[Retros] At-home initial array challenge

CAILLAUDM at aol.com CAILLAUDM at aol.com
Sun Mar 20 03:00:45 EST 2005

Very nice!
By the way, in 2004, Joaquim Iglesias proposed on France-Echecs a related
puzzle that was found very hard to solve :
Compose an at-home proof game (more than 0.0 move!) where all 16 pawns are
on the board.
Certainly Francois computer can confirm if Joaquim's assertion of uniqueness
was correct?


Dans un e-mail daté du 20/03/2005 01:13:03 Paris, Madrid,
flab at EECS.Berkeley.EDU a écrit :

Compose an at-home proof game in 7.0 moves or less where either all the
white pieces or all the black pieces are on the board. In other words, an
at-home PG in 7.0 moves or less that is (16+x) or (x+16), where x < 16.

According to my computer there is only one such proof game.

Examples in 7.5 and 8.0 moves have been composed by Henrik Juel and Andrew



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