Author: K. Burcham
Date: 08:44:26 07/17/02
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You show below that the two programs play 36.Qb6, not axb5. You are actually strengthening Kasparov's question "how could Deep Blue fail to play 36.Qb6 ?". 5 years later, I've yet to see a program that plays 36.axb5. Amir Deep Blue Game 2 move 36 Fritz 7 on 1533 mhz amd with 432 hash, will play 36.axb5 between 39 minutes and up to 70 minutes in eval, (see below). like I said the three positions after blacks move 40 seem equal. both programs threaten the same as Deep Blue and will play without human interference the moves Be4 and axb5. the newer programs accomplish same objective by playing axb5, just not first move in this line. kburcham [D] r1r1q1k1/6p1/p2b1p1p/1p1PpP2/PPp5/2P4P/R1B2QP1/R5K1 w - - 0 1 Fritz 7: 36.Qb6 Rd8 37.Be4 Be7 38.axb5 Rd6 39.Qa5 Bd8 40.Qa4 Bb6+ 41.Kh2 Ra7 42.bxa6 Qh5 ± (1.25) Depth: 13/31 00:00:09 8714kN 36.Qb6 Qe7 37.axb5 Rab8 38.Qxa6 e4 39.Re1 e3 40.Be4 Qxe4 41.Qxd6 Qxf5 42.g4 Qg5 43.Qe6+ ± (1.38) Depth: 14/33 00:00:26 23145kN 36.Qb6 Qe7 37.axb5 Rab8 38.Qxa6 e4 39.Re1 e3 40.Be4 Qxe4 41.Qxd6 Qxf5 42.Qe6+ Qxe6 43.dxe6 +- (1.53) Depth: 15/37 00:00:56 49950kN 36.Qb6 Qe7 37.axb5 Rab8 38.Qxa6 e4 39.Re1 e3 40.Be4 Bxb4 41.cxb4 Qxe4 42.Qe6+ Qxe6 43.fxe6 +- (1.41) Depth: 16/35 00:01:45 93910kN 36.Qb6 Qe7 37.axb5 Rab8 38.Qxa6 e4 39.Re1 e3 40.Be4 Bxb4 41.cxb4 Qxe4 42.Qe6+ Qxe6 +- (1.41) Depth: 17/40 00:04:10 223018kN 36.Qb6-- ± (1.13) Depth: 18/44 00:13:27 700013kN 36.Qb6 Qe7 37.axb5 Rab8 38.Qf2 axb5 39.Be4 Re8 40.Qg3 Qf8 41.Ra7 Ra8 42.Qg6 Rxa7 43.Rxa7 ± (0.97) Depth: 18/44 00:19:40 1023489kN 36.Qb6 Qe7 37.axb5 Rab8 38.Qf2 axb5 39.Be4 Qd8 40.Kh2 Ra8 41.Ra7 Rxa7 42.Rxa7 Ra8 ± (0.91) Depth: 19/43 00:32:06 1684197kN 36.axb5! ± (0.94) Depth: 19/43 00:39:45 2100074kN 36.axb5 axb5 37.Qb6 Rxa2 38.Rxa2 Ra8 39.Ra5 Rxa5 40.bxa5 Qb8 41.Qxb8+ Bxb8 42.Kf2 Kf7 43.h4 ± (0.81) Depth: 20/46 01:10:34 3737274kN 36.Qb6! ± (0.84) Depth: 20/46 01:22:35 4389780kN 36.Qb6 Qe7 37.axb5 Rab8 38.Qxa6 e4 39.Qa7 Qe5 40.Qe3 Bc7 41.Qxe4 Qh2+ 42.Kf1 Re8 43.Qf3 ± (0.84) Depth: 21/50 03:07:12 9956828kN 36.Qb6 Qe7 37.axb5 Rab8 38.Qe3 axb5 39.Be4 Qd8 40.Kh2 Ra8 41.Ra6 Rcb8 42.Qf2 Kf8 43.Ra7 ± (0.88) Depth: 22/51 05:59:32 19224339kN 36.Qb6 Qe7 37.axb5 Rab8 38.Qe3 axb5 39.Be4 Qd8 40.Kh2 Ra8 41.Ra6 Rcb8 ± (0.84) Depth: 23/58 12:57:38 41667827kN
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