best lines". So, "ana=3" will produce at >>least 3 PVs for each depth. > >many thanks for your answer - I knew you would know it. :-) >Seems interesting, this "ana" - if I understand this right, it should also >work when using TheKing outside CM9k, e.g. in Arena. (Must try it!) > >>From what I know about the sel parameter, this should work, as "sel=0" pretty >>much is the same thing as using the "Solve for Mate" feature in CM9000. Could >>you post the position so I can test it? >>jm > >Here´s one (of a lot of similar) examples - running TheKing under Arena >with "sel=0" (better: cm_parm sel=0), no difference if running as UCI >or WinBoard-engine: > >8/3p2N1/8/N7/1B1k1K2/8/2Bn4/8 w - - (is ´Mate in 5´) > >TheKing UCI: >D3 00:00 11,34 Nf5 Kd5 Bxd2 Kc5 Nb7 Kd5 Bb3 Kc6 >D4 00:00 11,48 Nf5 Kd5 Bxd2 Kc5 Ke5 Kb6 Nb3 >D5 00:01 11,48 Nf5 Kd5 Bxd2 Kc5 Ke5 Kb6 Nc4 Kc5 Ncd6 >D6 00:04 12,11 Nf5 Kd5 Bxd2 Kc5 Ba4 Kb6 Bxd7 Kc7 >D6 00:05 99,87 Bg6 Kd5 Bh7 d6 Bg6 Kd4 Ne6 Kd5 Nc7 Kd4 Nb5 Kd5 Bf7 >D7 00:07 99,87 Bg6 Kd5 Bh7 d6 Bg6 Kd4 Ne6 Kd5 Nc7 Kd4 Nb5 Kd5 Bf7 >D8 00:16 99,89 Bg6 Kd5 Bh7 d6 Bc2 Kd4 Ne6 Kd5 Kf5 Nf1 Bb3 >D8 00:23 99,91 Bh7 Kd5 Ne8 Kd4 Nc7 Ne4 Bxe4 d6 Nb5 >D9 00:24 99,91 Bh7 Kd5 Ne8 Kd4 Nc7 Ne4 Bxe4 d6 Nb5 > > >WB-King WB1: >D3003 00:00 11,34 Nf5+ Kd5 Bxd2 Kc5 Nb7+ Kd5 Bb3+ Kc6 >D4004 00:00 11,48 Nf5+ Kd5 Bxd2 Kc5 Ke5 Kb6 Nb3 >D5005 00:01 11,48 Nf5+ Kd5 Bxd2 Kc5 Ke5 Kb6 Nc4+ Kc5 Ncd6 >D6006 00:04 12,11 Nf5+ Kd5 Bxd2 Kc5 Ba4 Kb6 Bxd7 Kc7 >D6006 00:06 M6 Bg6 Kd5 Bh7 d6 Bg6 Kd4 Ne6+ Kd5 Nc7+ Kd4 Nb5+ Kd5 Bf7+ >D7007 00:07 M6 Bg6 Kd5 Bh7 d6 Bg6 Kd4 Ne6+ Kd5 Nc7+ Kd4 Nb5+ Kd5 Bf7+ >D8008 00:17 M5 Bg6 Kd5 Bh7 d6 Bc2 Kd4 Ne6+ Kd5 Kf5 Nf1 Be4+ >D8008 00:24 M4 Bh7 Kd5 Ne8 Kd4 Nc7 Ne4 Bxe4 d6 Nb5+ >D9009 00:25 M4 Bh7 Kd5 Ne8 Kd4 Nc7 Ne4 Bxe4 d6 Nb5+ > >In both cases TheKing first finds #7, #6 before the shortest one (#5) >(numbers in WB-mode are 1 too small, maybe an Arena problem?). > >As I understand ´selectivity´, TheKing shouldn´t search deeper than >its current search depth (with sel=0) - strange? > >But certainly you´ll have the right explanation for it ;-) > >Best regards, >Franz. I don't see this behavior happen with Chessmaster 9000 using the CM GUI. In both analysis and "solve for mate" modes, the first mate that is announced is the Mate in 5. In analysis mode, this takes about 6 seconds, and in the "solve for mate" mode it takes about one second. jm
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