Posted by Sandy on Thursday, April 8, 2010 at 10:37am.
Imagine a small chess board, 3 x 3. If you place a knight on the top left hand corner, how many different squares can the knight reach in less than 4 moves?

math  PsyDAG, Thursday, April 8, 2010 at 8:06pm
I assume you mean 3 squares by 3 squares. If in 3 moves (3 < 4.), he can go to middle bottom, upper right and middle left — or he can go middle right, left bottom and middle top. Are you assuming just one of these alternatives or both?
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