Author: Enrique Irazoqui
Date: 10:36:44 03/01/01
Go up one level in this thread
On March 01, 2001 at 13:16:02, José Antônio Fabiano Mendes wrote: > Bronstein-Korchnoi;Moscow,1962 > [D]1Q2R3/5qpk/7p/8/6P1/1p3P2/1P1r2PK/8 b > Korchnoi played 1...Qxf3?? and resigned after 2.Rh8+ Kg6 3.Rxh6+!! 1-0 > a)3...Kxh6 4.Qh8+ Kg6 5.Qh5+ Kf6 6.g5+! > b)3...gxh6 4.Qg8+ Kf6 5.Qf8+ Ke6 6.Qxf3 > c)3...Kf7 4.Qc7+ Kg8 5.Qc8+ Kf7 6.Qe6+ Kf8 7.Rh8 mate. > Source: "Test your Chess IQ",Book 2,by A.Livshitz,Pergamon Press,1981, > position 767,pages 83 and 84 JAFM That's an easy one. Deep Shredder and Deep Fritz drop Qxf3 in less than one second. New position 1Q2R3/5qpk/7p/8/6P1/1p3P2/1P1r2PK/8 b - - 0 1 Analysis by DEEP FRITZ : 1...Qxe8-- ± (1.12) Depth: 1/3 00:00:00 1...Qxe8-- 2.Qxe8 +- (3.00) Depth: 1/4 00:00:00 1...Qxf3! +- (2.06) Depth: 1/4 00:00:00 1...Qxf3! 2.Rh8+ Kg6 µ (-0.88) Depth: 1/4 00:00:00 1...Qxf3 2.Rh8+ Kg6 3.Qe8+ Kg5 ³ (-0.63) Depth: 2/6 00:00:00 1...Qxf3 2.Rh8+ Kg6 3.Qd6+ Rxd6 ³ (-0.47) Depth: 3/10 00:00:00 1...Qxf3 2.Rh8+ Kg6 3.Qd6+ Rxd6 4.gxf3 ³ (-0.47) Depth: 4/13 00:00:00 1kN 1...Qxf3 2.Rh8+ Kg6 3.Qe8+ Qf7 4.Qe5 Qd5 5.Qe8+ Qf7 6.Qe5 Qd5 7.Qe8+ ³ (-0.59) Depth: 5/15 00:00:00 3kN 1...Qxf3-- = (-0.25) Depth: 6/18 00:00:00 6kN 1...Qxf3-- 2.Rh8+ Kg6 3.Rxh6+ gxh6 4.Qg8+ Kf6 5.Qf8+ Ke5 6.Qxf3 +- (2.34) Depth: 6/19 00:00:00 10kN 1...Rxb2! +- (2.31) Depth: 6/19 00:00:00 16kN 1...Rxb2! 2.Qe5 Qg6 3.Qxb2 Qxe8 4.Qxb3 ² (0.66) Depth: 6/19 00:00:00 25kN 1...Kg6! ² (0.62) Depth: 6/19 00:00:00 41kN 1...Kg6! 2.Qb6+ Kh7 3.Qb8 = (0.00) Depth: 6/19 00:00:00 77kN 1...Kg6 2.Qb6+ Kh7 3.Qb8 = (0.00) Depth: 7/21 00:00:00 148kN 1...Kg6-- ² (0.47) Depth: 8/22 00:00:00 218kN 1...Kg6-- ² (0.47) Depth: 8/22 00:00:00 262kN 1...Kg6 2.f4 Qd5 3.f5+ Kg5 4.Qg3 Qd6 5.Qxd6 Rxd6 6.Kh3 Rd3+ 7.g3 ² (0.47) Depth: 9/25 00:00:01 602kN 1...Kg6 2.Kh3 Rd7 3.Re3 Rb7 4.Qe5 Kh7 5.Qf5+ Kg8 6.Qxf7+ Kxf7 7.f4 ² (0.69) Depth: 10/27 00:00:03 2146kN 1...Kg6 2.Kh3 Qd5 3.Re5 Qd6 4.Qxd6+ Rxd6 5.Re3 Rb6 6.f4 Kf6 ± (0.72) Depth: 11/27 00:00:09 5269kN 1...Kg6 2.Kh3 Qd5 3.Rg8 Re2 4.Qf8 Re7 5.Qxe7 Qxg8 6.Qd6+ ± (0.81) Depth: 12/30 00:00:16 9402kN 1...Kg6 2.Kh3 Rd3 3.Qe5 Qd5 4.Re6+ Kh7 5.Qxd5 Rxd5 6.Re3 Rb5 7.Kg3 ± (0.84) Depth: 13/32 00:00:43 25882kN (Irazoqui, Cadaqués 01.03.2001) 1.00 0:00 +1.27++ 1...Rxb2 (1) 0.5 1.00 0:00 +1.27 1...Rxb2 (2) 0.2 1.00 0:00 +1.69++ 1...Qxf3 (39) 2.7 1.00 0:00 +1.69 1...Qxf3 (40) 2.1 2.00 0:00 +1.34-- 1...Qxf3 2.Rh8+ Kg6 3.Qd6+ Kf7 (175) 7.0 2.00 0:00 +0.72-- 1...Qxf3 2.Rh8+ Kg6 3.Qd6+ Rxd6 4.gxf3 (185) 5.7 2.00 0:00 +0.52 1...Qxf3 2.Rh8+ Kg6 3.Qd6+ Rxd6 4.gxf3 (250) 6.7 3.00 0:00 +0.52 1...Qxf3 2.Rh8+ Kg6 3.Qd6+ Rxd6 4.gxf3 (616) 13.6 4.00 0:00 +0.77++ 1...Qxf3 2.Rh8+ Kg6 3.Qd6+ Rxd6 4.Ra8 Qxa8 (2.607) 42.7 4.00 0:00 +0.93 1...Qxf3 2.Rh8+ Kg6 3.Qe8+ Qf7 4.Qe4+ Kg5 5.Qe5+ Kxg4 (4.179) 55.7 5.00 0:00 +0.93 1...Qxf3 2.Rh8+ Kg6 3.Qe8+ Qf7 4.Qe4+ Kg5 5.Qe5+ Kxg4 (4.959) 58.3 6.00 0:00 +0.68-- 1...Qxf3 2.Rh8+ Kg6 3.Rxh6+ Kg5 4.Qe5+ Qf5 5.Qxf5+ Kxh6 6.Kg1 Rxb2 (15.618) 111.5 6.00 0:00 +0.18-- 1...Qxf3 2.Rh8+ Kg6 3.Rxh6+ Kg5 4.Qe5+ Kxg4 5.Qh5+ Kf4 6.Qxf3+ Ke5 (16.108) 108.8 6.00 0:00 -4.44 1...Qxf3 2.Rh8+ Kg6 3.Rxh6+ Kxh6 4.Qh8+ Kg5 5.Qh5+ Kf6 6.g5+ Ke6 7.Qxf3 Rxb2 (30.752) 146.4 6.00 0:00 -4.43++ 1...Rxb2 2.Rh8+ Kg6 3.Qe5 Ra2 4.Qh5+ Kf6 5.Qf5+ Ke7 6.Qg5+ hxg5 7.Re8+ Qxe8 (46.094) 167.6 6.00 0:00 -4.08++ 1...Rxb2 2.Rh8+ Kg6 3.Qe5 Ra2 4.Qh5+ Kf6 5.Qf5+ Ke7 6.Qg5+ hxg5 7.Re8+ Qxe8 (54.510) 174.7 6.00 0:00 0.00 1...Rxb2 2.Rh8+ Kg6 3.Qe5 Ra2 4.Qd6+ Kg5 5.Qe5+ Kg6 6.Qd6+ (71.091) 178.6 7.01 0:00 0.00 1...Rxb2 2.Rh8+ Kg6 3.Qe5 Ra2 4.Qd6+ Kg5 5.Qe5+ Kg6 6.Qd6+ (91.399) 180.9 8.01 0:00 -0.25-- 1...Rxb2 2.Rh8+ Kg6 3.Qe5 Ra2 4.Qd6+ Kg5 5.Rf8 Qxf3 6.Qe5+ Kxg4 7.Rxf3 (124.842) 180.9 8.01 0:01 -0.75-- 1...Rxb2 2.Rh8+ Kg6 3.Qe5 Ra2 4.f4 Qc7 5.Rxh6+ gxh6 6.Qxc7 (284.410) 204.6 8.01 0:03 -3.26 1...Rxb2 2.f4 Qd7 3.f5 Rxg2+ 4.Kxg2 Qc6+ 5.Kg3 Qc2 (881.761) 220.9 8.03 0:04 -3.25++ 1...Kg6 2.Qb6+ Kh7 3.Rh8+ Kxh8 4.Qxh6+ gxh6 5.Kg1 (976.905) 223.2 8.03 0:04 -2.90++ 1...Kg6 2.Qb6+ Kh7 3.Rh8+ Kxh8 4.Qxh6+ gxh6 5.Kg1 Rxb2 6.g5 hxg5 (1.012.695) 224.4 8.03 0:06 -0.75 1...Kg6 2.Qb4 Qd5 3.Re7 Rxb2 4.Qb6+ Kh7 5.Qf6 Qg5 6.Qxb2 Qxe7 7.Qxb3 (1.403.478) 220.8 9.01 0:08 -1.00-- 1...Kg6 2.Kh3 Rxb2 3.Qe5 Qe6 4.Rxe6+ Kf7 5.Qxb2 Kxe6 (1.763.989) 217.2 9.01 0:09 -1.09 1...Kg6 2.Kh3 Qd5 3.Rh8 Re2 4.Qb6+ Re6 5.Qf2 Qg5 6.Kg3 (1.988.505) 217.2 10.01 0:13 -1.20 1...Kg6 2.Kh3 Qd5 3.Rg8 Qf7 4.Qe5 Kh7 5.Re8 (2.912.271) 215.6
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