All entries for May 2011

May 13, 2011

Friday Puzzles #104

OK, no more instruction book fare from now on. So where else could I possibly turn to for inspiration? Hmmm. I’m beginning to wonder if my blog is quickly becoming the primary source of Masyu with twisted symmetry out there on the internet. Maybe – maybe not; I’d be interested in seeing any other sources that’s for sure.

I’ll confess that it’s getting harder to put these together to my own satisfaction, both in terms of aesthetics and indeed in the way they solve, but I do think that this doesn’t fare so badly in either metric. I hope you agree – enjoy!

#131 Masyu – rated easy

All puzzles © Tom Collyer 2009-11


May 06, 2011

Friday Puzzles #103

This week, two puzzle types which I believe have never featured on this blog before – oh the novelty! Moreover, since this is the case, they are somewhat instructional in style – seasoned solvers will have no problems with these at all. The LITS is actually in my opinion a puzzle which solves well, and anyone who reads British newspapers will have seen mini shikaku puzzles in print – not that I’d argue that this is example is too much better than one of those, but there we go. Enjoy!

#129 Shikaku – rated easy

#130 LITS – rated easy

All puzzles © Tom Collyer 2009-11


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Welcome to the blog of current UKPA sudoku champion, two-time Times national sudoku champion and general logic puzzle fan Tom Collyer.



Home of the original Friday Puzzles, each Friday I publish a 100% original and handmade logic puzzle, inspired by the world-famous Nikoli company.


How to play:
AkariFillominoHashiHeyawakeHitoriKakuroLITSMasyuNumberlinkNurikabeRipple EffectShikakuSlitherlinkSudokuSuraromuYajilin.

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Latest comments

  • I like the appearance of the solution. :P Nice one. by Prasanna Seshadri on this entry
  • I think I've seen something vaguely similar in some of Palmer's puzzles as well. To be honest I've a… by on this entry
  • That's two puzzles in a row where I find something I had used before. I know, not plagiarism; just g… by Bram on this entry
  • Kota, that's not really true. I had made my puzzle before going to the WPC already. Also I don't hav… by Bram on this entry
  • About 20 minutes, after restarting from a mistaken conclusion. by Bryce Herdt on this entry

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