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Grid nim: 2xN (Posted on 2019-01-16) Difficulty: 3 of 5
Two players start with a 2xN grid of squares. Each player, in turn, may take either a single square or a 2x2 block of squares. The player who takes the last square loses.

For what values of N does player 2 win?

No Solution Yet Submitted by Jer    
Rating: 4.5000 (2 votes)

Comments: ( Back to comment list | You must be logged in to post comments.)
re(2): Spoiling moves, spoiler for 2x3 and 2x4 | Comment 3 of 4 |
(In reply to re: Spoiling moves, spoiler for 2x3 and 2x4 by Jer)

The problem is fine. 

The tactical element seems to give rise to complications however.

  Posted by broll on 2019-01-17 22:24:23
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