Author: Martin Giepmans
Date: 11:04:01 12/27/01
Go up one level in this thread
On December 27, 2001 at 13:39:17, Pierre Bourget wrote:
>This is a study by Grigoriev # 1485 in ECE vol.1 , white to play win in this
>way: 1.f5 h4 2.f6 h3 3.f7 h2 4.f8=N h1=Q 5.Nd7 b3 6.Nc5+ Kb4 7.Na6+ Ka4 8.cxb3
>mate. But 4...b3 instead of h1=Q seems to be winning for black according to my
>computer.
>
>[D]8/8/8/pp1p3p/kp3P2/3PP3/1KP5/8 w - - 0 1
My Spider thinks you're right:
(position after f5 h4 f6 h3 f7 h2 f8N)
05 00:00:00 + 8.22 H2-H1D F8-D7 H1-H8 D3-D4 H8-H2
06 00:00:00 + 8.22 H2-H1D F8-D7 H1-H8 D3-D4 H8-H2 D7-F6
07 00:00:00 - 2.56 H2-H1D F8-D7 H1-A1 B2xA1 B4-B3 D7-B6 A4-A3 C2xB3 A3xB3
B6xD5
00:00:00 + 1.39 B4-B3 F8-E6 B5-B4 C2xB3 A4-B5 E6-D4 B5-C5 D4-E6 C5-D6
07 00:00:00 + 1.39 B4-B3 F8-E6 B5-B4 C2xB3 A4-B5 E6-D4 B5-C5 D4-E6 C5-D6
08 00:00:00 + 3.65 B4-B3 F8-E6 B5-B4 C2xB3 A4-B5 E3-E4 H2-H1D E6-C7 B5-C5
C7xD5
08 00:00:00 + 3.65 B4-B3 F8-E6 B5-B4 C2xB3 A4-B5 E3-E4 H2-H1D E6-C7 B5-C5
C7xD5
09 00:00:00 + 3.65 B4-B3 F8-E6 B5-B4 C2xB3 A4-B5 E3-E4 H2-H1D E6-C7 B5-C5
C7xD5
10 00:00:00 + 4.89 B4-B3 F8-E6 B5-B4 C2xB3 A4-B5 E3-E4 H2-H1D E6-C7 B5-C5
C7xD5 H1-D1 D5-F4
10 00:00:00 + 4.89 B4-B3 F8-E6 B5-B4 C2xB3 A4-B5 E3-E4 H2-H1D E6-C7 B5-C5
C7xD5 H1-D1 D5-F4
11 00:00:00 + 5.85 B4-B3 F8-E6 B5-B4 C2xB3 A4-B5 E3-E4 H2-H1D E6-C7 B5-C5
C7xD5 H1-D1 D5-F4 D1-E1
12 00:00:01 + 6.56 B4-B3 F8-E6 B5-B4 C2xB3 A4-B5 E6-D4 B5-B6 D4-F5 H2-H1D
F5-E7 H1-H2 B2-B1 H2-G1 B1-C2 G1-H2 C2-D1
13 00:00:03 + 7.37 B4-B3 F8-E6 B5-B4 C2xB3 A4-B5 E3-E4 H2-H1D E6-C7 B5-C5
C7xD5 H1-D1 D5-E3 D1-D2 E3-C2 D2-C3 B2-C1 C3xB3
14 00:00:05 + 7.42 B4-B3 F8-E6 B5-B4 C2xB3 A4-B5 E3-E4 H2-H1D E6-C7 B5-C5
C7xD5 H1-G2 B2-C1 G2-F1 C1-C2 F1-E2 C2-C1 E2xD3 C1-B2
D3xE4
15 00:00:09 + 7.41 B4-B3 F8-E6 B5-B4 C2xB3 A4-B5 E6-D4 B5-B6 B2-C2 H2-H1D
C2-D2 H1-A1 D2-E2 A1-C3 E2-F3 C3xD3 F3-F4 A5-A4
16 00:00:24 + 8.27 B4-B3 F8-E6 B5-B4 C2xB3 A4-B5 E6-D4 B5-B6 B2-C2 H2-H1D
C2-D2 H1-A1 D2-E2 A1-C3 D4-F5 C3xB3 E3-E4 A5-A4 E2-D2
D5xE4 D3xE4
Martin
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