Tag Archives: Sheldon Master Class

PencilPress 73 and Master Class 100


Two Basic level reviews continue with Pencil Press  bottom right, page 73 and Tom Sheldon’s Master Class 100.Two Basic level reviews continue with Pencil Press  bottom right, page 73 and Tom Sheldon’s Master Class 100. Let’s begin with a Sysudoku … Continue reading

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PencilPress Extreme 57 and Two Master Classes


Three more Basic victories are reported here with interesting traces. Looking ahead, the blog is heading toward more advanced collections, with this series being the final statement on Sysudoku Basic. Ppbr 57 starts remarkably like ppbr49. C1 makes a wall … Continue reading

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PencilPress Extreme 49 and Master Class 60


Two reviews are running in tandem. PencilPress Extreme Sudoku is brings up a Sysudoku Basic issue on 4-fills. Tom Sheldon’s Master Class offers some advanced, but quickly settled examples. Bottom right 49 brings up a Sysudoku Basic  policy question on … Continue reading

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PencilPress 41 and A Well Hidden Dublex


In the review of PencilPress Extreme Sudoku, 41 is a another bypass blow out, with two steep collapses. Tom Sheldon’s Master Class 50 hands you a hidden dublex that is a challenge to spot and verify. We’re reviewing the PencilPress … Continue reading

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PencilPress 33 and Master Class 40


Another test of your Sysudoku Basic, and another witness that the PencilPress Extreme collection is basic level. On the other hand, that doesn’t make it dull. The bypass is actually a worthy challenge, but you have to experience it to … Continue reading

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Tom Sheldon on Sudoku Solving


Happy Mardi Gras! Here are the notes l took in Tom Sheldon’s Master Class.  I don’t like to start without pictures, so I’ll checkpoint the line marking of Master Class # 70 first. The 2D trace trails off after a … Continue reading

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