Category Archives: Pitkow

Grand Master and Super GM

Two Colorful Super Grand Masters

Posted on February 18, 2014 by Sudent

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

Posted on February 11, 2014 by Sudent

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

Posted on February 2, 2014 by Sudent

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

Posted on January 28, 2014 by Sudent

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

Posted on January 21, 2014 by Sudent

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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Xaq Pitkow’s Expert Collection

Posted on January 14, 2014 by Sudent

This post gives an overview of the Expert, GM and Super GM collections, and a brief review of the Expert puzzles in Sudoku vol.3 by Xaq Pitkow and Chronicle Books. There are 75 Expert, 100 Grand Master, and  25 Super … Continue reading →

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