[Retros] Fastest maximummer mate

Noam Elkies elkies at math.harvard.edu
Wed Dec 9 10:19:08 EST 2009

Juha Saukkola <juha_saukkola at hotmail.com> writes:

> Somebody asked some months ago. fastest maximummer mate:

> Juha Saukkola, Problemkiste 1997

> rnbdk2R/ppppppp1/4N3/8/8/8/PPPPPPPP1/RnBDKBN1

> MAXIMUMMER SPG in 6.5 moves

The second row has one too many P's; you mean


(or the same thing with Dd for Qq). The Maximummer condition
is restrictive enough that (going by what F.Labelle has done)
it should be possible to find all maximummer SPG mates of at most
6.5 moves by exhaustive computer search; has this been done?


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