Advanced solving techniques
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- New Member need help with 'colours'
1, 2by moggymidge » Sun Feb 19, 2006 10:03 am - 19 Replies
- 8707 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
- 5278 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
- 5222 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
- 2556 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
- 2155 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
- 3064 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
- 10589 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
- 2806 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
- 2180 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
- 2073 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
- 5510 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
- 5700 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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- Samurai Sudoku solver
by Guest » Tue Feb 14, 2006 3:30 am - 0 Replies
- 2598 Views
- Last post by Guest
Tue Feb 14, 2006 3:30 am
- Samurai Sudoku solver
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- Creating Sudoku puzzles
by luvsudoku » Sun Feb 12, 2006 7:27 pm - 4 Replies
- 2959 Views
- Last post by deam3r
Mon Feb 13, 2006 4:58 am
- Creating Sudoku puzzles
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- Three Puzzles
1, 2by Carcul » Thu Feb 09, 2006 11:03 am - 25 Replies
- 9027 Views
- Last post by gsf
Mon Feb 13, 2006 3:15 am
- Three Puzzles
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- New to Sudoku, Expert help needed about advanced techniques
by Gunns » Sat Feb 11, 2006 4:40 pm - 1 Replies
- 2397 Views
- Last post by TKiel
Sat Feb 11, 2006 8:16 pm
- New to Sudoku, Expert help needed about advanced techniques
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- How is this (forcing chain?) called?
by henk » Sat Feb 11, 2006 4:02 pm - 4 Replies
- 2216 Views
- Last post by tarek
Sat Feb 11, 2006 4:40 pm
- How is this (forcing chain?) called?
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- Multi colouring - expert help required
by CathyW » Fri Feb 10, 2006 10:24 am - 5 Replies
- 2669 Views
- Last post by CathyW
Fri Feb 10, 2006 11:10 pm
- Multi colouring - expert help required
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- Generalization of XYZ-wing
by vidarino » Wed Feb 08, 2006 3:36 pm - 7 Replies
- 7557 Views
- Last post by aeb
Thu Feb 09, 2006 12:01 am
- Generalization of XYZ-wing
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- Error Chains (new solve technique?)
1, 2by Graeme » Mon Feb 06, 2006 10:39 am - 16 Replies
- 7288 Views
- Last post by Havard
Wed Feb 08, 2006 9:03 pm
- Error Chains (new solve technique?)
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- A tough one?
by vidarino » Tue Feb 07, 2006 11:49 pm - 7 Replies
- 3331 Views
- Last post by aeb
Wed Feb 08, 2006 4:16 pm
- A tough one?
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- What methods do you use past mixed forcing chains + nishio?
1, 2by tso » Sun Feb 05, 2006 7:16 pm - 17 Replies
- 6120 Views
- Last post by Jeff
Tue Feb 07, 2006 3:15 am
- What methods do you use past mixed forcing chains + nishio?
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- sudoku of the day step by step solution
by michgirl » Fri Feb 03, 2006 4:02 pm - 4 Replies
- 3030 Views
- Last post by Havard
Mon Feb 06, 2006 12:21 pm
- sudoku of the day step by step solution
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- Colouring question
by pjaj » Fri Feb 03, 2006 5:31 pm - 7 Replies
- 2942 Views
- Last post by TKiel
Sun Feb 05, 2006 5:20 pm
- Colouring question
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- Unique non-rectangles?
by PhilC » Fri Feb 03, 2006 11:26 pm - 8 Replies
- 3007 Views
- Last post by tarek
Sat Feb 04, 2006 11:39 am
- Unique non-rectangles?
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- minimum numbers in sudo ku
by prateek » Tue Jan 31, 2006 1:39 pm - 4 Replies
- 3539 Views
- Last post by sas
Fri Feb 03, 2006 10:32 pm
- minimum numbers in sudo ku
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- A deduction from uniqueness
1, 2, 3by Scott H » Fri Jul 29, 2005 4:54 am - 36 Replies
- 21135 Views
- Last post by Moschopulus
Fri Feb 03, 2006 12:33 pm
- A deduction from uniqueness
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- Is the "hidden subset" technique necessary?
by Christianbuus » Fri Feb 03, 2006 10:12 am - 2 Replies
- 2566 Views
- Last post by Jeff
Fri Feb 03, 2006 11:10 am
- Is the "hidden subset" technique necessary?
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- Uniqueness & XY/XYZ wing
by tarek » Thu Feb 02, 2006 4:52 pm - 2 Replies
- 2059 Views
- Last post by tarek
Thu Feb 02, 2006 5:40 pm
- Uniqueness & XY/XYZ wing
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- Multiple Colors in Simple Sudoku
by JeffInCA » Tue Jan 31, 2006 5:47 am - 6 Replies
- 3811 Views
- Last post by JeffInCA
Tue Jan 31, 2006 10:46 am
- Multiple Colors in Simple Sudoku
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- what solving technique should have been applied here?
by papakapp » Mon Jan 30, 2006 8:31 am - 7 Replies
- 3398 Views
- Last post by eclark
Tue Jan 31, 2006 4:40 am
- what solving technique should have been applied here?
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- Need more difficult puzzle
by jsmarba » Mon Jan 30, 2006 6:02 pm - 1 Replies
- 1696 Views
- Last post by CathyW
Mon Jan 30, 2006 6:28 pm
- Need more difficult puzzle
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- Request
by handshakeit » Mon Jan 30, 2006 7:08 am - 1 Replies
- 1529 Views
- Last post by Shazbot
Mon Jan 30, 2006 9:07 am
- Request
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- Gone Fishing
by TKiel » Sun Jan 29, 2006 4:19 pm - 0 Replies
- 1686 Views
- Last post by TKiel
Sun Jan 29, 2006 4:19 pm
- Gone Fishing
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- What is this called?
by Mike Barker » Mon Jan 23, 2006 7:22 am - 12 Replies
- 6531 Views
- Last post by Jeff
Sat Jan 28, 2006 2:02 am
- What is this called?
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