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Log in| Search found 64 matches |
| Author | Message |
|---|---|
 Topic: A Menneske, for a change |
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| Myth Jellies Replies: 9 Views: 28509 |
 Forum: Other puzzles Posted: Tue Nov 09, 2010 1:46 am Subject: A Menneske, for a change |
| You can also use the UR as a weak inhibiting link for the base digits
(6=27)r6c39 -UR- (27=3)r5c39 - (3=6)r4c7 => r6c7 <> 6 Even useful for those times when you have "solved" ... |
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| Topic: Law of Leftovers - Request for Help |
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| Myth Jellies Replies: 4 Views: 109991 |
Forum: Daily Sudoku Squiggly puzzles Posted: Fri Nov 05, 2010 7:45 am Subject: Law of Leftovers - Request for Help |
| The Law of Leftovers is really just a way of looking at and using particular type of constraint set very similar to a fish group (such as an x-wing, swordfish, or jellyfish)
Consider a simple x-win ... |
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| Topic: URs and pseudo cells |
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| Myth Jellies Replies: 7 Views: 58544 |
Forum: Solving techniques, and terminology Posted: Tue Oct 26, 2010 6:57 am Subject: URs and pseudo cells |
| After basics:
After basics and an X-wing on 1:+----------------------+----------------------+----------------------+ | 59 19 56 | 8 7 4 | 2 136 136 | | 238 ... |
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| Topic: Is this a valid DP? |
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| Myth Jellies Replies: 7 Views: 49065 |
Forum: Solving techniques, and terminology Posted: Tue Dec 22, 2009 9:19 am Subject: Is this a valid DP? |
| Myth,
Does this pattern still allow me to use strong inferences as needed to prevent a DP? Assuming I am interpreting your question correctly, the answer is no. Any strong inference is depende ... |
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| Topic: Is this a valid DP? |
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| Myth Jellies Replies: 7 Views: 49065 |
Forum: Solving techniques, and terminology Posted: Sun Dec 20, 2009 9:19 am Subject: Is this a valid DP? |
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+-------------+-------+-------+ | . . . | . . . | . . . | | 149 . 149 | . . . | . . . | | . . . | . . . | . . . | +-------------+-------+-------+ | . 149 149 | . . . | . . . | ... |
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| Topic: Puzzle NR 09/11/13 BBDB |
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| Myth Jellies Replies: 19 Views: 316734 |
Forum: Puzzles by daj Posted: Sat Nov 14, 2009 8:32 am Subject: Puzzle NR 09/11/13 BBDB |
Very creative, Norm   |
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| Topic: MM 1573 10-30-09 |
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| Myth Jellies Replies: 6 Views: 28598 |
Forum: Other puzzles Posted: Mon Nov 02, 2009 7:27 am Subject: MM 1573 10-30-09 |
| Actually, Ted, your deadly pattern is really like a type 6 UR. Note that the sixes are locked in the pattern. Thus if r6c8 was 5 then both of the deadly pattern avoidance cells would have to be 6 an ... | |
| Topic: MM1540 sep-27-09 |
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| Myth Jellies Replies: 12 Views: 45437 |
Forum: Other puzzles Posted: Sat Oct 03, 2009 7:49 am Subject: MM1540 sep-27-09 |
| I agree with Asellus; there is no official way to notate, so just get the point across. Sometimes it depends if you have a picture to go with it.
In the case above, with the picture, I would proba ... |
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| Topic: Unique Rectangles |
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| Myth Jellies Replies: 38 Views: 252943 |
Forum: Solving techniques, and terminology Posted: Wed Sep 30, 2009 3:20 am Subject: Unique Rectangles |
| You've show what is essentially the "naked" patterns associated with URs. There is a whole complementary half of "hidden" patterns based on the question, "Where must the dead ... | |
| Topic: MM1540 sep-27-09 |
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| Myth Jellies Replies: 12 Views: 45437 |
Forum: Other puzzles Posted: Tue Sep 29, 2009 4:52 pm Subject: MM1540 sep-27-09 |
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*-----------------------------------------------------------* | 5 38 367 | 1 37 4 | 6789 689 2 | | 9 124 1267 | 78 257 28 | 3 46 567 | | 78 ... |
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| Topic: Vanhegan Fiendish September 24 |
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| Myth Jellies Replies: 8 Views: 27156 |
Forum: Other puzzles Posted: Fri Sep 25, 2009 8:57 am Subject: Vanhegan Fiendish September 24 |
| *-----------------------------------------------------------*
| 7 246 1234 | 1346 36 9 | 236 8 5 | | 139 269 123 | 136 8 5 | 236 4 7 | | 34 ... |
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| Topic: MM 1517 & 1519 |
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| Myth Jellies Replies: 9 Views: 29791 |
Forum: Other puzzles Posted: Thu Sep 10, 2009 8:21 pm Subject: MM 1517 & 1519 |
| could you also express it like this?
MUG479 That would be confusing. The MUG only forces either a 2 or a 6, but not necessarily both to be true (just like a UR). Thus you have a strong link betw ... |
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| Topic: MM 1517 & 1519 |
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| Myth Jellies Replies: 9 Views: 29791 |
Forum: Other puzzles Posted: Thu Sep 10, 2009 5:08 pm Subject: MM 1517 & 1519 |
| 1517: After a skyscraper on 2:+-------------------+--------------------+-------------------+
| 5 *479 8 | 27 *479+26 69 | 24 3 1 | | 3 *49 2 | 1 *49 5 ... |
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| Topic: AICs vs. Forcing Chains |
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| Myth Jellies Replies: 6 Views: 49296 |
Forum: Solving techniques, and terminology Posted: Mon Sep 07, 2009 3:23 am Subject: AICs vs. Forcing Chains |
| ...do you have an example where the value in the ERI cell is eliminated in a AIC loop?
Not for a normal sudoku. The reason for that is there is always a shorter and usually simpler discontinuous A ... |
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| Topic: Menneske Super Hard (56) |
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| Myth Jellies Replies: 6 Views: 23365 |
Forum: Other puzzles Posted: Sat Jul 25, 2009 8:18 am Subject: Menneske Super Hard (56) |
| Not to take anything away from Norm's solution path, which was genius, but here is a little hint I have found that may help the more mortal among us.
When evaluating a UR, if you find yourself cons ... |
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| Topic: AICs vs. Forcing Chains |
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| Myth Jellies Replies: 6 Views: 49296 |
Forum: Solving techniques, and terminology Posted: Fri Jul 24, 2009 6:36 am Subject: AICs vs. Forcing Chains |
| The issue is that when you describe an AIC construct via a forcing chain, you give the very natural impression that you plugged in one truth value and followed its implications along, then you plugged ... | |
| Topic: AICs vs. Forcing Chains |
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| Myth Jellies Replies: 6 Views: 49296 |
Forum: Solving techniques, and terminology Posted: Thu Jul 23, 2009 7:35 am Subject: AICs vs. Forcing Chains |
 The difference lies not in what is discovered, but how it is discovered.
An AIC is a meta-pattern. I can find an AIC by finding sub-patterns. These sub-patterns (bivalued cells, bilo ... |
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| Topic: Outlaw puzzle from Paul's Pages |
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| Myth Jellies Replies: 12 Views: 37997 |
Forum: Other puzzles Posted: Fri Oct 10, 2008 10:09 pm Subject: Outlaw puzzle from Paul's Pages |
| Here�s another question for anyone out there. See the two 5�s in C4. The bottom one uses the ER hinge in Box6 to remove the 5v from R1C6. The top one leaves the 5a in R1C2 which also removes the 5v. N ... | |
| Topic: LA Times / Freep - July 11, 2008 |
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| Myth Jellies Replies: 10 Views: 34964 |
Forum: Other puzzles Posted: Sat Jul 12, 2008 8:16 am Subject: LA Times / Freep - July 11, 2008 |
| *-----------*
|...|.49|.6.| |..4|.3.|...| |.56|...|.2.| |---+---+---| |9..|87.|...| |...|3.5|...| |7..|.91|8.5| |---+---+---| |.2.|...|94.| |...|...|1..| |.8.|41.|...| *------- ... |
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| Topic: Menneske SH like VH |
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| Myth Jellies Replies: 5 Views: 25552 |
Forum: Other puzzles Posted: Fri Jun 27, 2008 7:36 am Subject: Menneske SH like VH |
| (sigh) once again, people start finding these patterns more effectively than I ever could. Time to go invent a new one I guess.
Nice catch, Ravel. |
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