Sunday Update and Solutions

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If you missed our post last weekend, our latest e-book, Star Battle 2 by JinHoo Ahn and Murat Can Tonta, is now available for sale in our store and two more Masterpiece Sudoku Mixes are on track to be added before the end of the month.

This week is also the World Sudoku + Puzzle Convention and our contributing puzzlemasters Prasanna Seshadri and Ashish Kumar constructed some of the puzzles alongside other international authors. Please check out some of the puzzle rounds and other events. I will be speaking as part of a “Puzzle Authors panel” on Thursday the 18th from 14:30-16:00 GMT. I don’t know if I will be able to find time to “compete” during the official schedule due to my current commitments — the extended time for next weekend may help — but I wish those that do compete the best of luck and skill and hope to see many of you in the future at the next live WSPC.

Our past week with a variety mix from guest authors is collected in this PDF and the solutions are in this PDF.

The daily solution videos are on the posts and linked below:

This next week will feature two Region Division styles, with a set of three Kuromasu puzzles and three Snake Pit puzzles.

  • Kuromasu doesn’t seem like a region division genre to me; what was the reasoning behind the choice there?

    • drsudoku says:

      The logic has a lot in common with Cave and Four Winds, where you are defining spaces that are being seen by big clues. I consider both of those to also be Region Division puzzles even if the action in Cave and Kuromasu is sometimes shading what is not part of the big region(s). There are a few Shading and a few Region Division puzzles that feel like they could cross over to the other.

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