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Subject: Re: Two Positions

Author: Vincent Diepeveen

Date: 07:05:19 11/10/01

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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.

>[D] r3k2r/1q3ppp/p3p3/6P1/1n2pP2/2P5/1P4QP/1R2KB1R b Kkq - am Rd8

00:00 0 0 8 (0) 1 -1.767 Nb4-d3 Bf1xd3
00:00 0 0 17 (0) 1 0.187 Nb4-d5 Qg2xe4
00:00 0 0 20 (0) 1 1.347 Nb4-a2
00:00 0 0 193 (0) 2 0.811 Nb4-a2 Ke1-f2
00:00 0 0 1193 (0) 3 0.001 Nb4-a2 Bf1-d3 f7-f5 g5xf6
++ b4-d5
00:00 0 0 1506 (0) 3 0.967 Nb4-d5 Qg2xe4 O-O
00:00 0 0 3518 (0) 4 0.594 Nb4-d5 Qg2xe4 O-O f4-f5
00:00 0 0 10546 (0) 5 0.244 Nb4-d5 Qg2xe4 Ra8-b8 Qe4-a4 Qb7-d7 Qa4xd7 Ke8xd7
00:00 0 0 27413 (0) 6 0.141 Nb4-d5 Qg2xe4 Ra8-b8 Qe4-a4 Qb7-d7 Qa4-d4 O-O Bf1xa6

++ e8-g8
00:01 0 0 62882 (0) 6 0.262 O-O c3xb4 Qb7xb4 Qg2-d2 Qb4-b6 Qd2-f2 Qb6-d6
++ a8-d8
00:01 0 0 81567 (0) 6 0.998 Ra8-d8 c3xb4 Qb7xb4 Ke1-f2 Rd8-d2 Bf1-e2 Qb4-c4
00:02 14 0 107197 (0) 7 0.415 Ra8-d8 c3xb4 Qb7xb4 Ke1-f2 Qb4-d2 Kf2-g3 Qd2-e3 Kg
3-g4 h7-h5 g5xh6
00:04 98 0 217087 (0) 8 1.076 Ra8-d8 c3xb4 Qb7xb4 Ke1-f2 Rd8-d2 Bf1-e2 Qb4-d4 Kf
2-f1 O-O Qg2-g1
00:06 518 0 406544 (0) 9 1.079 Ra8-d8 c3xb4 Qb7xb4 Ke1-f2 Rd8-d2 Bf1-e2 Qb4-d4 K
f2-f1 O-O Qg2-f2 Qd4-d6
00:17 1297 0 1079004 (0) 10 0.631 Ra8-d8 c3xb4 Qb7xb4 Ke1-f2 Qb4-d2 Kf2-g3 Qd2-e
3 Kg3-h4 h7-h6 g5-g6 Qe3xf4 Kh4-h3 Rd8-d2 g6xf7 Ke8xf7
01:05 4428 0 4135517 (0) 11 0.620 Ra8-d8 c3xb4 Qb7xb4 Ke1-f2 Rd8-d2 Bf1-e2 Qb4-d
4 Kf2-f1 O-O Qg2-f2 e4-e3 Qf2-f3 Rf8-b8
04:00 12604 0 15153162 (0) 12 0.375 Ra8-d8 c3xb4 Qb7xb4 Ke1-f2 Qb4-d2 Kf2-g3 Qd2
-e3 Kg3-h4 Qe3xf4 Qg2-g4 Qf4-f2 Qg4-g3 Qf2-b6 Bf1-g2 h7-h6 Bg2xe4 Rd8-d4
14:45 36071 0 54315376 (0) 13 1.059 Ra8-d8 c3xb4 Qb7xb4 Ke1-f2 Rd8-d2 Bf1-e2 Qb4
-c5 Kf2-f1 Qc5-c2 Rb1-a1 O-O b2-b4 Qc2-b2 Ra1-a4 Qb2-d4
22:56 67179 0 84705493 (0) 14 1.106 Ra8-d8 c3xb4 Qb7xb4 Ke1-f2 Rd8-d2 Bf1-e2 Qb4
-c5 Kf2-f1 Qc5-c2 Rb1-a1 Qc2xb2 Ra1-e1 Qb2-d4 Qg2-f2 Qd4-c3 Kf1-g2
01:05:53 148066 0 236643621 (0) 15 1.110 Ra8-d8 c3xb4 Qb7xb4 Ke1-f2 Rd8-d2 Bf1-e
2 Qb4-c5 Kf2-f1 Qc5-c2 Rb1-e1 O-O Qg2-g3 Qc2xb2 Qg3-e3 Qb2-c2 Re1-a1



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