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Chess Board Switch (Posted on 2004-02-28) Difficulty: 3 of 5
You have a 45 chess board as follows:

You can move the four bishops in any order (not necessarily alternating black and white), provided that no move puts a piece in danger of being captured by a bishop of the opposite color.

What is the fewest number of moves needed for the black and white bishops to exchange places?

See The Solution Submitted by Gamer    
Rating: 3.6667 (6 votes)

Comments: ( You must be logged in to post comments.)
  Subject Author Date
SolutionanswerDej Mar2018-08-24 18:18:37
answerK Sengupta2007-06-28 13:07:36
Thinking Outside of the 4x5 BoxJak Dakars2005-06-19 20:37:15
re(3): A switch solution - maybe not the optimal one...Eric2004-03-06 12:44:15
re(2): A switch solution - maybe not the optimal one...slsl2004-03-02 10:05:48
re(2): A switch solution - maybe not the optimal one...paurusan2004-03-02 09:36:39
Some Thoughtsre: A switch solution - maybe not the optimal one...Federico Kereki2004-03-02 07:03:49
A switch solution - maybe not the optimal one...slsl2004-03-01 14:18:40
re: Solution1Charlie2004-02-29 10:14:44
re: Solution1ThoughtProvoker2004-02-29 04:52:32
Solution1Ariel2004-02-28 23:21:15
re: No SubjectPenny2004-02-28 16:06:05
No SubjectGamer2004-02-28 14:15:13
Hints/TipsFirst StepEric2004-02-28 12:58:51
Hints/TipsFirst StepEric2004-02-28 12:58:50
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