All entries for Friday 31 December 2010

December 31, 2010

Friday Puzzles #85

Well, as we bring 2010 to end, dearest reader, I must confess that this post has been written in advance, as I am currently having almost literally a whale of a time in Berlin. I’m afraid that means that there isn’t going to be a puzzle here until sometime next week – I have had myself a nice and lazy and indulgent Christmas break at home with the family.

However I hope that everyone has enjoyed my offerings this year, be it my rather manic 7 puzzles in 7 days which heralded me branching out to writing a few new puzzle types; or perhaps my long Championship write-ups from Philadelphia in April and London in September; or the start of my “career” as a competition writer with both the (moderately disastrous) LMI Nikoli Selection and the UKPA Sudoku Championship (well done again Warren!); or perhaps one of the numerous twisted symmetry Masyu I always seem to resort to when I’ve forgotten to write a puzzle for a particular week.

Anyhow, I hope everyone has had a good 2010, and here’s to the promise of 2011 – not least the puzzle that’ll be edited in here later!

EDIT:

Here as promised is the puzzle. I will probably be revising Heyawake fairly soon, in response to an email I had from Otto Janko before Christmas – but for now, here is a nice small puzzle which should prove a bit of a tough nut to crack. Enjoy!

#111 Heyawake – rated hard

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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