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Tag Archives: Sudoku BARN
Another Dave Green Sysudoku Basic Workout
This post details another Sunday Dave Green 5-star coming ever so close to breaking the limit that Dave seems to impose on his Sunday puzzles. It appeared in the 9/15/2019 edition of the Akron Beacon Journal. My grid is unimpressed … Continue reading →
Posted in Basic Solving Procedures, Green, Puzzle Reviews
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Tagged Dave Green, hidden dublex, naked triple, Sudoku BARN, ur 1
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Classic 168 and Updated Only Extreme 89
James Forest’s Classic Sudoku 168 is a Basic level challenge. In this post, the Classic review is continued with the 168 box marked grid, and a basic trace carrying through the collapse on the second line of line marking. Then … Continue reading →
Posted in Advanced Solving, Puzzle Reviews
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Tagged AIC ALS node, James Forest, Manuel Castillo, pink olive analysis, Sudoku BARN
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An XY Playground in Classic 72
James Forest’s Classic 72 delivers two rare birds, then gets tripped up by a Y-wing. The bypass threatens to take over, but leaves an XY playground. The line marked grid gives all of the Sysudoku Basic results. … Continue reading →
Posted in Basic Solving Procedures, Puzzle Reviews
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Tagged ALS toxic pair, Classic Sudoku, James Forest, naked triple, slink marking bypass, Sudoku BARN
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Books 3 and 4 In the KD Insane Review
Welcome to 2019 Systematic Sudoku. This post continues on the updated KrazyDad v4 review, with KD Insane 435 and 445. This is a brief report on what you’ll find in the updated posts of August 2013. The review update begins … Continue reading →
LPO Knocks Out World’s Hardest 36
A challenge posed by The Worlds Hardest Sudoku Book 36: Is there a route to the solution less advanced than pattern analysis? The puzzle is otherwise distinguished by a BARN right out of line marking, and a notable lack of … Continue reading →
Andrew’s Solver Tames Worlds 200
This post walks through the “very hard” part of the solution path taken by Andrew Stuart’s Solver through puzzle 200 of The World’s Hardest Sudoku Book by authors unknown. This is a remarkable turn of events for a blog devoted … Continue reading →
The World’s Most Over-Titled Sudoku Book
This post starts the review of World’s Hardest Sudoku Book, tracing Very Hard 25, the only one rated a 1.00. The review will cover the highest rated 10, taking the rating down to 0.90. The lowest of the 200 is … Continue reading →
Posted in Advanced Solving, Puzzle Reviews
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Tagged AIC ANL, color wrap, freeform pattern analysis, single patterns in one color, Sudoku BARN, World's Hardest, X-chains, XY-wing
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