Category Archives: Puzzle Reviews

Reviews of preselected puzzles from published collections. Summary review table, and highlight analysis.

Reviewing a Truly Extreme Collection

Posted on January 14, 2020 by

This post and the next initiate a review of Sudoku Puzzle Book, Extreme Level by J. B. Nakamoto, with Nakex 3. The review combines moves by Andrew Stuart’s Sudokuwiki solver with Sysudoku alternatives, while reporting and interpreting moves in accordance … Continue reading →

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Super Fiendish Ends With 87 and 97

Posted on January 7, 2020 by

The review of Brian Challenger’s Sudoku Super Fiendish is ending quietly. SF 87 gets into beginning advanced, while SF 97 is finished in line marking. As to difficulty level, this small collection ranges widely and erratically. Is it  Fiendish? Not … Continue reading →

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Super Fiendish Bookends 67 and 77

Posted on December 31, 2019 by

This post steps through the most fiendish of the 10 puzzles preselected for the review of Brian Challenger’s Super Fiendish Sudoku, SF 67. , and then adds one of the bypass victims, SF 77. Looking at the trace, you might … Continue reading →

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Wayne Gould and Super Fiendish 4-57

Posted on December 24, 2019 by

This post reports two puzzles in the review of Brian Challenger’s Super Fiendish Sudoku, Sufi 47 and 57. Both are basic level, and in fact, half of the review puzzles are. For Sysudoku solvers, the term ‘fiendish’ is an overreach. … Continue reading →

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A Coloring Tidal Wave Drowns Sufi 37

Posted on December 17, 2019 by

Here, Brian Challenger’s Super Fiendish 37 makes it to advanced, but with the bi-value field   inviting multi-cluster coloring, a systematically easy solving technique. There are some X-panel fruits to harvest first in the order of battle, before coloring closes the … Continue reading →

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Super Fiendish 17 and 27

Posted on December 10, 2019 by

Two of Brian Challenger’s Super Fiendish, 17 and 27, are put together because solution paths are short. Stage right is the Sufi 17 line marked grid with an immediate, and decisive, XY nice loop. The follow up features an early … Continue reading →

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FTSPAH 124 and 184 Close the Review

Posted on November 12, 2019 by

The FTSPAH review ends with a puzzle that might indeed frustrate experienced solvers, number 184.  It appears to require AIC building.  After the details, this post ends with a bypass trace of 124 which begins with three line 3-fills, and … Continue reading →

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