Author: John Merlino
Date: 09:58:49 05/17/04
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On May 17, 2004 at 04:03:56, Jouni Uski wrote: >[D]rnb1kbnr/ppp1pppp/8/3q4/8/2N5/PPPP1PPP/R1BQKBNR b KQkq - > >All engines I tested want to play -Qe6+ , which is of course dubious. Is there >engine to find itself better Qa5 or Qd8 at tournament level? > >Jouni CM_SKR on an AMD 2500+ waffles between Qe6+ and Qd6, but eventually (and unfortunately) settles on Qe6+: Time Depth Score Positions Moves 0:00 1/3 5.85 1796 3...Qc6 4.Bb5 Nf6 5.Bxc6+ Nxc6 0:00 1/3 0.53 2227 3...Qf5 4.Bd3 Qe5+ 5.Nge2 Nf6 0:00 1/3 0.17 3221 3...Qe6+ 4.Be2 Qg6 5.Nf3 Qxg2 0:00 1/4 0.34 7061 3...Qe6+ 4.Be2 Qg6 5.Nf3 Qxg2 6.Rf1 0:00 1/5 0.31 21904 3...Qe6+ 4.Nge2 Nf6 5.d4 Qc6 6.Be3 Be6 0:00 1/6 0.65 73578 3...Qe6+ 4.Be2 Qg6 5.Nf3 Qxg2 6.Rg1 Qh3 7.d4 0:00 1/6 0.40 93012 3...Qd6 4.Nf3 Nc6 5.Nb5 Qd8 6.d4 Nf6 0:00 1/7 0.51 142061 3...Qd6 4.Nf3 Nf6 5.d4 Nc6 6.Be3 Be6 7.Bd3 0:00 1/7 0.44 188237 3...Qe6+ 4.Be2 Qg6 5.Nf3 Qxg2 6.Rg1 Qh3 7.Nd5 Kd8 0:01 1/8 0.58 349633 3...Qe6+ 4.Be2 Qg6 5.Nf3 Nf6 6.Nb5 Na6 7.O-O Bh3 0:02 1/8 0.55 659327 3...Qa5 4.Nf3 Nf6 5.d4 Be6 6.Bd3 Nc6 7.O-O O-O-O 0:04 1/9 0.71 1036569 3...Qa5 4.Nf3 Nf6 5.d4 Be6 6.Bd3 Nd5 7.Bd2 Nxc3 8.Bxc3 0:05 1/9 0.50 1351607 3...Qe6+ 4.Be2 Qg6 5.Nf3 Nf6 6.d4 Qxg2 7.Rg1 Qh3 8.Bf4 0:09 1/10 0.56 2314084 3...Qe6+ 4.Be2 Qg6 5.Nf3 Nf6 6.d4 Qxg2 7.Rg1 Qh3 8.Bf4 c6 0:15 1/10 0.52 3685589 3...Qd6 4.Nf3 Nf6 5.d4 Nc6 6.Bd3 Nb4 7.O-O Nxd3 8.Qxd3 Bd7 0:29 1/11 0.69 6951605 3...Qd6 4.Nf3 Nf6 5.d4 Nc6 6.Nb5 Qd7 7.Bf4 e5 8.Nxe5 Bb4+ 9.c3 0:39 1/11 0.39 9341289 3...Qe6+ 4.Be2 Qg6 5.Nf3 Qxg2 6.Rg1 Qh3 7.d4 Nf6 8.Bf4 Nc6 9.Bxc7 Be6 1:02 1/12 0.55 15347263 3...Qe6+ 4.Be2 Qg6 5.Nf3 Qxg2 6.Rg1 Qh3 7.d4 Nf6 8.Bf4 c6 9.Nd2 Bf5 10.Bf3 2:35 1/13 0.46 38383524 3...Qe6+ 4.Be2 Qg6 5.Nf3 Qxg2 6.Rg1 Qh3 7.d4 Nf6 8.Bf4 Na6 9.Qd2 Nb4 10.O-O-O Bf5 Also, CM9000 will play Qa5 75% of the time from its opening book, and Qd8 the other 25% of the time. jm
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