Author: martin fierz
Date: 02:57:25 09/01/04
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On September 01, 2004 at 00:51:47, Stuart Cracraft wrote: [snip] Muse on P4 2.4GHz finds the mate at ply 6, failing high on Qxf4 after 0.7 seconds (not shown in the logfile). the reason it can solve this at such a low search depth is probably twofold, the first is that it generates checks in qsearch on the first ply of the qsearch (so when you drop directly into qsearch with a nullmove, it will see Rh8# every time), the second is probably that it is using mate-threat extensions. cheers martin FEN: 4r1k1/p1qr1p2/2pb1Bp1/1p5p/3P1n1R/1B3P2/PP3PK1/2Q4R w - - 0 0 depth eval time nodes kN/s QS BR NR pv 1/2 -165 0.11s 9 0.1 18 0 0 g2g1 . 2/4 -236 0.13s 113 1.0 8 80 0 g2f1 f4d3 . 3/7 -119 0.14s 572 4.5 10 79 48 g2f1 e8f8 f1e1 . 4/11 -231 0.17s 3755 27.0 20 79 64 g2f1 a7a6 b3c2 f4e2 . 5/15 -209 0.27s 15773 72.1 18 83 74 g2f1 a7a5 f6e5 d6e5 d4e5 . 6/19 31989 7.08s 979318 166. 17 80 79 c1f4 d6f4 h4h5 g6h5 h1h5 f4h6 h5h6 c7h2 h6h2 d7d4 .
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