Masyu (Deformable) by Murat Can Tonta
or solve online (using our beta test of Penpa-Edit tools; use tab to alternate between linex mode where left click+drag draws lines and right click marks X’s and a black circle shading mode.)
Theme: Dominoes
Author/Opus: This is the 10th puzzle from guest contributor Murat Can Tonta.
Rules: Variation of Masyu rules. In addition to the standard rules, some white circles may be shaded to become black circles.
Answer String: Enter the length in cells of the horizontal loop segments from left to right in the marked rows, starting at the top. If the loop only has vertical segments in the marked row, enter 0. Separate each row’s entry with a comma.
Time Standards (highlight to view): Grandmaster = 2:30, Master = 4:30, Expert = 9:00
Solution: PDF
Note: Follow this link for other Masyu variations and this link for classic Masyu. If you are new to this puzzle type, here are our easiest Masyu to get started on.
This one certainly kept me on my toes.
Nice… This seemed quite daunting before I started… Then I saw the obvious starting point, and once I started the solve path was surprisingly smooth.
– Neelix
Yeah, nice presentation, decently daunting path, and good break-in, but I didn’t find a lemma to explain the general behavior at any point.
To my mind, the logical theme is “Qba’g pybfr be qrnq raq gur ybbc.” Gur hahfhny angher bs guvf chmmyr zrnag gung zbfg qrqhpgvbaf npghnyyl erdhverq pbafvqrengvba bs obgu cbffvoyr pbaqvgvbaf ng gur fnzr gvzr.
– Neelix
Nice puzzle… if only I could learn to enter answer keys, then the world would be a better place…