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Subject: A Tough Endgame For Computers!

Author: Terry McCracken

Date: 12:48:22 04/07/02

Here's an Endgame that should make _all_ chess engines really work!

Fritz 7 sees the draw but doesn't understand the loss after 1.Qe8+..Qf8??

Played by Mieses-NN 1903. Mieses won after Qf8??, I'll give the main line.


1.Qe8+ Qf8 2.h5 Nf7 3.Kc2 Nd8 4.Kc3 Nf7 5.a4 Nd8 6.Kc4 Nf7 7.Kd5 Nd8 8.b4 Nf7
9.Kc6 Nd8+ 10.Kc7 Line

After Qe8+..Kh7! is correct. After 2.Qxd8...Qd2 will draw with perpetual check.

[D]3n2k1/p2P2p1/1p6/7Q/5q1P/8/PP6/1K6 w - -

Terry

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Last modified: Thu, 15 Apr 21 08:11:13 -0700

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