[Retros] Fastest maximummer mate

Noam Elkies elkies at math.harvard.edu
Wed Dec 9 13:23:17 EST 2009

Joost de Heer <joost at sanguis.xs4all.nl> writes:

> Am I understanding something wrong? There's a double maximummer mate

> in 5.5: [...] With only whitemax or blackmax it's even faster:

Juha's problem is an *SPG* double maximummer; each of the shorter
maximummer mates you give can be reached in dual ways.


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