Tag Archives: finned fish

World’s Hardest Sudoku 65

Posted on June 5, 2018 by Sudent

Not really hardest, but entertaining. World’s Hardest Sudoku 65 has a UR challenge, a UPE, a finned swordfish, an AIC ANL, and a very different color wrap. It’s also a few cells short of a multiple solution. Basics are moderate, … Continue reading →

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More Satisfaction in Saturday 2

Posted on April 4, 2017 by Sudent

This post completes the last hour of the Satisfaction Sudoku tour of Sysudoku, with alternative solution paths beyond the bv scan in Saturday 2. It features a finned X-wing, a coloring wrap, and an alternative freeform pattern analysis with a … Continue reading →

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Hodoku’s Multiple Fin Krakens

Posted on December 15, 2015 by Sudent

This post finds multiple fin kraken swordfish, with additional removals, where Hodoku overlooks kraken analysis. This prompts an examination of the Hodoku kraken fish examples in its Last Resorts section, which offer no guidance for human solving. The homework was … Continue reading →

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Kraken Fish Invade Hodoku’s Pond

Posted on December 8, 2015 by Sudent

This post starts with a homework checkpoint on single fin kraken analysis, via the blank line tally and suset scratchpad. The homework demonstrates an essential technique for finned fish that is missing from Hodoku. Then these sysudokie techniques find additional … Continue reading →

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Hodoku Goes Fishing

Posted on December 1, 2015 by Sudent

This post reviews Sysudoku techniques and tools for regular and finned fish, using them to enumerate the finned fish in a Hodoku Franken fish (boxes and lines) example. The introductory Hodoku Fish page describes the highly theoretical approach coded into … Continue reading →

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Smooth Navigation in Rocky Terrain

Posted on March 3, 2015 by Sudent

This post reports a sysudokie attack on Alary’s More Extreme 84 with several highlight eliminations. A naked triple and a combination X-panel punch on the tightly linked numbers lead to a polarity ANL, color bridging and a surprising color wrap. … Continue reading →

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The Peter Gordon Fishing Guide

Posted on December 2, 2014 by Sudent

We leave November and basic solving with a review of Peter Gordon’s advanced solving recommendations in his Mensa® Guide to Solving Sudoku, now re-issued as the PuzzleWright Guide etc. After a brief summary of the Guide’s general failings, this post … Continue reading →

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Hanson Finned Fishing with ALS

Posted on July 29, 2014 by Sudent

Here Bob Hanson’s technique of identifying finned fish through almost locked grids, as reported in Sudoku Assistant – Solving Techniques, is explained and recommended as part of the Sysudoku x-panel analysis. Kraken analysis, neglected by Hanson, is demonstrated to produce … Continue reading →

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Stephens in the Library with a Laptop

Posted on May 7, 2013 by Sudent

This post continues with differences between sysudoku advanced solving and the Paul Stephens “extreme” order of battle.  In particular, the power of full Medusa coloring compared to Stephens’ limited multi-colouring. Let’s begin with a checkpoint for solve-along sysudokie readers.  In … Continue reading →

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Absolutely Nasty 4 Review Snaps I

Posted on March 5, 2013 by Sudent

Here we link back to advanced solving posts as we enjoy sysudokie solving snapshots from the review table puzzles 0f Frank Longo’s Absoutely Nasty Level 4 (AN4) collection.  Did you ever get trapped looking at a neighbor’s vacation slides ?  You … Continue reading →

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