Author: Roy Eassa
Date: 13:44:18 11/29/02
Go up one level in this thread
On November 29, 2002 at 15:45:51, bobby palacios wrote:
>[D] r1b2b1r/ppNk3p/2n4q/3pp3/4n1pB/8/PPP2PPP/R2QKBNR w KQ - 0 13
>
>A very interesting position aroused between Aristarch 4.4 vs TheKing 3.12(game
>in 25). After a wild opening, TheKing 3.12 went straight for Aristarch's king,
>at this critical point Aristarch took the rook at a8, instead of the pawn at d5,
>and was crushed. How many programs avoid Nxa8 at a reasonable time? (Aristarch
>played Nxa8 after 35 seconds)
1.Nxa8?
[1.Nxd5 Qxh4 unclear]
1...Bb4+ 2.c3 Nxc3 3.bxc3 Bxc3+ 4.Ke2 Nd4+ 5.Kd3 Qc6! 6.Qxg4+ Kd6
7.Be7+
[7.Qd1 Qc4+ 8.Ke3 Nf5+ 9.Kf3 Qe4#]
7...Kxe7 8.Qg7+
[8.Qg5+ Kd6 9.Ke3
(9.Rd1 Bb2 10.Ne2 Qc2+ 11.Ke3 Qxd1 12.f3 Nxe2 13.Kf2
(13.Bxe2 Bd4#)
13...Bd4+ 14.Qe3 Bxe3+ 15.Kxe3 Qe1 16.Bxe2 d4+ 17.Kd3 Qc3+ 18.Ke4 Qe3#)
9...Qc5 10.Qh6+
(10.Bd3 Ne6+ -+)
10...Be6 11.Nf3
(11.Qh5 Nb5+ 12.Kf3 Rf8+ and mates)
11...Nf5+ -+]
8...Kd6 9.Qf6+
[9.Qc7+ Qxc7 10.Nxc7 Bxa1 -+]
9...Be6 10.Ke3 Nc2+ 11.Kf3 e4+ 12.Ke2
[12.Kg3 Rg8+ 13.Kh4 Bxf6+ and mates]
12...Qc4+ 13.Kd1 Qxf1+ 14.Kxc2 Qd3+ 15.Kb3 Bxf6+ 16.Kb4 Qc3+ 17.Kb5 Bd7#
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