Sysudoku Post Titles
In posted order within topic sections
Introduction to Systematic Sudoku
9/29/11 What This Blog is About
10/02/11 Distinguishing Features of Sysudoku
10/04/11 Slink Marking
Sysudoku Basic
10/11/11 Sysudoku Box Marking
10/13/11 Sysudoku Line Marking
10/20/11 Line Marking Follow Up
1/31/12 Box/Line Removals
10/25/11 Subsets and Susets
10/27/11 Locked Set Enumeration
11/01/11 Updates on Sysudoku Basic
10/07/14 The Dublex Bypass
1/06/15 An Update on the Dublex Bypass
4/11/17 A Bypass 3-Fill on the Bus
Basic Clinic
10/14/14 Green Pastures
10/21/14 Basic by Our Fingernails
10/28/14 Just One More Dave Green
10/04/16 Green’s Labor Day Weekend Workout
10/11/16 Green’s Labor Day Sunday 5-Star
7/18/17 Dave Green’s Three Column Bypass 3-Fill
Advanced Methods
Uniqueness Removals
1/01/13 Mashing the BUG
1/08/13 The Unique Rectangle
1/15/13 Stuart’s Hidden UR
1/22/13 Stuart’s Avoidable Rectangle
1/29/13 Beyond the Rectangle
Sysudoku BV Scan
11/08/11 Tools and Order for Advanced Methods
11/15/11 Regular XYZ-wings
11/22/11 Irregular XYZ-Wings
11/29/11 Death Blossom Lite
12/06/11 XY-Chains
12/13/11 Riding the XY Rails
12/20/11 The Remote Pair
12/22/11 De Coq on the Sue de Coq
12/27/11 Sysudoku Sue de Coq
1/03/12 Aligned Pair Exclusion
1/10/12 Trust but Verify
X-Chains
1/17/12 The X-Panel and X-Chains
1/24/12 Special X-chains
2/06/12 Alternating X-Loops
2/14/12 Slink Loops
2/21/12 Andrew Stuart’s Guardians
2/28/12 Group Therapy
3/06/12 XY-Loops
Fishing
3/13/12 Go Fish!
3/20/12 Finned, Kraken and Sashimi Fish.
3/27/12 What Regular Fish to Fish For
4/03/12 Casting for Regular Fish
4/10/12 Krakening a Finned Fish
4/17/12 The Shameless Sashimi
4/24/12 Unraveling the Mutant Fish
5/01/12 Finned Mutant Fish
5/08/12 The SudoPod?
7/29/14 Hanson Finned Fishing with ALS
8/04/14 Suset Sashimi
12/01/15 Hodoku Goes Fishing
12/08/15 Kraken Fish Invade Hodoku’s Pond
12/15/15 Hodoku’s Multiple Fin Krakens
Medusa Coloring
5/15/12 The Slink Magic of Coloring
5/17/12 Box Marking of Maestro 4
5/22/12 Color Wraps and Color Traps
5/24/12 Coloring Checkpoints
5/29/12 Multi-Cluster Bridging
6/05/12 Coloring Sue de Coq and APE
8/27/13 Nice Loop Coloring of Insane 465
2/14/17 An xyt Color Wrap
7/11/17 Slink vs. Coloring Networks and Illogical Sudoku
8/29/17 Cluster Expansion by Not-Both Trials
9/05/17 AIC Slinks Finish Only Extreme 3
Alternate Inference Chains
6/19/12 An AIC Checkpoint and Challenge
6/26/12 A Colorful AIC Feast
7/03/12 Dessert at the Colorful AIC Feast
7/10/12 The ALS Node in an AIC
Almost Locked Sets
7/17/12 ALS Toxic Sets
7/24/12 Enumerating the ALS-XZ
7/31/12 ALS Petaled Death Blossoms
The BARN
8/25/15 Please Give WXYZ Some Space
2/16/16 How the BARN Was Built
Pattern Analysis
8/07/12 LPO, a Limited Form of POM
8/14/12 Pattern Enumeration for POM and LPO
8/21/12 A Limited Pattern Overlay on Maestro 22
8/28/12 Coloring LPO
10/09/12 Searching for Orphans in LPO
10/16/12 Scrounging for New Pattern Sets in LPO
10/23/12 The Pattern Slink
7/30/13 Introducing Pink Olive Analysis
8/20/13 Insane 455 Does a Twisting Pink Olive Dive
8/27/13 Nice Loop Coloring of Insane 465
9/17/13 Pattern Trials of Insane 475
10/08/13 LPO Lettering on Insane 495
10/15/13 Grinding Down Insane 495 with LPO Coloring
7/07/15 Fata Morgana Wrapped in Pink Olive
Trials and Extreme Methods
Sysudoku Trials
12/27/11 Single Alternate SdC in Sysudoku Sue de Coq
12/24/13 Golden Nugget Exocet Trials
6/02/15 The ALS Jump Ball
8/08/17 A Bifurcated Coloring of the AIC Slink
8/29/17 Cluster Expansion by Not-Both Trials
9/05/17 AIC Slinks Finish Only Extreme 3
10/24/17 Only Extreme 132 Joins the Extreme Team
Multiple Solutions
7/02/13 A Ferocious Hall of Mirrors
11/18/14 The Fiendish 100 BUG-gy Maze
9/26/17 A Surprising Dave Green Sunday 5-Star
Expert Criticism
Stuart Forcing Chains
11/06/12 Digit Forcing Chains?
11/20/12 Nishio Forcing Chains?
11/27/12 Cell Forcing Chains
12/04/12 ALS Merge of Cell Forcing Chains
12/11/12 Unit Forcing Chains
12/18/12 Forcing Chains in Sue de Coq Analysis
12/25/12 Stuffing Your Stocking
Tom Sheldon
2/12/13 Tom Sheldon on Sudoku Solving
Paul Stephens
4/09/13 Starting With Stephens
4/16/13 Advanced Stephens
4/23/13 A Bv Scan of Week 48
4/30/13 Extreme Stephens
5/07/13 Stephens in the Library with a Laptop
5/14/13 To Nishio or Not to Nishio
5/21/13 The ANL Test
Bob Barker
11/19/13 Pulling Rank
11/26/13 Higher Rank Theory
12/03/13 Rank’s Little Gotcha
Bob Hanson
6/03/14 Bob Hanson’s Sudoku Assistant
6/10/14 Basic Solving With Bob Hanson
6/17/14 Basic Hanson Homework
6/24/14 Sudoku Assistant Finds Locked Sets
7/01/14 Bob Goes Fishing
7/08/14 Bent Naked What?
7/15/14 Hanson’s Bent Naked n-Set
7/22/14 Sudoku Assistant’s ALS Toxic Sets
7/29/14 Hanson Finned Fishing with ALS
8/04/14 Suset Sashimi
8/12/14 Hanson’s Polarity ANL
8/19/14 Hanson’s Strong and Weak Hinges
8/26/14 Trial or Error?
9/02/14 Harvest from the Sudoku Assistant Report
Gordon’s Guide
9/30/14 Gordon’s Guide Basics
12/02/14 Gordon’s Fishing Guide
12/09/14 Gordonian UR-ology
12/16/14 A Gordonian Fantasy
12/23/14 Plus and One-Sided Unique Polygons
12/30/14 Extended Gordonian Overreach
1/13/15 Wings and Chains With the Gordon Guide
1/20/15 Cycling Blindfolded with the Guide
Arnold Snyder
7/28/15 Sadistic Sudoku Review
8/04/15 Basic Solving with Arnold Snyder
8/11/15 Advanced Solving with Arnold Snyder
8/18/15 Arnold Abandons Reason
Hobiger’s Hodoku
9/01/15 An Unusual Review
9/08/15 Hodoku Unique Rectangles
9/15/15 Hodoku Sue de Coq in 2015
9/22/15 Hodoku’s Limited XYZ Wings
9/29/15 Decoding Hodoku Chain Notes
10/06/15 Hodoku Chain Building
10/13/15 Hodoku XY-Chains
10/20/15 Hodoku X-chains on the X-panel
10/27/15 Hodoku Nice Loop Mythology
11/03/15 Simplifying Hodoku AIC
11/10/15 Hodoku’s Continuous Nice Loops
11/17/15 Hodoku Grouped AIC I
11/24/15 Hodoku Grouped AIC II
12/01/15 Hodoku Goes Fishing
12/08/15 Kraken Fish Invade Hodoku’s Pond
12/15/15 Hodoku’s Multiple Fin Krakens
12/22/15 Hodoku Franken Fish
12/29/15 Hodoku ALS Toxic Sets
1/05/16 Hodoku ALS Chains
1/12/16 Hodoku ALS Death Blossoms
Carol Vorderman
2/23/16 Mastering Basic Sudoku With Carol Vorderman
3/01/16 Vorderman’s Super Difficults
The Hidden Logic of Sudoku
10/18/16 Berthier’s Hidden Logic of Sudoku
10/25/16 SudoRules Hidden Singles Reverse Engineered
11/01/16 Naked Singles in SudoRules
11/08/16 Hidden Logic Symmetries of THLS
11/15/16 Hidden Triples Hard and Easy
11/22/16 Hidden Logic Box/Line Interactions
11/29/16 Fishing in Lake Supersymmetry
12/06/16 Suset Jelly in nrc Space
12/13/16 THLS vs Unique Rectangle
12/20/16 The Limited XYZ-wings of THLS
12/27/16 THLS Needs a Ride on the XY Railway
1/03/17 Hidden XY Chains Are Reverse XY AIC
1/10/17 No THLS Case for Hidden XY Chains
1/17/17 Remaining XV hXY Avoided
1/23/17 THLS Limps In On Chains
1/31/17 A Chicken Chok’in Checkpoint on Unhidden Chains
2/07/17 Berthier’s xyt-chains in THLS
2/14/17 An xyt Color Wrap
2/21/17 Berthier’s xyt-Chains Rated Extreme
2/28/17 Berthier’s xyzt Chain
3/07/17 A Closing ALS Postscript on THLS
Seemel’s Sudoku Satisfaction
3/14/17 The Sudoku Satisfaction Tour
3/21/17 Touring the Bypass and a Human Engineered Inscription
3/28/17 BV Scan Satisfaction in Saturday 2
4/04/15 More Satisfaction in Saturday 2
Collection Reviews
Tom Sheldon’s Master Class
2/05/13 Grading the Master Class
2/19/13 Snapshots from Sheldon’s Master Class
Frank Longo’s Absolutely Nasty Level 4
2/26/13 Absolutely Nasty Level 4 Review
3/05/13 Absolutely Nasty 4 Review Snaps I
3/12/13 Absolutely Nasty 4 Review Snaps II
Paul Stephens Extremes
5/28/13 Paul Stephens’ Extremes Review
6/04/13 Stephens Extremes Snapshots I
6/11/13 Stephens’ Extremes Snaps II
6/18/13 Stephens’ Extremes Snaps III
Will Shortz Ferocious, Trickiest
6/25/13 Shortz’ Ferocious Falls Short
7/02/13 A Ferocious Hall of Mirrors
7/09/13 Shortz’ Trickiest Bewares?
KrazyDad SuperTough
3/19/13 KrazyDad Super Tough Review
3/26/13 KrazyDad Super Tough Snapshots
4/02/13 KrazyDad Super Coloring
KrazyDad Insane
7/16/13 The Insane Review Begins
7/23/13 Insane 425 Introduces the Boomerang
7/30/13 Insane 425 Finishes with the Pink Olive
8/06/13 Insane 435 By Irregular XYZ and ANL
8/13/13 An Insane 445 Pattern Slicing Demo
8/20/13 Insane 455 Colors with Pink Olive Crayons
8/27/13 Nice Loop Coloring of Insane 465
9/03/13 A Sudokuwiki Resolution of Insane 475
9/17/13 Trials on Insane 475
9/24/13 Sudokuwiki Finds a Boomerang
10/01/13 KD Insane 485 One Clue Better
10/08/13 A Boomer Inspired Pattern Trial in 495
10/15/13 4X5 Holds Off LPO for a Pattern Trial
10/22/13 An Insane Review is Completed
Xaq Pitkow Sudoku v.3
1/07/14 Polishing Pages and Posts for 2014
1/14/14 Xaq Pitkow’s Expert Collection
1/21/14 Pitkow’s Grand Master Sudoku
1/28/14 Advancing through GM 5
2/02/14 The Orphans of GM 95
2/11/14 Pitkow’s Super Grand Masters
2/18/14 Two Colorful Super Grand Masters
Nikoli X-treme Sudoku
9/09/14 Nikoli’s X-treme Sudoku
9/16/14 The Empathy of Nikoli Composers?
9/23/14 X-treme Hidden and Naked Treasures
Wayne Gould’s Fiendish Sudoku
11/04/14 Gould’s Not So Fiendish
11/11/14 Fiendish NPM Wins and Loses
11/18/14 The Fiendish 100 BUG-gy Maze
Frank Longo’s Gordon Guide Collection
1/27/15 Gordon Guide Puzzle Review
2/03/15 Gordon Guide 775 Concluded
Antoine Alary More Extreme
2/10/15 How Extreme is More Extreme?
2/17/15 A Little More Extreme
2/24/15 Alary at His Stingiest
3/03/15 Smooth Navigation in Rocky Terrain
3/10/15 Just One More “More Extreme”
3/17/15 Taking on More Extreme 200
3/24/15 Finishing More Extreme 200
5/05/15 Fick Tricks More Extreme
Weekly Extreme Competition
3/31/15 Weekly Extreme 426 Trials
4/07/15A Colorful Verification Creams Wex 427
4/14/15 Sue de Coq Defeats a Slippery Wex 428
4/21/15 Wex 429 is Sued
4/28/15 Wex 430 Bewitched by Sue de Coq 200
5/12/15 Wex 431 Slips by Sue, but is Caught
5/19/15 Two More Weekly Extremes Join Sue’s Parade
5/26/15 Tracing Exercise with Wex 434
6/02/15 The ALS Jump Ball
6/09/15 Closing the Weekly Extreme Review
7/21/15 Revisiting Wex 435
Longo’s Nastiest Ever
1/19/16 Longo’s Nastiest Collection
1/26/16 Longo’s Nastiest Ever Party II
2/02/16 Tough, But Not So Nasty
2/09/16 Longo’s Nastiest Ever After
Djape Hard Sudoku
3/15/16 Djape’s Only Hard Sudoku
Ardson Very Hard v.2
4/18/17 An Ardson Truly Hard Collection
4/25/17 An Ardson Very Hard Workout
5/02/17 Ardson Not So Hard Ardv2 118
5/17/17 Ardson Very Hard v.2 158
5/23/17 Ardson Very Hard v.2 198 and 238
5/30/17 Another Look at Ardson Very Hard v.2 38
6/06/17 Ardson Very Hard v.2 278, Plus 38 Comments
6/13/17 Ardson Very Hard v.2 318
6/20/17 A Little Harder Ardson v2. 358
6/27/17 A Very Hard Finale with Ardv2 398
7/04/17 Closing Very Hard v.2 with the Real 38
7/11/17 Slink vs. Coloring Networks and Illogical Sudoku
Rebecca Bean 600 Extremely Hard Sudoku
7/25/17 Bean’s Extremely Hard I
8/01/18 Two of Bean’s Less Extreme
David Badger 1001 Sudoku Hard
8/15/17 David Badger’s 1001 Hard Sudoki
8/22/17 Badger’s Advanced Sudoku
Castillo’s Only Hard and Only Extreme
3/29/16 Castillo’s Only Hard Sudoku
9/12/17 A Well Hidden Pair in Only Hard 128
9/18/17 Bookends of the Only Hard
10/03/17 An Advanced Path on Only Extreme 3
10/10/17 Only Not Really Extreme 46
10/17/17 Only Extreme 89 Guilty on Two Counts
10/24/17 Only Extreme 132 Joins the Extreme Team
10/31/17 An Almost Extreme Tags Five Advanced Bases
11/07/17 Only Extreme 218 Straight Up
11/14/17 Only Extreme 218 on Trial by Sysudoku SASdC
11/21/17 Pattern Coloring and Not-Both on Only Extreme 261
11/28/17 Definitely Extreme 304
12/05/17 Dragging in Only Extreme 304
12/12/17 Only Extreme 347 Demands a Color Trial?
12/19/17 Only Extreme 390 – a Fitting Finale
Moito Sudoku Road to Mastery
1/08/18 Moito’s Road to Sudoku Mastery
1/15/18 Moito’s i-4 Inspires a Trace Refinement
1/16/18 How not to find a Multiple on Moito’s Road
1/23/18 Coloring Dominates Very Hard III-15
1/30/18 Coloring Bails Out Basic on III-34
World’s Hardest Sudoku
5/01/18 The World’s Most Over-Titled Sudoku Book
5/15/18 Andrew’s Solver Tames Worlds 200
5/22/18 A Colorful Ending to World’s Hardest 200
5/29/18 LPO Knocks Out World’s Hardest 36
6/05/18 World’s Hardest 65
6/12/18 Coloring Wrings Out World’s Hardest 102
6/19/18 An Untyped UR Rattles World’s Hardest 188
6/26/18 Two More Basic Losses for the World’s Hardest
7/03/18 Painting a World’s Hardest BARN
Funster Hard to Extreme Sudoku
7/10/18 A Guide Update and a Funster Kick Off
7/17/18 Funster Extreme 4 has a Near BUG
7/24/18 Funster Extreme 18 Stays In the Lines
7/31/18 Early Coloring on Funster Extreme 32
8/08/18 Funster Extreme 46 Not So Much
8/14/18 Funster Extreme 60 and 74 Go Together
8/21/18 A Timely Finned Fish in Funster Extreme 88
8/28/18 Funster Extreme 102 Goes BOGO
9/04/18 A Funster Extreme 116 Labor Day Special
9/11/18 Funster Extreme 130 Falls in Line Marking
Will Shortz’ Hard Sudoku v.1
10/02/18 A Challenging Exercise in Sysudoku Basic
10/09/18 Chute Filling Beware 115
10/16/18 Hard Beware 125 Bypass
10/23/18 Three Basic Phases on Beware 135
10/30/18 It’s the Bypass in Hard Sudoku v1 145
11/06/18 Be Especially Aware 155
11/13/18 A Hidden Single Dispatches Beware 165
11/20/18 Beware 175 Follows Suit
11/27/18 Beware 185 Finished in Line Marking
12/01/18 Beware 195 Ends a Basic Review
KrazyDad Insane Review Update
12/11/18 KD Insane 415 Updated
12/18/18 The KD 425 Boomerangs
12/25/18 KrazyDad Insane 425 Introduces Pattern Slicing
1/01/19 Books 3 and 4 in the KD Insane Review
1/08/19 The Insane 455 Pink/Olive Pattern Trial
1/15/19 The Especially Nice Loop of KD Insane 465
1/22/19 Insane 475 by Sudokuwiki and SASdC
1/29/19 KD Insane 485 Introduces the ALS Boomerang
2/05/19 Sudokuwiki Gets a Second Chance
2/12/19 A Pink Pattern Trial on Insane 495
2/19/19 KD Insane 4X5 Caps the Review
James Forest’s Classic Sudoku
2/26/19 Reviewing James Forest’s Classic Sudoku
3/05/19 Classic 48 Gets to the Crayons
3/12/19 An XY Playground in Classic 72
3/19/19 Classic 96 and 120 Solved in Basic
3/26/19 A Classic Insane 144
4/02/19 A Colorful Finish on Classic 144
4/09/19 Classic 168 and Updated Only Extreme 89
4/16/19 Classic 192 and Updated Only Extreme 3
4/23/19 Classic 216 Bypassed and Only Extreme 132 Demoted
4/30/19 Classic Review Ends, OnEx 261 Escapes Trials
Castillo Only Extreme Review Update
4/09/19 Classic 168 and Updated Only Extreme 89
4/16/19 Classic 192 and Updated Only Extreme 3
4/23/19 Classic 216 Bypassed and Only Extreme 132 Demoted
4/30/19 Classic Review Ends, OnEx 261 Escapes Trials
5/07/19 Only Extreme 304 is AIC Level
5/14/19 Only Extreme 304 Scavenger Hunt
Monster Sudoku
The Golden Nugget
10/29/13 A Trials Experiment with Golden Nugget
11/05/13 A Tough Nugget Removal
11/12/13 Akron Sudoku Tournament 2013
12/10/13 Nugget’s Exocet
12/17/13 Packing for the Golden Nugget Exocet Assault
12/24/13 Golden Nugget Exocet Trials
12/31/13 Solving The Golden Nugget
The Easter Monster
2/23/14 Steve’s Opening Volley on the Easter Monster
3/04/14 The Snake Attacks Easter Monster
3/11/14 Kurzhals’ Easter Monster Attack
3/18/14 Advancing the Colors on The Easter Monster
3/25/14 Core Patterns in the Easter Monster
4/01/14 LPO Coloring Trials on the Easter Monster
4/08/14 An Easter Monster Alibi Holds Up
4/15/14 The Easter Monster Falls
The HM Easter Monster
4/22/14 The Hanson Marans Easter Monster
4/29/14 The HM Easter Monster HM and SK Loops
5/06/14 Building a Cluster in the HM Easter Monster
5/13/14 A Second Cluster for the HM Easter Monster
5/20/14 LPO Color Trial on the HM Easter Monster
5/27/14 HM Easter Monster Solved
Fata Morgana
6/16/15 The Fata Morgana Exocet
6/23/15 Trial 13 of Fata Morgana
6/30/15 Fata Morgana Sysudokie Fried
7/07/15 Fata Morgana Wrapped in Pink Olive
7/14/15 The Olive Side of Fata Morgana
