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Tag Archives: slink marking bypass
World’s 36 and 200 Basic, and More on 25
In this post, checkpoint traces on World’s Hardest 36 and 200, and a direct comparison with two Strmckr solutions to Worlds 25. Also, a Gordon Fick contribution to the cause. Here is Strmckr’s first solution, right out of line marking. It’s … Continue reading
Bookends of the Only Hard
This post checkpoints the only sysudokie bypass casualty and the only sysudokie basic survivor, in this second review of Manuel Castillo’s Only Hard Sudoku collection. The report of my first review was posted 1 ½ years ago, March 29, 2016. … Continue reading
Dave Green’s Three Column Bypass 3-Fill
This post traces the bypass solution of Dave Green’s Friday **** of July 7, 2017, an amazing follow up to my recent addition of 3-fill’s to the slink marking bypass. This puzzle, starting with three column 3-fills among the givens, … Continue reading
Posted in Basic Solving Procedures, Green
Tagged bypss 3-fill, Dave Green, slink marking bypass
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Berthier’s Hidden Logic of Sudoku
This post begins a sysudokie reading of Denis Berthier’s weighty and challenging treatise on Sudoku, The Hidden Logic of Sudoku, or in this report, THLS. I start with an overview of the agenda of the book, which differs greatly from … Continue reading
Green’s Labor Day Weekend Workout
Here I checkpoint the bypass on the correct version of Dave Green’s 9/03/16 Saturday 4-Star, and assign my readers to try the bypass on his Sunday puzzle. The series of three demonstrates how the challenge and efficiency of the bypass … Continue reading
Posted in Basic Solving Procedures, Green, Puzzle Reviews
Tagged Bradley Hand ITC, Dave Green, line marking, slink marking bypass
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Recovering From a Small Disaster
This post corrects an incorrect homework assignment, and announces some changes in Sysudoku due to a switch to a new computer and updated operating system. Last week was not a good one. On Tuesday I posted an incorrect puzzle for … Continue reading
Posted in Basic Solving Procedures
Tagged basic Sudoku, Bradley Hand ITC, Dave Green, pencil marking, slink marking bypass
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Dave’s Friday Labor Day Four-Star
This post traces basic solving on the first of three Labor Day puzzles by Dave Green. The series is an opportunity to highlight the efficient and uncluttered basic level Sudoku solving with the slink marking bypass. In keeping with the … Continue reading
Posted in Basic Solving Procedures
Tagged Dave Green, slink marking bypass, Sysudoku trace
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