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Log in| Search found 127 matches |
| Author | Message |
|---|---|
 Topic: "too hard" — Mauricio (2008.Mar.14) |
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| SudoQ Replies: 5 Views: 30402 |
 Forum: Other puzzles Posted: Thu Dec 13, 2012 1:16 am Subject: "too hard" — Mauricio (2008.Mar.14) |
| r7c5<>2
r8c3<>7 r5c4<>5 or r9c5<>2 ! /SudoQ |
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| Topic: Menneske 4668662 |
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| SudoQ Replies: 5 Views: 42391 |
Forum: Other puzzles Posted: Wed Dec 05, 2012 3:26 pm Subject: Menneske 4668662 |
| A 8 cell solution:|---------------|-------------|----------------|
| 125 267 8 |(12) 45 3 | 9 1247 (1)6| | 4 237 9 | 8 12 6 | 37 127 5 | | 125 236 16 ... |
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| Topic: Menneske6905337 |
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| SudoQ Replies: 14 Views: 89579 |
Forum: Other puzzles Posted: Tue Nov 13, 2012 10:43 pm Subject: Menneske6905337 |
| What I'm seeing superficially is that r5c4=1 -> a 268 triple in r5.
Since r5c1<>8, r5c9=8 -> a 26 pair in r5c12./SudoQ |
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| Topic: Menneske6905337 |
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| SudoQ Replies: 14 Views: 89579 |
Forum: Other puzzles Posted: Tue Nov 13, 2012 10:15 am Subject: Menneske6905337 |
| r2c1=8 -> r2c6=1 -> r5c4=1 -> r5c9=8 ->
-> -> r6c4=8 -> r6c23=7 => r2c1<>8/SudoQ |
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| Topic: Vanhegan fiendish October 15, 2012 |
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| SudoQ Replies: 5 Views: 30416 |
Forum: Other puzzles Posted: Mon Oct 15, 2012 4:18 pm Subject: Vanhegan fiendish October 15, 2012 |
| A similar pattern as arkietech posted:|-------------|--------------|------------|
| 3 (67) 19 |(67) 4 8 | 19 5 2 | | 8 2 1-6 | 3 9 5 |1(6) 7 4 | | 7 ... |
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| Topic: Free Press October 5, 2012 |
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| SudoQ Replies: 4 Views: 30323 |
Forum: Other puzzles Posted: Sat Oct 06, 2012 6:38 am Subject: Free Press October 5, 2012 |
| A contradiction networks without BUGs and URs:
r1c1=8 -> r1c2=9 -> r8c1=9 -> r5c1=1 -> r5c7=7, r6c1=5 -> r7c8=7 -> r4c3=7 -> r4c9=59 => r1c1<>8/SudoQ |
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| Topic: Vanhegan fiendish September 19, 2012 |
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| SudoQ Replies: 3 Views: 23826 |
Forum: Other puzzles Posted: Wed Sep 19, 2012 8:35 pm Subject: Vanhegan fiendish September 19, 2012 |
| Q8 and C5:
|---------------| | 1 | | (9)-8 | | 4 | |---------------| | 7 | | 238 | | 6 | |---------------| |(2 ... |
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| Topic: AU Tough September 17, 2012 |
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| SudoQ Replies: 7 Views: 41980 |
Forum: Other puzzles Posted: Wed Sep 19, 2012 3:08 am Subject: AU Tough September 17, 2012 |
| The HoDoKu XY-Chain:
http://i45.tinypic.com/ipxkbk.jpg /SudoQ |
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| Topic: AU Tough September 17, 2012 |
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| SudoQ Replies: 7 Views: 41980 |
Forum: Other puzzles Posted: Tue Sep 18, 2012 3:38 pm Subject: AU Tough September 17, 2012 |
| Hi,
can I include a picture, without a http address? /SudoQ |
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| Topic: AU Tough September 17, 2012 |
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| SudoQ Replies: 7 Views: 41980 |
Forum: Other puzzles Posted: Tue Sep 18, 2012 3:15 pm Subject: AU Tough September 17, 2012 |
| A pure bi-value chain:
|------------|----------|----------------| | 8 5 3 | 2 1 6 | 9 7 4 | | 12 7 4 | 3 8 9 | 56 12 56 | | 9 (12) 6 | 5 4 7 | 123 8 ... |
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| Topic: AU Tough September 17, 2012 |
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| SudoQ Replies: 7 Views: 41980 |
Forum: Other puzzles Posted: Tue Sep 18, 2012 1:10 pm Subject: AU Tough September 17, 2012 |
| If you let the HoDoKu program solve this puzzle, you get the following one-stepper:XY-Chain: 2 2- r2c8 -1- r2c1 -2- r8c1 -5- r8c9 -3- r3c9 -2- r7c9 -9- r7c4 -8- r7c2 -4- r5c2 -1- r3c2 -2 => r2c ... | |
| Topic: AU tough September 6, 2012 |
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| SudoQ Replies: 6 Views: 30213 |
Forum: Other puzzles Posted: Sat Sep 08, 2012 4:04 pm Subject: AU tough September 6, 2012 |
Maybe not as elegant as "Sue de Coq", but easier to understand!? 
|-----------|------------------|--------------| | 7 8 4 | 9 56 56 | 1 23 23 | | 9 3 2 | 1 7 ... |
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| Topic: AU Tough September 1, 2012 |
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| SudoQ Replies: 8 Views: 38746 |
Forum: Other puzzles Posted: Tue Sep 04, 2012 2:52 pm Subject: AU Tough September 1, 2012 |
| I do not understand this step.
I think that it is an M-Ring, similar to the one daj showed. |--------------------|--------------------|--------------| | 4 35789 135689 | 68 16789 1678 | 57 ... |
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| Topic: AU Tough September 1, 2012 |
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| SudoQ Replies: 8 Views: 38746 |
Forum: Other puzzles Posted: Sun Sep 02, 2012 2:30 pm Subject: AU Tough September 1, 2012 |
| r9c4=r4c5 (r789c6<>35)
/SudoQ |
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| Topic: Collection August 23, 2012 |
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| SudoQ Replies: 12 Views: 54842 |
Forum: Other puzzles Posted: Thu Aug 23, 2012 12:59 pm Subject: Collection August 23, 2012 |
Interesting 
Have the APES evolved? |---------------|-------------|---------------|
| 8 1 3 | 56 7 2 | 56 4 9 | | 7 (94)xz 5 | 68 3 49 | 2 68 1 | | ... |
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| Topic: Collection August 23, 2012 |
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| SudoQ Replies: 12 Views: 54842 |
Forum: Other puzzles Posted: Thu Aug 23, 2012 11:34 am Subject: Collection August 23, 2012 |
| A new method.
Isn't this a XYZ-wing? /SudoQ |
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| Topic: Collection August 23, 2012 |
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| SudoQ Replies: 12 Views: 54842 |
Forum: Other puzzles Posted: Thu Aug 23, 2012 8:55 am Subject: Collection August 23, 2012 |
| There are simpler steps, but this one has an additional value:|---------------|------------------|--------------------|
| 8 1 3 | 56 7 29 | 2569 4 69 | | 7 469 5 | 46 ... |
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| Topic: Vanhegan extreme August 22, 2012 |
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| SudoQ Replies: 4 Views: 25932 |
Forum: Other puzzles Posted: Wed Aug 22, 2012 3:13 pm Subject: Vanhegan extreme August 22, 2012 |
| If r1c7 is not a 3 then r7c9 is a 3
A similar solution:|--------------|---------------|-----------------| |(24) 9 5 | 6 8 1 |(23) 7 24-3 | | 6 1 7 | 3 2 ... |
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| Topic: Vanhegan Fiendish August 21, 2012 |
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| SudoQ Replies: 8 Views: 35380 |
Forum: Other puzzles Posted: Tue Aug 21, 2012 2:05 pm Subject: Vanhegan Fiendish August 21, 2012 |
I spotted the w-wing and quit. 
What's wrong with that!? /SudoQ |
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| Topic: LA Times Diabolical Fri, 20-Jul-2012 |
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| SudoQ Replies: 5 Views: 27724 |
Forum: Other puzzles Posted: Wed Aug 15, 2012 1:04 pm Subject: Re: LA Times Diabolical Fri, 20-Jul-2012 |
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The link doesn't work! http://www.dailysudoku.com/sudoku/play.shtml?p=2:9:5:4:8:6:3:9:2:6:4:8:7:7:9:7:6:8:3:1:4&# ... |
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