forcing chains

Advanced methods and approaches for solving Sudoku puzzles

forcing chains

Postby michgirl » Tue Dec 06, 2005 3:04 am

need help with forcing chains--how do I decide where to start: how do I know how far to continue the chain? thanks
michgirl
 
Posts: 4
Joined: 05 December 2005

Postby Jeff » Tue Dec 06, 2005 3:11 am

For beginners, take a look at threads related to xy-chains.

For advanced player, refer here.
Jeff
 
Posts: 708
Joined: 01 August 2005


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