Advanced solving techniques
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- Forcing chain for beginners
by Kent » Fri Mar 10, 2006 10:13 pm - 6 Replies
- 3003 Views
- Last post by Kent
Sat Mar 11, 2006 8:51 am
- Forcing chain for beginners
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- Trouble with this Puzzel
by jwestern » Sat Mar 11, 2006 1:39 am - 4 Replies
- 2481 Views
- Last post by jwestern
Sat Mar 11, 2006 7:04 am
- Trouble with this Puzzel
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- almost-locked-sets (ALS) for beginners
1, 2by smoof » Mon Mar 06, 2006 6:29 pm - 21 Replies
- 11055 Views
- Last post by ronk
Fri Mar 10, 2006 1:58 pm
- almost-locked-sets (ALS) for beginners
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- Are all of these simple nice loops?
by flip » Tue Mar 07, 2006 4:37 pm - 8 Replies
- 4776 Views
- Last post by Jeff
Wed Mar 08, 2006 7:38 pm
- Are all of these simple nice loops?
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- Treating Sudokus as a special kind of Jigsaw Sudoku
by AndrewStuart » Thu Feb 23, 2006 2:55 am - 1 Replies
- 2845 Views
- Last post by r.e.s.
Tue Mar 07, 2006 9:37 pm
- Treating Sudokus as a special kind of Jigsaw Sudoku
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- New Unique pattern trick?
1, 2by vidarino » Thu Mar 02, 2006 1:47 pm - 29 Replies
- 22650 Views
- Last post by Myth Jellies
Tue Mar 07, 2006 4:59 pm
- New Unique pattern trick?
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- Nice loops for advanced level players - triple chain
1, 2by Jeff » Sat Dec 03, 2005 11:42 am - 15 Replies
- 14765 Views
- Last post by Jeff
Mon Mar 06, 2006 7:54 pm
- Nice loops for advanced level players - triple chain
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- Nice loops for intermediate level players - Grouped x-cycle
1, 2by Jeff » Tue Jan 03, 2006 9:35 am - 23 Replies
- 27650 Views
- Last post by Jeff
Mon Mar 06, 2006 6:39 am
- Nice loops for intermediate level players - Grouped x-cycle
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- Nice loops for advanced level players - grouped nice loop
by Jeff » Wed Dec 07, 2005 12:48 pm - 6 Replies
- 7199 Views
- Last post by Jeff
Mon Mar 06, 2006 6:27 am
- Nice loops for advanced level players - grouped nice loop
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- Nice loops for advanced level players - multiple nice loop
by Jeff » Mon Dec 05, 2005 1:04 pm - 5 Replies
- 6980 Views
- Last post by Jeff
Mon Mar 06, 2006 5:30 am
- Nice loops for advanced level players - multiple nice loop
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- Need help with almost-locked-sets
by smoof » Sat Mar 04, 2006 7:02 am - 8 Replies
- 5772 Views
- Last post by Neunmalneun
Sun Mar 05, 2006 12:14 pm
- Need help with almost-locked-sets
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- Reduction of possibilities
by geocant » Thu Mar 02, 2006 7:02 pm - 3 Replies
- 2373 Views
- Last post by vidarino
Fri Mar 03, 2006 1:15 am
- Reduction of possibilities
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- New to Colouring
1, 2by Camchase » Sun Jan 22, 2006 7:52 pm - 24 Replies
- 9676 Views
- Last post by yasmin
Thu Mar 02, 2006 10:27 pm
- New to Colouring
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- Unique Rectangle type 5 shortcut
by vidarino » Sun Feb 26, 2006 1:57 pm - 7 Replies
- 6899 Views
- Last post by Neunmalneun
Thu Mar 02, 2006 5:58 pm
- Unique Rectangle type 5 shortcut
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- impossible sudoku to solve
by motoaspes » Wed Mar 01, 2006 2:58 pm - 2 Replies
- 2855 Views
- Last post by Wolfgang
Wed Mar 01, 2006 4:02 pm
- impossible sudoku to solve
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- Another Example of an Almost Unique Pattern
by Carcul » Tue Jan 17, 2006 12:38 pm - 7 Replies
- 4682 Views
- Last post by Carcul
Wed Mar 01, 2006 2:42 pm
- Another Example of an Almost Unique Pattern
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- Extension of xyz-wing
1, 2by Jeff » Fri Aug 12, 2005 3:40 am - 18 Replies
- 22350 Views
- Last post by Mike Barker
Tue Feb 28, 2006 2:39 pm
- Extension of xyz-wing
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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
- 2550 Views
- Last post by tso
Tue Feb 28, 2006 3:20 am
- One paper+pencil technique to find xy-type forcing chains
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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
- 6267 Views
- Last post by Carcul
Mon Feb 27, 2006 11:07 am
- So could we use a new forcing chain notation?
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- New Member need help with 'colours'
1, 2by moggymidge » Sun Feb 19, 2006 10:03 am - 19 Replies
- 8492 Views
- Last post by vidarino
Sun Feb 26, 2006 8:16 am
- New Member need help with 'colours'
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- "No Hint Available..."
by bradles » Thu Feb 23, 2006 11:44 am - 7 Replies
- 5114 Views
- Last post by ronk
Sat Feb 25, 2006 10:01 pm
- "No Hint Available..."
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- Nice loops for intermediate level players - Grouped xy-chain
by Jeff » Tue Jan 24, 2006 1:55 pm - 2 Replies
- 4963 Views
- Last post by Jeff
Fri Feb 24, 2006 4:09 am
- Nice loops for intermediate level players - Grouped xy-chain
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- Techniques
by Chessmaster » Thu Feb 23, 2006 12:38 am - 1 Replies
- 2474 Views
- Last post by angusj
Thu Feb 23, 2006 12:54 am
- Techniques
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- Reduction to 2 mutually exclusive pairs
by geocant » Wed Feb 22, 2006 1:55 pm - 1 Replies
- 2060 Views
- Last post by vidarino
Wed Feb 22, 2006 2:11 pm
- Reduction to 2 mutually exclusive pairs
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- More uniqueness fun
by vidarino » Mon Feb 20, 2006 11:33 pm - 2 Replies
- 2908 Views
- Last post by vidarino
Tue Feb 21, 2006 12:55 am
- More uniqueness fun
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- Colouring with three conjugate chains, I mean four now
1, 2by TKiel » Mon Feb 13, 2006 3:18 pm - 18 Replies
- 10312 Views
- Last post by ronk
Mon Feb 20, 2006 12:51 am
- Colouring with three conjugate chains, I mean four now
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- Another "Monster" Puzzle
by Carcul » Mon Feb 13, 2006 5:28 pm - 4 Replies
- 2723 Views
- Last post by tso
Sat Feb 18, 2006 5:05 pm
- Another "Monster" Puzzle
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- special paper form
by Big Al » Tue Feb 14, 2006 1:43 am - 3 Replies
- 2085 Views
- Last post by Cec
Sat Feb 18, 2006 10:23 am
- special paper form
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- reunification
by jburke » Wed Feb 15, 2006 3:47 pm - 2 Replies
- 1979 Views
- Last post by ronk
Wed Feb 15, 2006 5:14 pm
- reunification
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- Almost Hidden Sets--Useful? Redundant?
by re'born » Mon Feb 13, 2006 7:17 am - 7 Replies
- 4928 Views
- Last post by aeb
Wed Feb 15, 2006 12:33 am
- Almost Hidden Sets--Useful? Redundant?
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- Downscoring some "Sudokus We Can't Solve By Logic"
by algol » Sun Feb 12, 2006 7:08 pm - 8 Replies
- 5611 Views
- Last post by algol
Tue Feb 14, 2006 4:39 pm
- Downscoring some "Sudokus We Can't Solve By Logic"
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