Author: John Merlino
Date: 13:31:58 12/17/03
[D]4r1k1/2q1pp2/3n2pp/2rPR3/pp4P1/1P2QR1P/1P2NP2/6K1 w - - 0 29 Black has just played 28...a4, which loses by a tempo. How long does it take your engine to see that White has won (times for both scores above +1, and then scores above +2 might be interesting) and that the potential outside passed pawn for Black will not be a factor? The game continued: 29.Qxh6 a3 30.bxa3 bxa3 31.Rg5! a2 32.Rxf7! a1=Q+ 33.Kg2 and Black resigned. Here is what CM9000, SKR personality, says on a P4-2.4: Time Depth Score Positions Moves 0:00 1/3 0.39 1530 29.Qxh6 a3 30.bxa3 bxa3 0:00 1/4 0.25 6169 29.Qxh6 a3 30.bxa3 bxa3 31.Nd4 Rc1+ 32.Kh2 0:00 1/5 0.16 29720 29.Qxh6 a3 30.bxa3 bxa3 31.b4 a2 32.Ra3 Rc2 0:00 1/6 0.26 140272 29.Qxh6 axb3 30.Nd4 Nb5 31.d6 Rc1+ 32.Kh2 Qxd6 0:01 1/7 0.00 440005 29.Qxh6 a3 30.bxa3 bxa3 31.Nd4 Nb5 32.Re6 Nxd4 33.Rxg6+ fxg6 34.Qxg6+ Kh8 35.Qh6+ Kg8 36.Rf8+ Rxf8 37.Qg6+ Kh8 38.Qh6+ Kg8 0:03 1/8 0.10 1102392 29.Qxh6 a3 30.bxa3 bxa3 31.Nd4 Nf5 32.Rfxf5 Rc1+ 33.Kg2 gxf5 34.Rxf5 0:17 1/9 1.14 6173474 29.Qxh6 e6 30.Nd4 a3 31.Nxe6 fxe6 32.Rxe6 Qg7 33.Qxg7+ Kxg7 34.Rxd6 axb2 35.Rd7+ Kh6 1:29 1/10 2.56 31643541 29.Qxh6 a3 30.bxa3 bxa3 31.Rg5 Qb6 32.Rxg6+ fxg6 33.Qxg6+ Kh8 34.Qh6+ Kg8 35.Rf5 Nxf5 36.Qxb6 a2 37.Qe6+ Kh8 38.Qe5+ Ng7 39.Nf4 2:53 1/11 2.72 60450631 29.Qxh6 a3 30.bxa3 bxa3 31.Rg5 Rc6 32.dxc6 a2 33.Rxf7 a1=Q+ 34.Kg2 Qxc6+ 35.Rf3 Qxf3+ 36.Kxf3 Qf6+ 37.Kg2 Kf7 38.Qh7+ Qg7 39.Qxg7+ Kxg7 My apologies if this position is too easy. I just thought it was interesting.... jm
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