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Monthly Archives: February 2015
Alary at His Stingiest
This post details the solving of the Antoine Alary review puzzle More Extreme 104, featuring a laborious line marking leading to a sea of candidates. Then the day is saved by Antoine’s escape hatch, maintaining a reasonably advanced level of … Continue reading
Posted in Advanced Solving, Alary, Puzzle Reviews
Tagged Antoine Alary, line marking, naked triple, X-chain
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A Little More Extreme
Here is a follow up on the advanced level More Extreme 4, with background looks at the bv map, XYZ map, and X-panel . There is a challenge to find a forcing chain XYZ alongside a regular one. Entering the … Continue reading
More Extreme?
Here we begin a review of the second collection of Antoine Alary’s Extreme series, with general comments, a review table, and a checkpoint on the Sysudoku solving on More Extreme 64, a puzzle that is typical of the “generous” variety … Continue reading
Posted in Advanced Solving, Alary, Puzzle Reviews
Tagged Antoine Alary, color wrap, forcing chain, More Extreme Sudoku, slink marking bypass, XYZ-wing
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Guide 775 Concluded
Here we continue with Gordon Guide 775, going through Sysudoku advanced methods, but trying particularly to invoke those brought up in the Guide. Last week, we found a regular XYZ-wing, a 231-wing to be exact, generating 11 new clues and … Continue reading
Posted in Advanced Solving, Puzzle Reviews
Tagged Antoine Alary, ER XYZ-wing, forcing chain, Frank Longo, Gordon Guide Sudoku, Sudoku BUG
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