Author: William Bryant
Date: 13:15:18 03/11/00
Go up one level in this thread
On March 11, 2000 at 16:00:40, James Robertson wrote: >On March 11, 2000 at 15:47:53, William Bryant wrote: > >>On March 11, 2000 at 12:33:40, pavel wrote: >> >>>hi, >>> this is the first time i am ever trying a diagram in this forum, >>>if it doesnt work i am sorry for any inconvenience. and if it doest work, then >>>thanks to dann corbit for referring to EPDdiag, in one of his post. >>>the game below is from one of the many games that i played in chess server >>>(chess.net) and one of my fav too. i would like to know how fast your program >>>finds the mate??? >>> >>>white- "bigbadjohn" >>>Black- "gnu" >>>white elo- "1659" >>>blacks elo- "1473" >>>time control- "900+0" >>> >>>[D]3qlrkl/lR5p/RlQ3pl/3pp3/2pb4/5PlP/4rlPl/7K w - - >>> >>>the original moves were after this position of the game >>> >>>38) Re1+ >>>39)Kh2 Bg1+ >>>40)Kg3 Qg5# >>> >>>i personally found the mate very interesting, what do you think? >>>i played under the handle "gnu" >>>thanks for any comments and feedbacks >>>and by the way "comet doesnt finds the mate" >>>and all other programs that i have finds the mate less then 1 min. >>>junior6 finds it in 23sec!!!! >>>thanks >>>pavel >> >>I think this is a great position because it is a case where one of the >>real amatures gets lucky. >> >>Screamer solves this in 1.992 seconds announcing mate in 8 moves. >> >>Welcome to Screamer 1.00 Build 49 >>Current Hash Table Size: 8192 K bytes >>Current Pawn Hash Size: 2048 K bytes >>Debug Control On >>PVS Search >>NULL move Search >> >> >>New Game ... >>Move 1 W>> >> >>New Board Position >>3q1rk1/1R5p/R1Q3p1/3pp3/2pb4/5P1P/4r1P1/7K w - - 0 0 >>Move 1 W>> >>PLY NODES TIME SCORE PV >>__________________________________________________ >> 5/00 19107 0.373 +0.00 Qxg6+ hxg6 Rxg6+ Kh8 Rh6+ Kg8 Rg6+ >> 6/00 40849 0.727 +0.00 Qxg6+ hxg6 Rxg6+ Kh8 Rh6+ Kg8 Rg6+ >> 6/01 58955 1.018 +0.18 Qe6+ Kh8 Rxh7+ Kxh7 Qxg6+ Kh8 Qh6+ Kg8 Rg6+ >> Kf7 Qg7+ Ke8 Re6+ Qe7 Rxe7 >> 7/00 86249 1.435 ++ Qe6+ >> 7/00 125590 1.992 +327.52 Qe6+ Kh8 Rxh7+ Kxh7 Qxg6+ Kh8 Qh6+ Kg8 Rg6+ >> Kf7 Qg7+ Ke8 Re6+ Qe7 Qxe7++ >> 8/00 324510 5.301 +327.52 Qe6+ Kh8 Rxh7+ Kxh7 Qxg6+ Kh8 Qh6+ Kg8 Rg6+ >> Kf7 Qg7+ Ke8 Re6+ Qe7 Qxe7++ >> ----- Search Stopped ----- >> 8/00 779655 12.562 +327.52 Qe6+ Kh8 Rxh7+ Kxh7 Qxg6+ Kh8 Qh6+ Kg8 Rg6+ >> Kf7 Qg7+ Ke8 Re6+ Qe7 Qxe7++ >> Total Search Time: 12seconds >> Move: Qe6+ >> >> >>William >>wbryant@ix.netcom.com > > >That's interesting... I think everyone else played this position with black to >move. :) With white on move, Insomniac 0.63 announces mate in 8 after 1 second >on my P233, 4MB hash. > >James > > 1 -606 0 66 Kh2 > 2> -599 0 231 Qe6+ Kh8 Kh2 > 2 -599 0 346 Qe6+ Kh8 Kh2 > 3> -602 50 1813 Rd7 Re1+ Kh2 Bg1+ Kh1 > 3 -602 50 2033 Rd7 Re1+ Kh2 Bg1+ Kh1 > 4> -595 50 5330 Qe6+ Kh8 Rd7 Re1+ Kh2 Bg1+ Kh1 > 4> -572 110 5881 Qxg6+ > 4 0 110 6039 Qxg6+ hxg6 Rxg6+ Kh8 Rh6+ Kg8 Rg6+ > 5 0 110 6567 Qxg6+ hxg6 Rxg6+ Kh8 Rh6+ Kg8 Rg6+ > 6 0 160 11017 Qxg6+ hxg6 Rxg6+ Kh8 Rh6+ Kg8 Rg6+ > 7 0 330 26740 Qxg6+ hxg6 Rxg6+ Kh8 Rh6+ Kg8 Rg6+ > 8> 30 440 38555 Qe6+ > 8 169 660 62160 Qe6+ Kh8 Rxh7+ Kxh7 Qxg6+ Kh8 Qh6+ Kg8 Rg6+ Kf7 > Rg7+ Ke8 Qe6+ Qe7 Rxe7+ > 9 29985 1040 92599 Qe6+ Kh8 Rxh7+ Kxh7 Qxg6+ Kh8 Qh6+ Kg8 Rg6+ Kf7 > Rg7+ Ke8 Qc6+ Qd7 Qxd7+ Sure, take all the fun out of it. :) I used the original epd and ran the position without reading the other posts. The _intent_ was for black to move, even though the epd listed white to move. I reran the positon with black to move and it took several minutes to find the mate (see my repost). My level of enjoyment dropped a level or so too. :) William wbryant@ix.netcom.com
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