Author: Martin Giepmans
Date: 15:07:36 03/17/03
Go up one level in this thread
On March 17, 2003 at 17:21:47, Jorge Pichard wrote:
>How many top programs will play the correct Qxe3+ in this position without its
>ending database activated.
>
>This game was played between Keres vs Botvininnik in the 1948 championship.
>Here Botvinnik calculated a straight-forward way to win by simply exchanging off
>the queens. Here most programs would see this as a blunder by weakening the
>position and leaving Black only slightly better. As a matter of fact most top
>programs of today without it end game database would play Qd1?
>
>[D]8/kp6/P5p1/2p1p3/2PpP3/3P3Q/4q3/6K1 b - - 0 1
Easy for my top program ;)
SpiderChess (AMD 2000 XP):
......
09 0:00:00 + 2.74 A7xA6 H3-E6 B7-B6 E6xE5 E2xD3 E5-E6 D3-G3 G1-F1 G6-G5 ...
10 0:00:00 + 2.49 A7xA6 H3-E6 B7-B6 E6xE5 E2xD3 E5-D5 D3-G3 G1-F1 G3-F3 ...
11 0:00:01 + 2.05 A7xA6 H3-C8 E2-E3 G1-G2 E3-D2 G2-H1 D2-D1 H1-H2 D1-C2 ...
0:00:02 + 2.11 E2-E1 G1-G2 E1-D2 G2-H1 D2-C1 H1-H2 C1-F4 H2-H1 F4-E3 ...
11 0:00:02 + 2.07 E2-E1 G1-G2 E1-D2 G2-H1 D2-C1 H1-G2 C1-G5 G2-F1 G5-D2 ...
12 0:00:03 + 2.35 E2-E1 G1-G2 E1-D2 G2-H1 D2-C1 H1-H2 C1-F4 H2-H1 A7xA6 ...
12 0:00:03 + 2.35 E2-E1 G1-G2 E1-D2 G2-H1 D2-C1 H1-H2 C1-F4 H2-H1 A7xA6 ...
13 0:00:07 + 2.18 E2-E1 G1-G2 E1-D2 G2-H1 D2-C1 H1-H2 C1-F4 H2-G2 A7xA6 ...
14 0:00:10 + 2.49 E2-E1 G1-G2 E1-D2 G2-H1 D2-C1 H1-H2 C1-F4 H2-G2 A7xA6 ...
14 0:00:11 + 2.49 E2-E1 G1-G2 E1-D2 G2-H1 D2-C1 H1-H2 C1-F4 H2-G2 A7xA6 ...
15 0:00:17 + 2.49 E2-E1 G1-G2 E1-D2 G2-H1 D2-C1 H1-H2 C1-F4 H2-G2 A7xA6 ...
16 0:00:29 + 2.49 E2-E1 G1-G2 E1-D2 G2-H1 D2-C1 H1-H2 C1-F4 H2-G2 A7xA6 ...
0:00:31 + 3.27 E2-E3 H3xE3 D4xE3 A6xB7 A7xB7 G1-G2 B7-B6 G2-F3 B6-A5
F3xE3 A5-B4 E3-D2 G6-G5 D2-C2 G5-G4 C2-D2 G4-G3 D2-E2
B4-C3 E2-E3 G3-G2
16 0:00:32 + 3.27 E2-E3 H3xE3 D4xE3 A6xB7 A7xB7 G1-G2 B7-B6 G2-F3 B6-A5
F3xE3 A5-B4 E3-D2 G6-G5 D2-C2 G5-G4 C2-D2 G4-G3 D2-E2
B4-C3 E2-E3 G3-G2
17 0:00:38 + 6.42 E2-E3 H3xE3 D4xE3 A6xB7 A7xB7 G1-G2 B7-B6 G2-F3 B6-A5
F3xE3 A5-B4 E3-D2 G6-G5 D2-E3 B4-C3 E3-E2 C3-D4 E2-D2
G5-G4 D2-E2 G4-G3
17 0:00:39 + 7.98 E2-E3 H3xE3 D4xE3 A6xB7 A7xB7 G1-G2 B7-B6 G2-F3 B6-A5
F3xE3 A5-B4 E3-D2 G6-G5 D2-E3 B4-C3 E3-E2 G5-G4 E2-F2
C3xD3 F2-G3 D3xE4 G3xG4
Cheers,
Martin
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