Author: Uri Blass
Date: 12:01:03 07/07/03
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On July 07, 2003 at 14:32:04, Geoff wrote: >Hi > >Just thought I would post this game as it is easily the most interesting game my >engine has played to date. It is my favourite even though I lost this one. The >opponent was Gerbil(Black) Bruce Moreland's average strength program. >My program is usually not particularly attacking but seemed to be in a bed >temper and really aggressive mood today ;-) >After 29 moves it had got Gerbil cowering in the corner with a strong kingside >attack, all blacks major pieces on 6 adjacent squares. Here is the position if I >can get this thing to display > >[D]4rqn1/p3brk1/R5p1/6Bp/1p5Q/1B1R4/PPP2PPP/6K1 w - - 0 30 > > >Then my program then played Rxg6+ on move 30. Rxg6+ is a winning move Rg3 was the first blunder later. Rxh5+ was another blunder New game 4rqn1/p3brk1/R5p1/6Bp/1p5Q/1B1R4/PPP2PPP/6K1 w - - 0 1 Analysis by Fritz 8: 1.Re3! Bc5 2.Bxf7 Qxf7 3.h3 +- (3.03) Depth: 5/24 00:00:00 112kN 1.Re3 Bc5 2.Bxf7 Qxf7 3.h3 +- (3.03) Depth: 6/23 00:00:00 161kN 1.Re3 Bc5 2.Bxf7 Qxf7 3.h3 +- (3.03) Depth: 7/7 00:00:00 161kN 1.Re3 Bc5 2.Bxf7 Qxf7 3.h3 +- (3.03) Depth: 8/8 00:00:00 292kN 1.Rxg6+! +- (3.06) Depth: 8/29 00:00:04 1594kN 1.Rxg6+! +- (3.22) Depth: 8/29 00:00:04 1603kN 1.Rxg6+! +- (3.53) Depth: 8/29 00:00:04 1619kN 1.Rxg6+! +- (4.16) Depth: 8/29 00:00:04 1661kN 1.Rxg6+ Kxg6 2.Rh3 Qh6 3.Qe4+ Kg7 4.Bxh6+ Nxh6 5.Bxf7 +- (5.53) Depth: 8/35 00:00:04 1787kN 1.Rxg6+! +- (5.81) Depth: 9/27 00:00:04 1890kN 1.Rxg6+! +- (6.09) Depth: 9/27 00:00:05 1950kN 1.Rxg6+! +- (6.66) Depth: 9/30 00:00:05 2045kN 1.Rxg6+ Kxg6 2.Rh3 Qh6 3.Qe4+ Kg7 4.Bxh6+ Nxh6 5.Rg3+ Ng4 6.Qe5+ Rf6 +- (7.31) Depth: 9/33 00:00:05 2270kN 1.Rxg6+ Kxg6 2.Rh3 Qh6 3.Qe4+ Kg7 4.Bxh6+ Nxh6 5.Rg3+ Ng4 6.Qe5+ Rf6 +- (7.31) Depth: 10/33 00:00:09 3415kN 1.Rxg6+ Kxg6 2.Rh3 Qh6 3.Qe4+ Kg7 4.Bxh6+ Nxh6 5.Rg3+ Ng4 6.Qe5+ Rf6 +- (7.31) Depth: 11/31 00:00:16 5992kN 1.Rxg6+ Kxg6 2.Rh3 Qh6 3.Qe4+ Kg7 4.Bxh6+ Nxh6 5.Rg3+ Ng4 6.Qe5+ Rf6 7.Qxh5 Rg6 8.Qd5 Rd8 +- (7.09) Depth: 12/33 00:00:31 12894kN (Blass, Tel-Aviv 07.07.2003) Movei also can see big evaluation for Rxg6+ in a short time depth=7 +6.89 a6g6 g7g6 d3h3 g6f5 g5e7 f8h6 h3f3 f5e5 e7d6 e5d6 h4b4 d6d7 f3f7 g8e7 Nodes: 2695548 NPS: 204518 Time: 00:00:13.18 depth=9 +9.28 a6g6 g7g6 d3h3 f8h6 h4e4 g6g7 g5h6 g8h6 b3f7 h6f7 h3g3 g7f8 e4f4 e7c5 Nodes: 10725689 NPS: 202028 Time: 00:00:53.09 depth=10 +9.80 a6g6 g7g6 d3h3 f8h6 h4e4 g6g7 g5h6 g8h6 h3g3 h6g4 g3g4 h5g4 e4g4 e7g5 g4g5 g7f8 g5h6 f8e7 b3f7 e7f7 h6f4 f7g6 f4b4 Nodes: 16360840 NPS: 204689 Time: 00:01:19.93 > >Obviously this was a stupid move, throwing away the rook, which then led to my >program losing. Must be yet another bug for me to fix. I do not know. Maybe your program saw the win when it played Rxg6+ but forgot it later. Uri
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