Author: Uri Blass
Date: 10:34:32 09/22/01
Go up one level in this thread
On September 22, 2001 at 12:26:34, Dan Andersson wrote: >Phalanx gets it after about one minute, on a slow machine. But that program has >a very good tactical evaluation. Study it carefully. Junior7 believes that Qa1+ Rb1 Qxb1 Nxb1 is losing Here is some analysis after that line on a slow p200 I admit that I do not understand the reason that Rh8 is a blunder and it seems that black has nothing good New position [D]r3r3/4pk2/ppp3pB/4P3/2pP4/1b4Q1/6P1/1N4K1 b - - 0 1 Analysis by Junior 7: 3...c3 4.Qf4+ Ke6 +- (2.14) Depth: 3 00:00:00 3...g5 4.Bxg5 ² (0.46) Depth: 3 00:00:00 3...e6 4.Qf3+ Ke7 5.Qxc6 = (0.20) Depth: 3 00:00:00 3...Bd1 4.Kf2 = (-0.04) Depth: 3 00:00:00 3...Ke6 4.Qxg6+ Kd5 = (-0.05) Depth: 3 00:00:00 3...Ke6 4.Qg4+ ± (1.02) Depth: 6 00:00:00 2kN 3...Ke6 4.Qg4+ Kf7 5.e6+ Kf6 6.Qe2 g5 7.Qe5+ Kg6 8.Qxg5+ Kh7 9.Qg7# +- (#7) Depth: 9 00:00:01 192kN 3...Bd1 4.e6+ Kxe6 5.Qe1+ Kd7 6.Qxd1 Red8 7.Qc2 Rh8 8.Qxc4 +- (1.67) Depth: 9 00:00:03 438kN 3...g5 4.Qxg5 Bc2 5.Na3 Bd3 6.Qg7+ Ke6 7.Kf2 +- (1.57) Depth: 9 00:00:05 932kN 3...b5 4.Qf3+ ± (1.02) Depth: 9 00:00:07 1272kN 3...b5 4.Qf3+ Kg8 5.e6 Kh7 6.Bg5 Rf8 7.Qh3+ Kg8 8.Bxe7 Rfe8 9.Bf6 Kf8 ± (1.39) Depth: 11 00:00:14 2465kN 3...b5 4.Qf3+ +- (1.69) Depth: 14 00:01:36 13688kN 3...b5 4.Qf3+ Kg8 5.e6 Rf8 6.Bxf8 Rxf8 7.Qxc6 Bc2 8.Na3 Bd3 9.Qxa6 c3 10.Qb7 c2 11.Nxc2 Rf1+ 12.Kh2 Bxc2 +- (1.84) Depth: 16 00:08:09 72259kN Uri
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