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Tag Archives: X-wing
Only Extreme 390 is Advanced
This post finishes the updates on Manuel Castillo’s Only Extreme Sudoku with a less advanced OnEx 390. This one is a better example of the Sysudoku XY Railway than was the original post. No trials were required in the ten … Continue reading
KD Insane 415 Updated
This post tells the story in the solving of Krazy Dad Insane v4, b1, n5, as reported in updated Sysudoku posts of 7/13/13 and 7/20/13. It’s one way that coloring and pattern analysis work together. Important features of Sysudoku Basic … Continue reading
Posted in Advanced Solving, KrazyDad, Puzzle Reviews, Uncategorized
Tagged bypass, KD Insane, pattern coloring, slink marking, X-wing
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Funster Extreme 60 and 74 Go Together
Two brief advanced appearances are reported in this post in review of the Extreme section of Charles Timmerman’s Funster Hard to Extreme Sudoku. In Extreme 60, the bypass starts with a 3-fill and uses them to solve a big wedge. … Continue reading
A Run Through Ardson’s Very Hard Volume 2
This post begins a review of A.D. Ardson’s Sudoku Very Hard Puzzles, volume 2. The review will cover 10 pre-selected puzzles from 400, every 40 starting with number 38. Well, almost. The puzzle at the end of the previous post … Continue reading
More Satisfaction in Saturday 2
This post completes the last hour of the Satisfaction Sudoku tour of Sysudoku, with alternative solution paths beyond the bv scan in Saturday 2. It features a finned X-wing, a coloring wrap, and an alternative freeform pattern analysis with a … Continue reading
BV Scan Satisfaction in Saturday 2
This post continues the visit of Sudoku Satisfaction readers to Sysudoku with a tour of advanced method principles applied in a Sysudoku solution of Satisfaction’s Saturday 2 puzzle. The roles of Rick Seemel’s Solution Rectangles I – IV in the … Continue reading
Posted in Advanced Solving, Expert Reviews
Tagged irregualr XYZ-wing, Richard Seemel, Sudoku Satisfaction, sue-de-coq, X-wing, XY-chain, XYZ map
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The Peter Gordon Fishing Guide
We leave November and basic solving with a review of Peter Gordon’s advanced solving recommendations in his Mensa® Guide to Solving Sudoku, now re-issued as the PuzzleWright Guide etc. After a brief summary of the Guide’s general failings, this post … Continue reading
Posted in Advanced Solving, Expert Reviews, Gordon
Tagged finned fish, Gordon Guide, kraken fish, mutant fish, Peter Gordon, sashimi fish, swordfish, X-wing
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