Author: Mogens Larsen
Date: 11:59:52 09/11/00
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On September 11, 2000 at 14:20:33, Chessfun wrote: >>Here is one blunder of Gandalf4.32f against Crafty >> >>[D]r4rk1/3p1ppp/1pb1p3/p1b1P2B/2P2B1q/P1N5/1PQ2PPP/3R1RK1 w - - 0 1 >Maybe Christian could check, but others in limited time modes would >alos play this move: As the time controls were 40/40' it can be guessed >the move took maybe 2 minutes. That is a reasonable assumption. Probably slightly less. >Crafty 17-13N takes 3:30 on my machine to switch to Bg3. >Fritz 6b takes 0:46 to switch to Bg3. Gandalf analysis: 10440 <first : 2 94 0 254 g4 Qh3 10440 <first : 2 97 10 515 b4 !! 10440 <first : 2 257 10 606 b4 axb4 axb4 Qxf4 bxc5 Qxe5 10490 <first : 3 203 10 2531 b4 axb4 axb4 Bxb4 Na2 Qxf4 Nxb4 Qxe5 Nxc6 dxc6 10550 <first : 4 60 10 10447 b4 axb4 axb4 Bxb4 Na2 Rxa2 Qxa2 Qxf4 10550 <first : 4 64 10 12475 g4 !! 10550 <first : 4 112 20 16188 g4 f5 exf6 Rxf6 Bd6 10770 <first : 5 68 40 44395 g4 Qh3 Nd5 exd5 cxd5 11210 <first : 6 67 80 130466 g4 Qh3 Nd5 exd5 Rd3 Qh4 cxd5 12640 <first : 7 67 220 386080 g4 Qh3 Nd5 exd5 Rd3 Qh4 cxd5 15600 <first : 8 73 520 1054513 g4 Qh3 Nd5 exd5 Rd3 Qh4 cxd5 Bb7 23950 <first : 9 54 1360 2774173 g4 Qh3 Nd5 exd5 Rd3 Qh4 Bg3 Qg5 cxd5 83160 <first : 10 51 7280 13997968 g4 f5 exf6 g6 Bg3 Qxf6 g5 Qxg5 Be2 Qh6 193780 <first: 11 -4 18340 36003605 g4 Qh3 Nd5 Qf3 Rd3 Qe4 Rd2 exd5 Qxe4 dxe4 417160 <first: 11 -1 40680 83217254 Bg3 !! 473020 <first: 11 9 46270 93970165 Bg3 Qxh5 Kh1 a4 f3 h6 Ne4 Qg6 Rfe1 Rfc8 The score drops after about 3 minutes on my computer and Bg3 found after almost 7 minutes, so with standard timecontrol, fast computer and hashdata the move would probably be different :o). Only a slight chance with 40/40' IMHO. Yace 0.23 couldn't find the move within 4 minutes. LG2000 v.2.9a doing 1.1M nps (!) found Bg3 in about 1 minute. Mogens.
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