Author: John Merlino
Date: 22:37:24 11/22/04
Go up one level in this thread
On November 22, 2004 at 23:12:46, Anthony Cozzie wrote: >[D]r1b2rk1/1pq2pp1/p2bpn1p/8/3N4/1BP2Q1P/PP3PP1/R1B1R1K1 b - - 0 15 > >Here Zappa played b6, expecting to get the Q versus two rooks after Qxa8 Bb7 >Qxf8. > >[D]Q4rk1/1bq2pp1/pp1bpn1p/8/3N4/1BP4P/PP3PP1/R1B1R1K1 w - - 0 17 > >But CSMath now suprised Zappa (as much as a computer can be surprised) with >Nxe6, getting RBPP for the queen. Which does your engine prefer? > >[D]r1b2rk1/1pq2pp1/p2b1n1p/4p3/3N4/1BP2Q1P/PP3PP1/R1B1R1K1 w - - 0 16 > >Instead of b6, Zappa was considering e5, but discarded it at the last minute. >What does your engine play after e5, and does it favor Black or White? CMX_SKR chooses Nxe6 in less than one second on a P4-2.4: Time Depth Score Positions Moves 0:00 1/5 -0.16 12376 17.Qa7 Ra8 18.Qxa8+ Bxa8 19.Bd2 b5 0:00 1/5 -0.05 16896 17.Qxf8+ Bxf8 18.Be3 Bd6 19.Nf3 Bxf3 20.gxf3 0:00 1/5 0.44 22344 17.Nxe6 fxe6 18.Qxb7 Qxb7 19.Rxe6 Bh2+ 20.Kxh2 Kh8 0:00 1/6 0.51 35943 17.Nxe6 fxe6 18.Qxb7 Bh2+ 19.Kh1 Qxb7 20.Bxe6+ Kh8 21.Kxh2 0:00 1/7 0.43 88536 17.Nxe6 fxe6 18.Qxb7 Bh2+ 19.Kh1 Qxb7 20.Bxe6+ Kh7 21.Kxh2 g6 0:00 1/8 0.93 186278 17.Nxe6 fxe6 18.Qxb7 Bh2+ 19.Kh1 Qxb7 20.Bxe6+ Kh7 21.Kxh2 g6 22.Kh1 0:02 1/9 0.98 452862 17.Nxe6 fxe6 18.Qxb7 Bh2+ 19.Kh1 Qxb7 20.Bxe6+ Kh7 21.Kxh2 Ne4 22.f3 Nc5 0:04 2/10 0.72 1090778 17.Nxe6 fxe6 18.Qxb7 Bh2+ 19.Kh1 Qxb7 20.Bxe6+ Kh8 21.Kxh2 Qc6 22.c4 Re8 23.Bd5 Nxd5 24.Rxe8+ Qxe8 25.cxd5 0:10 2/11 0.72 2589795 17.Nxe6 fxe6 18.Qxb7 Bh2+ 19.Kh1 Qxb7 20.Kxh2 Ne4 21.Bxe6+ Kh8 22.f4 Qc6 23.Bg4 Nf6 0:27 2/12 0.92 6572025 17.Nxe6 fxe6 18.Qxb7 Bh2+ 19.Kh1 Qxb7 20.Bxe6+ Kh8 21.Kxh2 Qc6 22.Bb3 Ne4 23.f4 g5 24.g3 1:09 3/13 0.67 16724462 17.Nxe6 fxe6 18.Qxb7 Bh2+ 19.Kh1 Qxb7 20.Bxe6+ Kh8 21.Kxh2 Ne4 22.f4 Nc5 23.Bg4 Nd3 24.Bf3 Qd7 3:08 3/14 0.78 46636663 17.Nxe6 fxe6 18.Qxb7 Bh2+ 19.Kh1 Qxb7 20.Rxe6 Kh7 21.Bc2+ g6 22.Kxh2 Qd7 23.Bb3 Nd5 24.Re2 Qd6+ 25.g3 b5 The King chooses e5 in the initial position, with a score that slightly favors Black, up until 0:34, when it switches to Bh2+: Time Depth Score Positions Moves 0:00 1/4 -0.26 4368 15...Be5 16.Ne2 Bh2+ 17.Kf1 Qd8 0:00 1/4 -0.36 5503 15...Bh2+ 16.Kf1 Be5 17.Qe2 Bd6 0:00 1/5 -0.27 12782 15...Bh2+ 16.Kf1 Be5 17.Qe2 Bd6 18.Bd2 0:00 1/5 -0.50 23080 15...e5 16.Nf5 e4 17.Nxh6+ Kh8 18.Qe3 0:00 1/6 -0.63 37160 15...e5 16.Nf5 e4 17.Nxh6+ Kh8 18.Qe3 b5 0:00 1/7 -0.50 68914 15...e5 16.Nf5 e4 17.Nxh6+ Kh8 18.Qe3 Bh2+ 19.Kh1 Be5 0:01 1/8 -0.32 168229 15...e5 16.Nf5 e4 17.Nxh6+ Kh8 18.Qe3 Be6 19.Qg5 Rae8 0:04 1/9 -0.17 670260 15...e5 16.Nf5 e4 17.Nxh6+ Kh8 18.Qe3 Be6 19.Bxe6 fxe6 20.Ng4 Nxg4 21.hxg4 0:23 2/10 -0.17 3930130 15...e5 16.Nf5 e4 17.Nxh6+ Kh8 18.Qe3 Be6 19.Ng4 Bxb3 20.axb3 Nxg4 21.hxg4 Rfe8 22.Qh3+ Kg8 0:34 2/10 -0.38 5612609 15...Bh2+ 16.Kh1 Be5 17.Bd2 Rd8 18.Kg1 Bd7 19.Rxe5 Qxe5 20.Re1 Qc5 21.Bxh6 1:11 2/11 -0.33 12023556 15...Bh2+ 16.Kf1 Be5 17.Bd2 Bd7 18.Qe3 Bh2 19.c4 Bd6 20.Nf3 Bc6 21.Bc3 3:09 2/12 -0.21 32256800 15...Bh2+ 16.Kf1 Be5 17.Qe3 Bd6 18.Qf3 e5 19.Nf5 e4 20.Nxh6+ Kh8 21.Qe3 Be6 22.Qg5 jm
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