Tag Archives: Frank Longo

Longo’s Nastiest Ever After

This post finishes the illustrative review of Frank Longo’s The Nastiest Sudoku Book Ever, with review puzzles 673, 684, 695 and 706. The bv scan and occasional easy coloring continue to be enough for what Frank claimed to be the … Continue reading

Tough, But Not So Nasty

Continuing with the review of Frank Longo’s The Nastiest Sudoku Book Ever, a sysudokie faces another hard judgement on a Single Alternate Sue de Coq, in Nastiest 662. If the trial is archived, the puzzle withstands major blows before giving … Continue reading

The Nastiest Ever Party II

This post displays some sysudokie snapshots from Nastiest 618, 640 and 651, The bv scan rules, with line marked fish, unique rectangles, Sue de Coq, XYZ-wings, and XY-chains.  A  Sysudoku technique formerly rated extreme gets to stop for a drink. … Continue reading

Longo’s Nastiest Ever Collection

This post begins the review of Frank Longo’s The Nastiest Sudoku Book Ever with a  review table and  solving highlights of two review puzzles, Nastiest 607 and 629. The original post was revised to correct errors found by my backup … Continue reading

Guide 775 Concluded

Here we continue with Gordon Guide 775, going through Sysudoku advanced methods, but trying particularly to invoke those brought up in the Guide. Last week, we found a regular XYZ-wing, a 231-wing to be exact, generating 11 new clues and … Continue reading

Gordon Guide Puzzle Review

This post reviews the collection of 700 Frank Longo puzzles following the text in the Gordon Guide to Solving Sudoku. A review table summarizes the Sysudoku rating of 10 preselected puzzles, and one advanced puzzle is analyzed in detail. The … Continue reading

Gordon’s Guide Basics

This post begins my review of an instruction manual, Peter Gordon’s Mensa® Guide to Solving Sudoku, and the associated puzzle collection the book contains, by Frank Longo. Basic solving is covered here, with advanced techniques and the puzzle collection review … Continue reading

Absolutely Nasty4 Snaps II

One post wasn’t enough, so this is the second featuring highlights from the sysudokie review of Frank Longo’s Absolutely Nasty Level 4 collection. X-chains are normally denizens of the X-panels, but in AbsNasty4 #21, one was caught in line marking … Continue reading

Absolutely Nasty Level 4 Review

I’m doing a quick sysudoku grading review of Frank Longo’s Level 4 collection.  It is based on 10 puzzles selected by prior rule. This post reports the general level, with backup data. The next will have some very entertaining snapshots … Continue reading