Monthly Archives: February 2014

Steve’s Opening Volley on the Easter Monster


This post reviews an  opening  salvo of eliminations on the Easter Monster.  The same attack has been reported in a several very different ways on Sudoku web sites. In the coming posts, the opening attack is analyzed, and the crippled … Continue reading

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Two Colorful Super Grand Masters


Here I continue the review of Sudoku, vol. 3 puzzles with the detailed solving of its SGM 20, and a coloring highlight from SGM 25. SGM 20 begins like no other puzzle I’ve ever seen of the advanced class, with … Continue reading

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Pitkow’s Super GMs


Here I review five preselected puzzles from Xaq Pitkow’s 25 Super Grand Master collection of 50 in his Sudoku, Vol. 5.  Only one of five clearly ranks as extreme, above the spotty Grand Master collection just reviewed.  I detail this … Continue reading

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The Orphans of GM 95


This post demonstrates an effective attack on an obscuring cloud of candidates of a single number, based on freeform enumeration of patterns.  It finishes the severely imbalanced review puzzle, GM 95, from Xaq Pitkow’s Sudoku, vol 3. A cloud of … Continue reading

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