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Tag Archives: finned fish
World’s Hardest Sudoku 65
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
More Satisfaction in Saturday 2
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
Hodoku’s Multiple Fin Krakens
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
Posted in Advanced Solving, Expert Reviews, Hobiger
Tagged Bernhard Hobiger, finned fish, Hodoku, kraken analysis
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Kraken Fish Invade Hodoku’s Pond
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
Posted in Advanced Solving, Hobiger
Tagged Bernhard Hobiger, finned fish, Hodoku, kraken analysis, suset sudoku fish
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Hodoku Goes Fishing
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
Smooth Navigation in Rocky Terrain
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
The Peter Gordon Fishing Guide
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
Posted in Advanced Solving, Expert Reviews, Gordon
Tagged finned fish, Gordon Guide, kraken fish, mutant fish, Peter Gordon, sashimi fish, swordfish, X-wing
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Hanson Finned Fishing with ALS
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
Posted in Advanced Solving, Expert Reviews, Hanson
Tagged Bob Hanson, finned fish, kraken analysis, Sudoku Assistant, Suset fishing
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Stephens in the Library with a Laptop
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
Absolutely Nasty 4 Review Snaps I
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
Posted in Advanced Solving, Puzzle Reviews
Tagged AIC almost nice loops, ALS, ALS aided AIC, APE, bi-value map, finned fish, forcing chains, kraken fish, nice loops, X-chains, XY-chain
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