Author: Dann Corbit
Date: 07:14:55 06/02/04
Go up one level in this thread
On June 02, 2004 at 10:03:30, Bernhard Bauer wrote: >On June 02, 2004 at 09:46:18, Uri Blass wrote: > >>Theory says Kg7 >>Shredder7.04 says Kg6 >> >>Who is right? >> >>Blass,U - Fritz 8, 130'/40+130'/40+120' >>[D]r1bq1bnr/ppp2k2/2n4p/3B4/4PppP/2N5/PPPP2P1/R1BQK2R b KQ - 0 1 >> >>Analysis by Shredder 7.04: >> >>9...Kg7 10.d4 Kh7 11.Bxf4 Bg7 12.Nb5 Nf6 13.Bxc7 Bf5 14.Bxd8 >> -+ (-2.78) Depth: 1/3 00:00:00 >>9...Kg7 10.d4 Kh7 11.Bxf4 Bg7 12.Nb5 Nf6 13.Bxc7 Bf5 14.Bxd8 >> -+ (-2.78) Depth: 1/10 00:00:00 >>9...Kg7 10.d4 Kh7 11.Bxf4 Bg7 12.Nb5 Nf6 13.Bxc7 Bf5 14.Bxd8 >> -+ (-1.90) Depth: 2/10 00:00:00 >>9...Kg7 10.0-0 Bc5+ 11.d4 Bxd4+ 12.Be3 fxe3 13.Qxd4+ >> -+ (-1.91) Depth: 2/10 00:00:00 >>9...Kg7 10.Be6 Bxe6 11.Qxg4+ Bxg4 >> -+ (-2.16) Depth: 3/10 00:00:00 >>9...Kg7 10.d4 Qf6 11.e5 Nxe5 12.dxe5 Qxh4+ >> -+ (-2.16) Depth: 3/10 00:00:00 >>9...Kg7 10.d4 Qf6 11.e5 Nxe5 12.dxe5 Qxh4+ >> -+ (-1.90) Depth: 4/10 00:00:00 >>9...Kg7 10.d3 Bd6 11.0-0 Bc5+ 12.d4 Bxd4+ 13.Be3 fxe3 14.Qxd4+ >> -+ (-1.62) Depth: 4/10 00:00:00 >>9...Kg6 10.d3 Bd6 11.Bxc6 bxc6 12.d4 Nf6 13.0-0 Ba6 14.Rf2 >> -+ (-1.72) Depth: 4/10 00:00:00 >>9...Kg6 10.d3 Bd6 11.Bxc6 bxc6 12.d4 Nf6 13.0-0 Ba6 14.Rf2 >> -+ (-1.72) Depth: 4/10 00:00:00 >>9...Kg6 10.d3 Bd6 11.Bxc6 bxc6 12.d4 Nf6 13.0-0 Ba6 14.Rf2 >> -+ (-1.72) Depth: 5/10 00:00:00 >>9...Kg6 10.d3 Bd6 11.Bxc6 bxc6 12.d4 Nf6 13.0-0 Ba6 14.Rf2 >> -+ (-1.72) Depth: 6/10 00:00:00 3kN >>9...Kg6 10.d3 Bd6 11.Bxc6 bxc6 12.d4 Nf6 13.0-0 Ba6 14.Rf2 >> -+ (-1.72) Depth: 7/14 00:00:00 7kN >>9...Kg6 10.d3 Bd6 11.Bxc6 bxc6 12.d4 Nf6 13.0-0 >> -+ (-1.72) Depth: 8/16 00:00:00 23kN >>9...Kg6 10.d3 Bd6 11.Bxc6 bxc6 12.d4 Nf6 13.0-0 >> -+ (-1.72) Depth: 9/16 00:00:00 30kN >>9...Kg6 10.d3 Bd6 11.Bxc6 bxc6 12.d4 f3 13.gxf3 Bg3+ 14.Kd2 Qxd4+ 15.Ke2 gxf3+ >>16.Kxf3 Qxd1+ 17.Kxg3 Qxh1 >> -+ (-1.72) Depth: 10/25 00:00:03 285kN >>9...Kg6 10.Bxc6 bxc6 11.d4 Bg7 12.e5 Bf5 13.Bxf4 Kh7 14.0-0 Qxh4 15.Bg3 >> -+ (-1.79) Depth: 11/37 00:00:17 2239kN >>9...Kg6 10.Bxc6 bxc6 11.d4 Bg7 12.e5 Bf5 13.Bxf4 Rb8 14.0-0 Qxh4 15.g3 Qh3 >>16.Rb1 >> -+ (-1.60) Depth: 12/42 00:00:37 5097kN >>9...Kg6 10.Bxc6 bxc6 11.d3 Bg7 12.Bxf4 Rb8 13.Qc1 Kh7 14.0-0 Qxh4 15.Be3 g3 >>16.Rf7 Qh2+ 17.Kf1 >> -+ (-1.75) Depth: 13/43 00:02:18 19062kN >>9...Kg6 10.Bxc6 bxc6 11.d3 Bd6 12.d4 f3 13.gxf3 Bg3+ 14.Kf1 c5 15.Kg2 Bxh4 >>16.Be3 Kh7 >> -+ (-1.82) Depth: 14/43 00:05:42 46780kN >>9...Kg6 10.Bxc6 bxc6 11.d3 Rb8 12.Bxf4 Rxb2 13.Qc1 Rb7 14.Be5 Bg7 15.Bxg7 Kxg7 >>16.Qe3 Qf6 17.e5 >> -+ (-1.73) Depth: 15/47 00:13:11 104717kN >>9...Kg6 10.d4 Nge7 11.Bxc6 Nxc6 12.d5 Ne5 13.Bxf4 Bg7 14.0-0 Kh7 15.Bxe5 Bxe5 >>16.Rf7+ >> -+ (-1.84) Depth: 16/49 00:42:43 314942kN >> >>(Blass, Tel-Aviv 02.06.2004) > >IMHO computer programs are useless in such positions. You cannot trust them, as >they reach only low depth. So I would trust theory. >regards I trust either about the same. For this position, I don't think it is decided. A 16 ply search by Shredder is pretty reliable (as are careful GM analysis opinions). If the position were closed, I would trust the human by a landslide. In an open position like this, I think it will depend on how carefully it was studied originally.
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