Tag Archives: Xaq Pitgow

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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Advancing through GM 5


This post checkpoints the bv scan and a verification of a decisive Sue de Coq in GM 5 of the Sudoku, vol.3 Grand Master collection. It also introduces GM 95, an extremely unbalanced puzzle that is due for an intense … Continue reading

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Pitkow’s Grand Master Sudoku


This is a short review of the GM section of Sudoku vol. 3 , by Xaq Pitkow, published by Chronicle Books.  The puzzles vary between basic and moderately advanced levels I pre-selected 10 GM and 25 Super GM puzzles for … Continue reading

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Polishing Pages and Posts for 2014


Consider the plight of the new reader of sysudoku.com.  Maybe it’s you.  It looks interesting, but this is a party that’s been going on for more than two years.  You need to talk with somebody who’s been there the whole … Continue reading

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