Author: Roy Brunjes
Date: 15:04:07 01/25/01
Go up one level in this thread
On January 25, 2001 at 17:01:41, David Rasmussen wrote: >[D]1k1r1bnr/ppp1qbpp/3p2n1/3Pp3/N3Pp2/1QN2P2/PPP1BBPP/R2R2K1 w - - 0 1 > >I made this up a couple of minutes ago, at random. I was quite sure that there >would something tactical in it for white. It turned out there was, starting with >Nb5. But my program took 57 seconds to fail high the first time at depth 11, >only to get a score of 0.85 at research. I wouldn't say that Chezzz understood >what happened until depth 12, where it fails high with +1.18 and gets +2.06 at >research. This took 570 seconds... > >I'm sure a lot of programs will see this within the first second or so... Fritz 6 has little trouble with this one: New position 1k1r1bnr/ppp1qbpp/3p2n1/3Pp3/N3Pp2/1QN2P2/PPP1BBPP/R2R2K1 w - - 0 1 Analysis by Fritz 6: 1.Qxb7+-- -+ (-4.56) Depth: 1/3 00:00:00 1.Qxb7+-- Kxb7 -+ (-7.09) Depth: 1/3 00:00:00 1.Bxa7+! -+ (-4.56) Depth: 1/3 00:00:00 1.Bxa7+! Kxa7 -+ (-1.78) Depth: 1/3 00:00:00 1.Bd3! = (-0.09) Depth: 1/3 00:00:00 1.Bd3! ² (0.47) Depth: 1/3 00:00:00 1.Bd3 Nf6 ² (0.28) Depth: 2/4 00:00:00 1.Ba6! ² (0.38) Depth: 2/4 00:00:00 1.Ba6! c6 ² (0.56) Depth: 2/6 00:00:00 1.Ba6 c6 2.Bc4 ² (0.56) Depth: 3/11 00:00:00 1.Ba6 c6 2.Bc4 c5 ± (0.72) Depth: 4/16 00:00:00 1kN 1.Ba6 c6 2.Bc4 c5 3.Bd3 ± (0.75) Depth: 5/13 00:00:00 3kN 1.Ba6 c6 2.Bc4 c5 3.Bd3 Nf6 ² (0.56) Depth: 6/17 00:00:00 10kN 1.Ba6 c6 2.Bc4 c5 3.Ne2 Nf6 4.Nac3 ² (0.63) Depth: 7/24 00:00:00 44kN 1.Ba6 c6 2.Bd3 Nf6 3.Bc4 c5 ² (0.50) Depth: 8/24 00:00:00 251kN 1.Ba6 c5 2.Ne2 Nf6 3.Nac3 Rc8 4.Bd3 Re8 5.Qc4 ² (0.69) Depth: 9/26 00:00:01 441kN 1.Ba6 c5 2.Bb5 Nh4 3.Bc6 g5 4.a3 Ka8 5.Bxh4 gxh4 ² (0.56) Depth: 10/25 00:00:02 844kN 1.Ba6 c5 2.Bf1 Nf6 3.Bd3 Qc7 4.Nb5 Qd7 5.Nac3 Be7 ² (0.56) Depth: 11/33 00:00:06 1993kN 1.Nb5! ² (0.59) Depth: 11/33 00:00:07 2438kN 1.Nb5! c5 2.dxc6 bxc6 3.Bxa7+ Qxa7+ 4.Nxa7+ Bxb3 5.Nxc6+ Kc7 ± (1.06) Depth: 11/33 00:00:10 3571kN 1.Nb5! ± (1.38) Depth: 12/30 00:00:15 5368kN 1.Nb5! c5 2.dxc6 bxc6 3.Bxa7+ Qxa7+ 4.Nxa7+ Bxb3 5.Nxc6+ Kc7 +- (1.50) Depth: 12/34 00:00:18 6531kN 1.Nb5 c5 2.dxc6 bxc6 3.Bxa7+ Qxa7+ 4.Nxa7+ Bxb3 5.Nxc6+ Kc7 +- (1.63) Depth: 13/35 00:00:38 13623kN 1.Nb5! +- (1.94) Depth: 14/34 00:01:13 25726kN 1.Nb5! c5 2.dxc6 bxc6 3.Bxa7+ Qxa7+ 4.Nxa7+ Bxb3 5.Nxc6+ Kc7 +- (2.25) Depth: 14/39 00:01:49 38662kN
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