Author: Anthony Cozzie
Date: 16:42:51 02/20/04
Go up one level in this thread
On February 20, 2004 at 16:59:44, Tim Foden wrote: >Here is a position that occured between ZCHess 2.22 and Deep Sjeng 1.5 (ZChess >was white). > >Most engines (well the one's we tested anyway!) don't like white here, but >ZChess went on to win. > >[D]2r3k1/R4p2/1p2p1pp/1b1nQ3/3P3P/3q1PN1/5BP1/6K1 w - - 0 1 > >The plan for white of Ne4 Kh2! Be1! Bd2 looks to win every time. Any other >engines see the win for white here? > >(for the game see Guenther's site http://home.t-online.de/home/g.simon.rgbg/) >Cheers, Tim. It takes a while, but here you go. Zappa prefers Be3-d2 over Be1-d2, but otherwise it is the correct plan, and with a reasonable plus score as well. Branching factor of *7* from 13->14 ply though :( 1. Ng3-e4 Rc8-f8 2. Kg1-h2 h6-h5 3. Bf2-g3 Qd3-c2 4. Bg3-f4 Bb5-f1 5. Bf4-d2 Qc2-b2 6. Kh2-g1 Qb2-b1 7. Bd2-h6 Bf1-e2 8. Kg1-h2 = (-0.50) Depth: 13/27 00:01:54.32 108306kN 1. Ng3-e4++ + (-0.25) Depth: 14/28 00:05:14.44 300698kN 1. Ng3-e4 Qd3-f1 2. Kg1-h2 Bb5-e8 3. Bf2-e3 Rc8-c2 4. Be3-d2 Rc2xd2 5. Ne4xd2 Qf1-f2 6. Ra7-a8 Qf2xh4 7. Kh2-g1 Qh4-e7 8. Nd2-c4 f7-f6 9. Qe5-d6 = (0.51) Depth: 14/28 00:15:18.86 884816kN 1. Ng3-e4 Qd3-f1 2. Kg1-h2 Bb5-e8 3. Bf2-e3 Rc8-c2 4. Be3-d2 Rc2xd2 5. Ne4xd2 Qf1-f2 6. Ra7-a8 Qf2xh4 7. Kh2-g1 Qh4-e7 8. Nd2-c4 f7-f6 9. Qe5-b8 Nd5-c7 = (0.66) Depth: 15/30 00:26:44.89 1547890kN anthony
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