Author: Roy Eassa
Date: 08:53:06 04/10/02
Go up one level in this thread
On April 09, 2002 at 18:07:58, Kurt Utzinger wrote:
>Match Ant 6.06 vs Sjeng 12.11
>WinBoard 4.2.5 GUI, ponder=off
>P3 650/128, 32 MB hashtables
>4-men and partly 5-men tablebases
>time control: 40'/40
>
>[D] r3kb1r/NpR2pp1/pB1pp3/3bnPPp/q7/4Q3/PPP1B3/2KR4 w kq - 0 26
>Game 2: Sjeng 12.11 vs Ant 6.06, after 25...Qa4, befor 26.c4!!
>
Nice attack! Some analysis, using Fritz & human:
1.c4!
[also winning is 1.Qc3 Bc6
(1...Nc6 2.Nxc6 Bxc6 3.Rd4 +-)
(1...Qf4+ 2.Kb1 does not help)
2.Nxc6 bxc6
(2...Nxc6 3.Rd4! +-)
3.Rd4! Qxa2 4.Rxc6 f6
(4...Rd8 5.Rc8 Be7 6.Bxd8 Bxd8 7.Rxd6 Nd7 8.Qxg7 +-)
5.g6! +-]
1...Bc6
[1...Bg2 2.Nc8! Qxa2 3.Rxd6! Qa1+ 4.Kc2 Qa4+ 5.Kb1 +-]
[1...Bxc4 2.g6 Be7
(2...Bxa2 3.Qxe5! f6
(3...dxe5 4.gxf7#)
(3...Be7 4.Rxe7+ Kxe7 5.f6+ Kf8 6.fxg7+ Ke7 7.Qxd6+ and mates)
4.Qc3 +-)
3.Rd4 Qxa2 4.Bxc4 Nxc4
(4...Qa1+ 5.Kc2 +-)
5.gxf7+ Kf8 6.Rdxc4 +-]
[1...Nxc4 2.Bxc4 Bxc4 3.fxe6 Bxe6 4.g6 +-]
2.fxe6 fxe6
[2...f6? 3.Nc8! Qxa2
(3...Rxc8 4.Rxc8+ Ke7 5.Qh3 +-)
4.gxf6 Qa1+ 5.Kc2 Qa4+ 6.Kb1 gxf6 7.Rxd6! +-]
[2...f5 3.Nc8! Be4
(3...Qxa2 4.e7 +-)
4.Qc3 Rxc8 {forced} 5.Rxc8+ Ke7 6.c5! Kxe6 7.cxd6 Bc6 8.Bd4 +-]
[2...Be7 3.Nxc6 bxc6
(3...Nxc6 4.exf7+ Kf8 5.Rxd6! Bxd6 6.Bc5! +-)
4.exf7+ Kxf7
(4...Kf8 5.Rxd6! Bxd6 6.Bc5! and mates)
5.Rxd6! +-]
3.Nxc6 bxc6 4.c5! Qxa2 5.cxd6 Qa1+ 6.Kc2 Qa4+ 7.Kb1 +-
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