[Retros] recent improvements

Joost de Heer joost at sanguis.xs4all.nl
Mon Dec 18 12:33:08 EST 2006

> 1 Pe7xd8=N

I find this hard to believe. Francois Labelle (using my computer) did an
exhaustive search for all 11-ply games to see if there were any games
determined by the last move, and the only one found was Peter Roessler's
6. g7xf8=N#


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