[Retros] shortest proofgames of castling switchback
Joost de Heer
joost at sanguis.xs4all.nl
Wed Jul 18 01:37:21 EDT 2007
Noam Elkies wrote:
> Any hope of computer checking for that one?
C+ for the first 17 moves. But white just has too many free moves, I
don't think it can be fully computertested.
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