Friday 11 January 2013

Friday Puzzles #191

This week marks the start of a series of Sudoku variants, in collaboration with a stellar cast of fellow Sudoku bloggers/solver, including (thus far): Rishi Puri, Prasanna Seshadri, Seungjae Kwak (I'll add a link when I have one) and Fred Stalder.  You'll hear more about "Champion Sudoku" next week when we'll publish our first collated PDF file.  If you are interested in joining in with this project, either to solve along, or to contribute, or anything else, please get in touch, or else join our facebook group.

My turn features a sudoku variant I'm not hugely comfortable either constructing, or solving, so it'll be interesting to see how the others get on.  In case "Anti-Knight" needs further explanation, all this means is that two cells a Knight's move away from each other cannot contain the same digit.  Equivalently, the same digit cannot be in opposite corners of any 2x3 or 3x2 subgrouping of cells in the grid.

I'll tentatively say medium for this puzzle.  Enjoy!
    #228 Anti-Knight Sudoku – rated easy
All puzzles © Tom Collyer 2009-13.

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