Author: Francis Monkman
Date: 17:06:05 05/27/99
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On May 27, 1999 at 19:43:43, James Robertson wrote:
>One of my friends tried my program on this 'Mate in 2' from John Thursby's 75
>mate in 2 problems.
>
>FEN 8/8/3PQ3/2p2r2/2N2R2/2k2N2/3RK3/8/ w - -
>
>My program didn't see it, supplying a mate in 3 line (my email program crashed
>and I lost the message.) Crafty also gave a mate in 3 line, 1. Qe3+ Kb4 2. Rb2+
>Ka4 3. Qa8#.
>
>I responded with this, and he said no! It is still mate in 2, and supplied this
>line: 1.Na5! {threatens Rc4# or Qe3# or Qc4# or Qb3#} 1 ... Rxf4 2. Qb3#
>
>I have not had time to check on it... is it mate in 3 or 2?
>
Definitely 2 -- Fritz 5.32, CSTal II and CM6000 get it, of those I've tried.
Good one!
Francis
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