Advanced methods and approaches for solving Sudoku puzzles
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- Forcing chain for beginners
by Kent » Fri Mar 10, 2006 10:13 pm
- 6 Replies
- 2996 Views
- Last post by Kent
Sat Mar 11, 2006 8:51 am
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- Trouble with this Puzzel
by jwestern » Sat Mar 11, 2006 1:39 am
- 4 Replies
- 2473 Views
- Last post by jwestern
Sat Mar 11, 2006 7:04 am
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- almost-locked-sets (ALS) for beginners
by smoof » Mon Mar 06, 2006 6:29 pm
- 21 Replies
- 11003 Views
- Last post by ronk
Fri Mar 10, 2006 1:58 pm
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- Multiple Coloring??
by bradles » Thu Feb 23, 2006 12:45 am
- 36 Replies
- 14519 Views
- Last post by yasmin
Thu Mar 09, 2006 9:33 pm
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- Are all of these simple nice loops?
by flip » Tue Mar 07, 2006 4:37 pm
- 8 Replies
- 4767 Views
- Last post by Jeff
Wed Mar 08, 2006 7:38 pm
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- Treating Sudokus as a special kind of Jigsaw Sudoku
by AndrewStuart » Thu Feb 23, 2006 2:55 am
- 1 Replies
- 2837 Views
- Last post by r.e.s.
Tue Mar 07, 2006 9:37 pm
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- New Unique pattern trick?
by vidarino » Thu Mar 02, 2006 1:47 pm
- 29 Replies
- 22592 Views
- Last post by Myth Jellies
Tue Mar 07, 2006 4:59 pm
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- Nice loops for elementary level players - the x-cycle
by Jeff » Mon Jan 02, 2006 9:19 pm
- 39 Replies
- 47085 Views
- Last post by flip
Tue Mar 07, 2006 4:42 pm
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- Nice loops for advanced level players - triple chain
by Jeff » Sat Dec 03, 2005 11:42 am
- 15 Replies
- 14730 Views
- Last post by Jeff
Mon Mar 06, 2006 7:54 pm
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- Nice loops for intermediate level players - Grouped x-cycle
by Jeff » Tue Jan 03, 2006 9:35 am
- 23 Replies
- 27619 Views
- Last post by Jeff
Mon Mar 06, 2006 6:39 am
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- Nice loops for advanced level players - grouped nice loop
by Jeff » Wed Dec 07, 2005 12:48 pm
- 6 Replies
- 7179 Views
- Last post by Jeff
Mon Mar 06, 2006 6:27 am
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- Nice loops for advanced level players - multiple nice loop
by Jeff » Mon Dec 05, 2005 1:04 pm
- 5 Replies
- 6965 Views
- Last post by Jeff
Mon Mar 06, 2006 5:30 am
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- Need help with almost-locked-sets
by smoof » Sat Mar 04, 2006 7:02 am
- 8 Replies
- 5761 Views
- Last post by Neunmalneun
Sun Mar 05, 2006 12:14 pm
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- My Worry with Forced Chains
by kwdos » Mon Sep 26, 2005 11:47 am
- 34 Replies
- 31383 Views
- Last post by Jeff
Sun Mar 05, 2006 6:12 am
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- What Next
by JeffInCA » Sat Mar 04, 2006 5:16 am
- 7 Replies
- 4721 Views
- Last post by ronk
Sat Mar 04, 2006 9:39 pm
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- duality
by ab » Fri Mar 03, 2006 2:45 pm
- 0 Replies
- 1852 Views
- Last post by ab
Fri Mar 03, 2006 2:45 pm
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- Reduction of possibilities
by geocant » Thu Mar 02, 2006 7:02 pm
- 3 Replies
- 2363 Views
- Last post by vidarino
Fri Mar 03, 2006 1:15 am
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- New to Colouring
by Camchase » Sun Jan 22, 2006 7:52 pm
- 24 Replies
- 9654 Views
- Last post by yasmin
Thu Mar 02, 2006 10:27 pm
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- Unique Rectangle type 5 shortcut
by vidarino » Sun Feb 26, 2006 1:57 pm
- 7 Replies
- 6887 Views
- Last post by Neunmalneun
Thu Mar 02, 2006 5:58 pm
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- Is there a simple alternative for this template discovery?
by Ruud » Tue Feb 21, 2006 12:44 am
- 70 Replies
- 32499 Views
- Last post by ravel
Thu Mar 02, 2006 4:40 pm
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- impossible sudoku to solve
by motoaspes » Wed Mar 01, 2006 2:58 pm
- 2 Replies
- 2846 Views
- Last post by Wolfgang
Wed Mar 01, 2006 4:02 pm
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- Another Example of an Almost Unique Pattern
by Carcul » Tue Jan 17, 2006 12:38 pm
- 7 Replies
- 4673 Views
- Last post by Carcul
Wed Mar 01, 2006 2:42 pm
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- The Type E3 Almost Unique Rectangle
by Carcul » Sat Jan 14, 2006 4:47 pm
- 33 Replies
- 14236 Views
- Last post by Carcul
Tue Feb 28, 2006 2:50 pm
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- Extension of xyz-wing
by Jeff » Fri Aug 12, 2005 3:40 am
- 18 Replies
- 22321 Views
- Last post by Mike Barker
Tue Feb 28, 2006 2:39 pm
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- One paper+pencil technique to find xy-type forcing chains
by tso » Tue Feb 28, 2006 3:20 am
- 0 Replies
- 2540 Views
- Last post by tso
Tue Feb 28, 2006 3:20 am
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- So could we use a new forcing chain notation?
by Myth Jellies » Thu Feb 09, 2006 10:48 am
- 9 Replies
- 6257 Views
- Last post by Carcul
Mon Feb 27, 2006 11:07 am
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- New Member need help with 'colours'
by moggymidge » Sun Feb 19, 2006 10:03 am
- 19 Replies
- 8472 Views
- Last post by vidarino
Sun Feb 26, 2006 8:16 am
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- "No Hint Available..."
by bradles » Thu Feb 23, 2006 11:44 am
- 7 Replies
- 5096 Views
- Last post by ronk
Sat Feb 25, 2006 10:01 pm
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- Nice loops for intermediate level players - Grouped xy-chain
by Jeff » Tue Jan 24, 2006 1:55 pm
- 2 Replies
- 4949 Views
- Last post by Jeff
Fri Feb 24, 2006 4:09 am
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- Techniques
by Chessmaster » Thu Feb 23, 2006 12:38 am
- 1 Replies
- 2463 Views
- Last post by angusj
Thu Feb 23, 2006 12:54 am
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- Reduction to 2 mutually exclusive pairs
by geocant » Wed Feb 22, 2006 1:55 pm
- 1 Replies
- 2053 Views
- Last post by vidarino
Wed Feb 22, 2006 2:11 pm
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- More uniqueness fun
by vidarino » Mon Feb 20, 2006 11:33 pm
- 2 Replies
- 2897 Views
- Last post by vidarino
Tue Feb 21, 2006 12:55 am
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- xy chains
by dneely » Sat Feb 11, 2006 1:40 am
- 8 Replies
- 4453 Views
- Last post by emm
Mon Feb 20, 2006 2:44 am
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- Colouring with three conjugate chains, I mean four now
by TKiel » Mon Feb 13, 2006 3:18 pm
- 18 Replies
- 10292 Views
- Last post by ronk
Mon Feb 20, 2006 12:51 am
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- Vidar's Monster #2
by vidarino » Mon Feb 13, 2006 9:31 am
- 32 Replies
- 20262 Views
- Last post by ronk
Sun Feb 19, 2006 9:47 pm
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- Another "Monster" Puzzle
by Carcul » Mon Feb 13, 2006 5:28 pm
- 4 Replies
- 2717 Views
- Last post by tso
Sat Feb 18, 2006 5:05 pm
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- special paper form
by Big Al » Tue Feb 14, 2006 1:43 am
- 3 Replies
- 2073 Views
- Last post by Cec
Sat Feb 18, 2006 10:23 am
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- reunification
by jburke » Wed Feb 15, 2006 3:47 pm
- 2 Replies
- 1972 Views
- Last post by ronk
Wed Feb 15, 2006 5:14 pm
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- Almost Hidden Sets--Useful? Redundant?
by re'born » Mon Feb 13, 2006 7:17 am
- 7 Replies
- 4907 Views
- Last post by aeb
Wed Feb 15, 2006 12:33 am
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- Downscoring some "Sudokus We Can't Solve By Logic"
by algol » Sun Feb 12, 2006 7:08 pm
- 8 Replies
- 5601 Views
- Last post by algol
Tue Feb 14, 2006 4:39 pm
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