Author: Uri Blass
Date: 05:34:02 09/25/01
Go up one level in this thread
On September 25, 2001 at 00:44:25, Jouni Uski wrote: >[D]r4rk1/ppq3pp/2p1Pn2/4p1Q1/8/2N5/PP4PP/2KR1R2 w - - bm Rxf6 > >This is definitely correct if very difficult! In my PC only Tiger solves under >1 hour. > >Jouni Deep Fritz after some learning can also solve it Deep Fritz believes that the position is easy after seeing the solution New position [D]r4rk1/ppq3pp/2p1Pn2/4p1Q1/8/2N5/PP4PP/2KR1R2 w - - 0 1 Analysis by Deep Fritz: 1.Qxf6-- -+ (-1.41) Depth: 1/4 00:00:00 1.Qxf6-- Rxf6 -+ (-6.25) Depth: 1/5 00:00:00 1.Rxf6! -+ (-4.62) Depth: 1/5 00:00:00 1.Rxf6! Rxf6 -+ (-2.28) Depth: 1/5 00:00:00 1.Rde1! µ (-1.25) Depth: 1/5 00:00:00 1.Rde1! e4 = (-0.22) Depth: 1/5 00:00:00 1.Rde1 e4 2.Nxe4 = (-0.06) Depth: 2/9 00:00:00 1.Rfe1! = (-0.03) Depth: 2/9 00:00:00 1.Rfe1! Rad8 2.Rxd8 Rxd8 3.Rxe5 h6 4.Qf4 Nd5 5.Nxd5 cxd5+ 6.Kd1 = (0.00) Depth: 2/11 00:00:00 1.Rfe1 Rad8 2.Rxd8 Rxd8 3.Rxe5 h6 4.Qf4 Nd5 5.Nxd5 cxd5+ 6.Kd1 = (0.00) Depth: 3/11 00:00:00 1.Rfe1 Rad8 2.Rxd8 Rxd8 3.Rxe5 h6 4.Qf4 Nd5 5.Nxd5 cxd5+ 6.Kd1 = (0.00) Depth: 4/11 00:00:00 1.Rfe1 Rad8 2.Rxd8 Rxd8 3.Rxe5 h6 4.Qf4 Nd5 5.Nxd5 cxd5+ 6.Kd1 = (0.00) Depth: 5/11 00:00:00 2kN 1.Rfe1 Rad8 2.Rxd8 Rxd8 3.Rxe5 h6 4.Qf4 Nd5 5.Nxd5 cxd5+ 6.Kd1 = (0.00) Depth: 6/11 00:00:00 4kN 1.Rfe1 Rad8 2.Rxd8 Rxd8 3.Rxe5 h6 4.Qf4 Nd5 5.Nxd5 cxd5+ 6.Kd1 = (0.00) Depth: 7/11 00:00:00 19kN 1.Rfe1 Rad8 2.Rxd8 Rxd8 3.Rxe5 h6 4.Qf4 Nd5 5.Nxd5 cxd5+ 6.Kd1 = (0.00) Depth: 8/11 00:00:00 36kN 1.Rfe1 Rad8 2.Rxd8 Rxd8 3.Rxe5 h6 4.Qf4 Nd5 5.Nxd5 cxd5+ 6.Kd1 = (0.00) Depth: 9/16 00:00:00 119kN 1.Rxf6! = (0.03) Depth: 9/22 00:00:00 293kN 1.Rxf6! Rxf6 2.Rd7 Rg6 ² (0.53) Depth: 9/23 00:00:00 297kN 1.Rxf6 Rxf6 2.Rd7 Rg6 3.Qf5 Qc8 4.Qf7+ Kh8 5.e7 ² (0.53) Depth: 10/18 00:00:00 332kN 1.Rxf6 Rxf6 2.Rd7 Rg6 3.Qf5 Qc8 4.Qf7+ Kh8 5.e7 ² (0.53) Depth: 11/21 00:00:00 604kN 1.Rxf6 Rxf6 2.Rd7 Rg6 3.Qf5 Qc8 4.Qf7+ Kh8 5.e7 ² (0.53) Depth: 12/26 00:00:01 1154kN 1.Rxf6 Rxf6 2.Rd7 Rg6 3.Qf5 Qc8 4.Qf7+ Kh8 5.e7 ² (0.53) Depth: 13/23 00:00:03 2681kN 1.Rxf6 Rxf6 2.Rd7 Rg6 3.Qf5 Qc8 4.Qf7+ Kh8 5.e7 ² (0.53) Depth: 14/27 00:00:08 5494kN 1.Rxf6! ± (0.84) Depth: 15/37 00:00:20 13329kN (Blass, Tel-aviv 25.09.2001) After letting Deep Fritz to forget the solution I get the following analysis New position r4rk1/ppq3pp/2p1Pn2/4p1Q1/8/2N5/PP4PP/2KR1R2 w - - 0 1 Analysis by Deep Fritz: 1.Qxf6-- -+ (-3.84) Depth: 1/3 00:00:00 1.Qxf6-- Rxf6 -+ (-6.25) Depth: 1/5 00:00:00 1.Rxf6! -+ (-4.62) Depth: 1/5 00:00:00 1.Rxf6! Rxf6 -+ (-2.28) Depth: 1/5 00:00:00 1.Rde1! µ (-1.09) Depth: 1/5 00:00:00 1.Rde1! = (-0.22) Depth: 1/5 00:00:00 1.Rde1 e4 2.Nxe4 = (-0.06) Depth: 2/9 00:00:00 1.Rfe1! = (-0.03) Depth: 2/9 00:00:00 1.Rfe1! e4 2.Nxe4 = (0.22) Depth: 2/9 00:00:00 1.Rfe1 e4 2.Nxe4 Nxe4 = (0.22) Depth: 3/7 00:00:00 1.Rfe1 Rae8 2.Rxe5 Qe7 = (0.06) Depth: 4/13 00:00:00 1kN 1.Rfe1 Rad8 2.Rxd8 Rxd8 3.Rxe5 Qe7 = (-0.03) Depth: 5/13 00:00:00 7kN 1.Rfe1 Rad8 2.Rxd8 Rxd8 3.Rxe5 Qe7 4.Ne4 = (0.03) Depth: 6/14 00:00:00 15kN 1.Rfe1 Rad8 2.Rxd8 Rxd8 3.Rxe5 Qe7 4.Ne4 Rf8 = (0.13) Depth: 7/19 00:00:00 74kN 1.Rfe1 Rad8 2.Rxd8 Rxd8 3.Rxe5 h6 4.Qg3 Qe7 5.Ne4 Nxe4 = (0.13) Depth: 8/20 00:00:00 170kN 1.Rfe1 Rad8 2.Rxd8 Rxd8 3.Rxe5 h6 4.Qg3 Qe7 5.Ne4 Nd5 = (0.09) Depth: 9/22 00:00:00 325kN 1.Rfe1 Rad8 2.Rxd8 Rxd8 3.Rxe5 h6 4.Qf5 Qe7 5.Ne4 Nxe4 6.Rxe4 Rd3 = (0.13) Depth: 10/30 00:00:01 864kN 1.Rfe1 Rad8 2.Rxd8 Rxd8 3.Rxe5 Rf8 4.h3 Qe7 5.Ne4 b6 6.g4 a6 = (0.09) Depth: 11/29 00:00:03 2299kN 1.Rfe1 Rad8 2.Rxd8 Rxd8 3.h4 h6 4.Qxe5 Qe7 5.Kb1 Rd6 6.Qf5 Nd5 = (0.03) Depth: 12/33 00:00:09 6275kN 1.Rfe1 Rad8 2.Rxd8 Rxd8 3.h4 h6 4.Qxe5 Qe7 5.Qf5 Nd5 6.Rf1 Qxh4 = (0.03) Depth: 13/31 00:00:30 19909kN 1.Rfe1 Rad8 2.Rxd8 Rxd8 3.h4 Qe7 4.Rxe5 h6 5.Qf5 Rf8 6.g3 Nd5 = (0.00) Depth: 14/35 00:00:55 36535kN 1.Rfe1 Rad8 2.Rxd8 Rxd8 3.Qxe5 Qe7 4.h3 Rd6 5.Ne4 Nxe4 6.Rxe4 Rd5 = (0.00) Depth: 15/38 00:03:03 120094kN (Blass, Tel-aviv 25.09.2001) Uri
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