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Contest: the 9 Queens Problem. Put 9 queens and 1 or 2 pawns such that queens do not see each other. Send your solution before Feb 29, and win a book![All Comments] [Add Comment or Rating]
Roberto Lavieri wrote on Fri, Jan 9, 2004 03:54 PM EST:Excellent ★★★★★
This position shows TEN QUEENS and TWO PAWNS, Queens safe each other:
QUEENS: a8, b5, c3, d1, d6, e4, f2, f7, g5, h3
PAWNS: d5, f3

Is it possible with NINE QUEENS and ONE PAWN?. I think the answer is NO,
but it is not easy to give a proof!.