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Tag Archives: naked triple
Tracking a Patterns Game Entry
This post and the next explore two entries in the online Sudoku composing contest known as the “Patterns Game”. The contest is between Sudoku composers: who can submit first puzzles with unique solutions that fit a “pattern” of givens issued … Continue reading
PencilPress Extreme 57 and Two Master Classes
Three more Basic victories are reported here with interesting traces. Looking ahead, the blog is heading toward more advanced collections, with this series being the final statement on Sysudoku Basic. Ppbr 57 starts remarkably like ppbr49. C1 makes a wall … Continue reading
Funster Extreme 46 Not So Much
The review of Charles Timmerman’s funster Hard to Extreme Sudoku continues with Extreme 46. It’s entertainingly advanced. Extreme 46 has its moments. The basic trace is spread across the page with 3-fill after 3-fill. Two unusual events occur in box … Continue reading
Coloring Wrings Out World’s Hardest 102
World’s 102 starts without ‘1’ givens and with two 3-fill lines. It winds up in a coloring trap expansion into a wrap. Basic makes progress in all three phases. Making a hasty bv … Continue reading
A.D. Ardson’s Sudoku Diabolical
This post begins a brief review of A.D. Ardson’s Sudoku Diabolical, with a review table and analysis of the first of a pre-selected series 30, 70, . . . , 390. Ardson’s Sudoku Very Hard Puzzles, volume 2, very similar … Continue reading
Posted in Advanced Solving, Puzzle Reviews
Tagged Ardson Sudoku Diabolical, color wrap, coloring traps, LM X-wing, naked triple, XY rail
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