perplexus.info :: Games : Nowhere to Hide II

Nowhere to Hide II (Posted on 2005-01-26)

What is the least number of white knights that can be placed on a standard chessboard so that a black piece cannot be added to an unoccupied square without being under attack?

Submitted by Juggler

Rating: 4.0000 (1 votes)

Solution: (Hide)

12.
Pieces placed on B3,C3,C4,C6,C7,D6,E3,F2,F3,F5,F6,G6

Comments: ( You must be logged in to post comments.)

Subject	Author	Date
hello	patrick rall	2024-05-13 15:21:17
Thank you	Charlotte	2023-12-18 06:25:29
answer	K Sengupta	2008-02-08 06:09:18
alogoryhtmically speaking ...	zecougar	2005-09-28 10:38:17
re: Complete Solution	Hugo	2005-01-27 15:39:00
Complete Solution	David Shin	2005-01-27 07:50:03
Lower bound	Hugo	2005-01-26 20:25:43
re(2): Upper Bound	David Shin	2005-01-26 19:57:55
Even Better	David Shin	2005-01-26 19:56:15
re: Upper Bound	becca	2005-01-26 19:56:11
Better Upper Bound	David Shin	2005-01-26 19:50:52
Upper Bound	David Shin	2005-01-26 19:46:38

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