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Archive
Since there has been interesting strategy discussion on these puzzles and by popular request,
I have opened an archive on the last thirty weeks. The discussion section is open for continued posting.
Share and Enjoy
Puzzles 1 to 250 are available as , just $5.49. Pack 3, 4 and 5 just released!
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Discussion...
by:kolumbus |
20-Aug-2017, 04:05 |
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Careful elimination and Setti's rule (twice) will solve the whole puzzle. There is no chain needed, nore any guess/tryout. Mind the gap in col 1.
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by: Leren |
20-Aug-2017, 05:07 |
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| | That's why I published an alternative. In fact Andrew's puzzle can be solved in a similar way without clues in C3 and G8.
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by: Leren |
20-Aug-2017, 05:22 |
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| | Yet another typo. I meant C1 and G8.
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by: kolumbus |
20-Aug-2017, 05:47 |
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| | Thanks, Leren, your alternative is the kind of challenge I like. Needed a little chain.
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by: Ben |
20-Aug-2017, 14:27 |
Add to this thread |
| | No chain is needed for Leren's alternative.
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by:Christoph |
20-Aug-2017, 03:09 |
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I have found another way: E1 is defined (if AB1 is high and also if AB1 is low!). This solves E123, H12345, J24, hi/lo in col 1,.... and so on.
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by: Toni |
20-Aug-2017, 03:42 |
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| | Sorry, I can't follow. For me E1 is 458. How do you come to a decision for one figure?
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by: Stefan |
20-Aug-2017, 04:28 |
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| | @Toni try E1=8... you will get 2 as SC in this compartment, which is not possible in a 6-cell compartment, so E1 != 8, E1-3 is low, and so on
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by: jgrab |
20-Aug-2017, 05:00 |
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| | @ Christoph: Yes, but E1 still remains 45 until C2 is cleared through two Settis applied to row C.
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by: Christoph |
20-Aug-2017, 09:08 |
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| | @jgrab:
Yes, I agree. After solving A3,C3,J78,H8, I had setti 4, thus 4 in C and H, setti 8, thus 8 in H and C thus C2=4. Thus E123 = 456 or
876. Thus E1= 4 or 8. Now careful analysis of col 1.
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by: pgw |
20-Aug-2017, 09:33 |
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| | @jgrab and @Christoph - setti 8 and setti 4 solve C2=4, thus E2 not 4. And since E3 and E9 are both no lower than 6, E123 can only be 456 or 789 - not 678. So E1 is either 4 or 8, but then the logic of Christoph's original post compels E1=4.
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by: pgw |
20-Aug-2017, 09:34 |
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| | Um, I did a really bad job reading your posts, which make clear you figured out the setti thing. I don't understand why that leads you to say "yes, but" but anyways you can ignore me now...
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by: Christoph |
20-Aug-2017, 10:22 |
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| | Thanks pgw.
TYPO in my last post.
Correct reading: ....E123 = 456 or 789 (not 678).
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by: jgrab |
20-Aug-2017, 12:09 |
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| | @ pgw: My "but" refered to the fact that Christoph said E1 was defined, which sounds like the definite filling if the cell.
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by: Christoph |
20-Aug-2017, 17:19 |
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| | Sorry, jgrab, for my not really correct english expreesion.
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by: Christoph |
20-Aug-2017, 17:21 |
Add to this thread |
| | This now is a real TYPO: correct: expression.
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by:Leren |
20-Aug-2017, 00:50 |
Reply to this post |
Perhaps a more interesting way to Andrew's result.
is.gd/374_Leren_1
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- Axel, another nice one.
- 31 min - 4 hours ago - '25 nice one
- Ske - 4 hours ago - 22' nice, only one setti did it.
- turbo - 8 hours ago - HiLo in 1 always leaves E1 the same, rest is easy.
- GT - 9 hours ago - Great one!
- A B Traherne - 10 hours ago - 49' nice one, CEP and two settis
- KDN - 11 hours ago - 37 min. Settis and careful elimination in row E and col 1. Very nice puzzle.
- mv - 11 hours ago - 20 min. - first I tried, whether AB1 could be 12 or 78. After that I could handle it.
- Axel - 11 hours ago - 45 min. No chains needed
- Maven - 12 hours ago - 2 hours - just logic.nice one ;)
- Gyrel - 13 hours ago - 77 min
- Kurt - 13 hours ago - 25' nice, CEP, large gap and 2 Settis
- ThomasF - 14 hours ago - 15 min - careful elimination and 2 settis
- ghw - 14 hours ago - 29 min liked it a lot, many settis
- schaaf - 14 hours ago - about 45'.Chain needed for hi/lo in column 1.
- mparmen - 14 hours ago - 16 '; mostly Setti
- Candiru - 14 hours ago - the kind of puzzle I like - careful elimination does it
- easydoesit - 15 hours ago - 28' - one chain
- witch - 15 hours ago - Two Settis after careful elimination.
- jgrab - 16 hours ago - 12:59 - with solver support for the routine work - lots of settis and careful elimination - exactly the type of puzzle i like!
- Korbinian Bär - 16 hours ago - like Jo - careful elimination
- Loser - 16 hours ago - 24 min: hi/lo in column 1 and than straight forward
- JimKnopf - 16 hours ago - 49' - exclusions, setis and Christoph's hint. Very nice puzzle
- gustlsoft - 16 hours ago - 59‘ hi/lo in AB1 and lots of setis helped me
- Gregor - 17 hours ago - 45' - needed a small chain for the hi/lo-decision in column 1. easy afterwards.
- dots - 17 hours ago - 27 minutes
- sepp - 18 hours ago - 17' - careful elimination mostly
- Jo - 18 hours ago - lucky guess in D12 (hi/lo) solves.
- Christoph - 18 hours ago - 36' - made a decision in G1, nice one
- hrw - 19 hours ago
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