Author: Uri Blass
Date: 09:33:17 11/10/01
Go up one level in this thread
On November 10, 2001 at 10:05:19, Vincent Diepeveen wrote: >On November 09, 2001 at 12:32:37, Gerd Isenberg wrote: > >>[D] 1N4k1/3b1p1p/P2p1b2/4p3/4Pp2/2QB1P2/5KPP/3q4 b KQkq - bm Bh4 >>The first one from M-CHESS PRO 5 - IsiChess WMCCC95 should be quite easy. Bh4 >>wins. > >Yes it is. 2 ply to be precise. note diep runs without dangerous >extensions in both positions. > >00:00 0 0 3 (0) 1 -0.878 Bd7-e6 >00:00 0 0 287 (0) 2 -4.330 Bd7-e6 a6-a7 >++ f6-h4 >00:00 0 0 402 (0) 2 -1.170 Bf6-h4 g2-g3 f4xg3 h2xg3 >00:00 0 0 1776 (0) 3 0.439 Bf6-h4 g2-g3 f4xg3 h2xg3 Bh4xg3 Kf2-g2 >00:00 0 0 4317 (0) 4 0.065 Bf6-h4 g2-g3 f4xg3 h2xg3 Bh4xg3 Kf2-g2 Bg3-e1 Qc3-a3 > >00:00 0 0 10340 (0) 5 0.105 Bf6-h4 g2-g3 f4xg3 h2xg3 Bh4xg3 Kf2-g2 Bg3-e1 Qc3-c2 > Qd1xc2 Bd3xc2 >00:00 0 0 22118 (0) 6 0.105 Bf6-h4 g2-g3 f4xg3 h2xg3 Bh4xg3 Kf2-g2 Bg3-e1 Qc3-c2 > Qd1xc2 Bd3xc2 >00:01 42 0 59976 (0) 7 0.015 Bf6-h4 g2-g3 f4xg3 h2xg3 Bh4xg3 Kf2-g2 Bg3-e1 Qc3-c >2 Bd7-h3 Kg2xh3 Qd1xf3 Kh3-h2 Be1-f2 >00:02 133 0 138482 (0) 8 1.801 Bf6-h4 g2-g3 f4xg3 h2xg3 Bh4xg3 Kf2-g2 Bg3-e1 Qc3 >-c2 Bd7-h3 Kg2-h2 Qd1xf3 a6-a7 Be1-f2 >00:05 436 0 363675 (0) 9 3.292 Bf6-h4 g2-g3 f4xg3 h2xg3 Bh4xg3 Kf2-g2 Bg3-e1 Qc3 >-c2 Bd7-h3 Kg2-h2 Qd1xf3 Kh2-g1 >00:20 1302 0 1333830 (0) 10 5.657 Bf6-h4 g2-g3 f4xg3 h2xg3 Bh4xg3 Kf2-g2 Bg3-e1 >Qc3-c2 Bd7-h3 Kg2xh3 Qd1xf3 Kh3-h2 Qf3-g3 Kh2-h1 Be1-f2 Qc2xf2 Qg3xf2 Bd3-c4 >00:35 3119 0 2433853 (0) 11 6.280 Bf6-h4 g2-g3 f4xg3 h2xg3 Bh4xg3 Kf2-g2 Bg3-e1 >Qc3xe1 Qd1xe1 a6-a7 Qe1-a1 Nb8xd7 Kg8-g7 Kg2-h3 Qa1xa7 Bd3-b5 >01:19 8756 0 5384386 (0) 12 7.136 Bf6-h4 g2-g3 f4xg3 h2xg3 Bh4xg3 Kf2-g2 Bg3-e1 >Qc3-c2 Bd7-h3 Kg2-g1 Qd1xf3 Nb8-d7 Bh3xd7 Bd3-c4 Qf3-e3 Kg1-h1 Bd7-h3 Bc4-d5 > >>The second one from Virtual Chess - IsiChess WM99 Paderborn. Rd8 looks >>promising. What does your program prefere? > >Rd8 from 6 ply and on. black up a full pawn in the end. full pawn I doubt it. Here is Junior7's analysis after the main line 1...Ra8-d8 2.c3xb4 Qb7xb4 3.Ke1-f2 Rd8-d2 4.Bf1-e2 Qb4-c5 5.Kf2-f1 Qc5-c2 6.Rb1-e1 O-O p200 was used but the analysis is for more than an hour and the score only goes up for white. The position looks optically good for black from human's point of view but I suspect that it is only an illusion. New position [D]5rk1/5ppp/p3p3/6P1/4pP2/8/1PqrB1QP/4RK1R w - - 0 1 Analysis by Junior 7: 7.g6 hxg6 -+ (-1.90) Depth: 3 00:00:00 7.f5 exf5 µ (-1.23) Depth: 3 00:00:00 7.b4 e3 µ (-0.94) Depth: 3 00:00:00 7.Ra1 e3 8.Rxa6 µ (-0.92) Depth: 3 00:00:00 7.Qh3 Qxb2 8.Bxa6 ³ (-0.66) Depth: 3 00:00:00 7.Qh3 a5 ³ (-0.47) Depth: 5 00:00:00 7.Qh3 a5 ³ (-0.47) Depth: 7 00:00:00 1kN 7.Qh3 a5 ³ (-0.47) Depth: 10 00:00:00 3kN 7.Qh3 a5 ³ (-0.47) Depth: 13 00:00:00 33kN 7.Qh3 Rb8 8.Qc3 Qxb2 9.Qxb2 Rbxb2 10.Kf2 a5 11.Ke3 a4 12.Rhg1 ³ (-0.65) Depth: 16 00:02:02 16955kN 7.h4 Rfd8 8.Rh3 g6 9.b3 ³ (-0.50) Depth: 16 00:04:47 39646kN 7.h4 f6 8.Qf2 e5 9.f5 Kh8 10.b4 Rc8 11.Qa7 ³ (-0.46) Depth: 17 00:08:55 74772kN 7.h4 f6 8.Qf2 Qb3 9.Kg1 Qxb2 10.Qe3 Rc8 11.Qxe4 Qb6+ 12.Kg2 Rcc2 ³ (-0.50) Depth: 18 00:15:10 127906kN 7.h4 f6 8.Qg4 f5 9.Qg1 Qxb2 10.Qa7 Qb8 11.Qe3 Qb4 12.h5 Rc8 13.Qa7 ³ (-0.42) Depth: 19 00:39:00 332688kN 7.h4 f5 8.Qf2 Qxb2 9.Qa7 Qb8 10.Qe3 Rc2 11.Bxa6 Rd8 12.Re2 Rc6 13.Qa3 Qxf4+ 14.Kg2 g6 ³ (-0.31) Depth: 20 01:31:47 766338kN Uri
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