Author: Uri Blass
Date: 01:51:35 12/12/01
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On December 12, 2001 at 04:37:05, Gian-Carlo Pascutto wrote: >On December 12, 2001 at 04:25:13, Dann Corbit wrote: > >>I think something >>is getting null move pruned or whatever by some of the programs. Bxe4 is a >>loser. > >I would second that notion. Watch what happens when >Pepito switches away. I do not have pepito but here is Deep Fritz without null move pruning after Bxe4 p800(48 mbytes hash) New position [D]5rk1/ppq4p/3b2p1/1b1p1p2/3PB3/2P2QP1/P2B1P1P/R3R1K1 b - - 0 1 Analysis by Deep Fritz(selectivity=0): 1...fxe4! +- (4.06) Depth: 1/2 00:00:00 1...fxe4! = (0.22) Depth: 1/2 00:00:00 1...fxe4 2.Qe3 ² (0.28) Depth: 2/5 00:00:00 1...fxe4 2.Qe3 Bc4 = (0.09) Depth: 3/6 00:00:00 1...fxe4 2.Qg4 Bc4 3.Bg5 = (0.09) Depth: 4/10 00:00:00 1kN 1...fxe4 2.Qg4 Bc4 3.Re3 Qf7 = (0.06) Depth: 5/12 00:00:00 10kN 1...fxe4 2.Qg4 Bc4 3.Bh6 Rf6 4.Bg5 = (0.09) Depth: 6/14 00:00:00 38kN 1...fxe4 2.Qg4 Bc4 3.Bh6 Rf6 4.Re3 b5 = (0.09) Depth: 7/17 00:00:00 190kN 1...fxe4 2.Qg4 Kg7 3.Qh3 Rf5 4.Qh6+ Kg8 5.Qe3 Bc4 = (0.09) Depth: 8/22 00:00:01 875kN 1...fxe4 2.Qg4 Bc4 3.a4 b6 4.Rab1 Kg7 5.Re3 h6 = (0.00) Depth: 9/27 00:00:08 4253kN 1...fxe4 2.Qg4 Bc4 3.a4 Qf7 4.Be3 Qc7 5.a5 Rf3 = (0.00) Depth: 10/26 00:00:32 16703kN 1...fxe4 2.Qg4 Bc4 3.a4 Kg7 4.a5 Rf5 5.Rab1 Rf7 6.Qe6 = (0.00) Depth: 11/31 00:02:08 66123kN (Blass, Tel-aviv 12.12.2001) I do not know pepito score but it is possible that the evaluation is positional. I want to know if pepito can beat one of the commercial with black after 1.Bxe4 Uri
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