Author: martin fierz
Date: 07:05:14 10/01/04
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On September 30, 2004 at 10:48:09, Omid David Tabibi wrote: >[D]4r1k1/p1qr1p2/2pb1Bp1/1p5p/3P1n1R/1B3P2/PP3PK1/2Q4R w - - bm Qxf4; id >"WAC.141"; > >Falcon uses aggressive prunings, yet it finds the correct move instantly (0.06 >seconds). I think having appropriate extensions is the important thing here. > >Falcon 2.5.2.11 on AMD Athlon(tm) 64 Processor 3200+, 1999MHz, 1024MB: >depth time nodes nps score variation > 3/9 0.00 0k 581k -2.62 1.g2f1++ > 3/9 0.00 0k 788k -2.14 1.g2f1 e8e2 2.f1g1 > 4/15 0.00 2k 2086k -2.44 1.g2f1-- > 4/15 0.00 2k 2741k -2.70 1.g2f1 e8e2 2.h1h2 g8f8 > 5/17 0.00 5k 5151k -2.40 1.g2f1++ > 5/17 0.01 8k 544k -2.17 1.g2f1 e8e2 2.h1h2 f4d3 3.c1h6 e2e1 > 4.f1g2 > 6/20 0.05 22k 499k -2.47 1.g2f1-- > 6/20 0.05 27k 605k -2.56 1.g2f1 a7a5 2.h1g1 e8e2 3.c1c3 g8f8 > 6/20 0.06 35k 571k -2.55 1.c1f4++ > 6/20 0.08 39k 509k -1.87 1.c1f4++ > 6/20 0.08 45k 577k -0.07 1.c1f4++ > 6/20 0.09 55k 597k 3.38 1.c1f4 d6f4 2.h4h5 g6h5 3.h1h5 f4h6 > 4.h5h6 c7h2 5.h6h2 > 7/21 0.25 145k 582k 3.68 1.c1f4++ > 7/25 0.59 338k 569k 4.28 1.c1f4++ > 7/27 2.08 1161k 558k 6.08 1.c1f4++ > 7/34 20.55 11607k 564k 13.28 1.c1f4++ > 7/35 65.14 39412k 605k 49.28 1.c1f4++ > 7/37 82.27 51880k 630k #6 1.c1f4 d6f4 2.h4h5 g6h5 3.h1h5 f4h6 > 4.h5h6 c7h2 5.g2h2 d7d8 6.h6h8 hi omid, my latest muse gets something extremely similar to what falcon gets: fail high on ply 6, at 0.2 seconds or so, but needs about a minute to resolve the mate in 6. somehow i'm not very happy with that - why does it need so long to resolve the mate? some info on muse's search: 1ply extension for checks and mate threat, checks generated in the first ply of QS. do you have any clue as to why falcon also shows this behavior? cheers martin
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