perplexus.info :: General : No Safety from the Queen

No Safety from the Queen (Posted on 2004-09-23)

Given a 5x5 chess board, place the fewest number of queens possible on the board such that no queens are under attack but every other space is under attack.

See The Solution Submitted by logischer Verstand

Rating: 3.0000 (7 votes)

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7x7 board has unique minimal solution (shown here--spoiler)

| Comment 5 of 14 |

. Q . . . . .
. . . . . Q .
. . . . . . .
Q . . . . . .
. . . . Q . .
. . . . . . .
. . . . . . .

Posted by Charlie on 2004-09-23 09:44:12

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