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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:Ø |
21-Feb-2019, 06:27 |
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A short SI: If AB9 and A89=8/9 then A6=7, B6=8, B9=9, reducing A8 to 5/9 wich is a large gap, eliminates 5 from B8 and leaves a single 5 in B2.
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by:hoke |
20-Feb-2019, 01:54 |
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is.gd/hoke452 Although I need a chain towards the end, I like this puzzle. And maybe, the community will again find a better solution than mine.
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by: c |
20-Feb-2019, 04:10 |
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| my first apprach: an easy chain to define G3 at the beginning and a UR. I shall try again later.
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by: Harm |
20-Feb-2019, 06:12 |
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| @c: G3 can be solved via Setti.
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by: Christoph |
20-Feb-2019, 08:51 |
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| the post of 04:10 was mine. Sorry. I had a new trial: The only possibility to avoid a UR in E9 is A9= x and B9 = y. This solves this nice puzzle with two x-wings. No chain.
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by: Tati |
20-Feb-2019, 09:31 |
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| Nice puzzle, no chain needed. (UR, setti, wings.) Thanks!
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by: Ben |
20-Feb-2019, 13:59 |
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| @Christoph,
I wasn't able to solve AB9 to avoid a UR.
I could narrow E9 to 1 or 9 - I eliminated the 2 by reducing HJ9 to 123. But I am still left with two alternatives: - if AB9=89 - it would be 1 - if HJ9=12 - it would be 9
I needed a small chain to settle AB9.
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by: kmr |
20-Feb-2019, 15:07 |
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| same for me. I liked it very much but needed a chain to decide on column 9.
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by: Christoph |
21-Feb-2019, 02:13 |
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| @Ben, @kmr: my way was : H9 cannot be 4 (leaves E9=12 , which is not unique). Thus my conclusion was AB9 must be 43. But I realize now that it could also have been 89. Thus my way is based on a lucky failure. Sorry about that.
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by: pets |
21-Feb-2019, 03:55 |
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| I could clear G3 with setti 2. After that I could exclude 5 from B9, as this would lead to 5s in column 8&9 and a setti violation. But that still left me with 3/8/9 in B9 and a chain. Still curious if there is a chainless way. Thank you, hoke!
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by: hoke |
21-Feb-2019, 05:56 |
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| There are further eliminations, but they do not solve the puzzle: 2 in H56 because of Xwing 2, 3 in CD2 because of UR in AB12, 1 in B2 because of contradiction in CD2, 3 in B3 because of ywing BC23.
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by:morl |
18-Feb-2019, 08:46 |
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is.gd/morl452X
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by: hone |
18-Feb-2019, 10:14 |
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| Thanx morl. Very tricky. Two UR preventions and a small SI needed.
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by: Harm |
18-Feb-2019, 11:54 |
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| For me this was very demanding. I had to use the X-Argument until the end. I needed one UR, wings and some Settis.
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by: pax |
19-Feb-2019, 03:49 |
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| A wonderful puzzle, as the one of home.
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by: pax |
19-Feb-2019, 08:49 |
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| I don't like auto correction, but it often helps. The second time that I called Hone home...sorry for that.
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by:hone |
17-Feb-2019, 07:25 |
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is.gd/hone452_H
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by: ghw |
17-Feb-2019, 08:36 |
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| Thanks,hone!
It's how I like it.
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by: Christoph |
17-Feb-2019, 17:23 |
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| very nice, hone. lots of various wings, besides standard tools. Thanks.
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by: Harm |
18-Feb-2019, 02:11 |
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| Thank you, hone. I needed very careful work to see the tools needed to solve.
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by: pets |
18-Feb-2019, 07:38 |
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| Thank you, hone! As my wing-spotting abilities are rather poor, this was tough work for me: But finally it solved!
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by:Christoph |
17-Feb-2019, 03:06 |
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I used a UR, and at the end a SI to find B4 and to solve this nice puzzle.
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by: kolumbus |
17-Feb-2019, 07:20 |
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| yes, nice puzzle. I didn't need UR, just wings and setti, and at the end a micro chain (wrong number on A1 immediately leads to a contradiction on D1 or D2)
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by: hp |
17-Feb-2019, 07:30 |
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| very clever Kolumbus,didnt see that; stared minutes on the board without finding an easy way out for the last few cells
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by: morl |
17-Feb-2019, 13:49 |
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| A mini XY-Chain D2-A2-A7-B7 solves B2 and the puzzle. Nice.
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by: Andrejs |
19-Feb-2019, 10:32 |
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| To finish solving I notice that 9 is one of the sure digits in row A (9 must appear in A12 or A789). Thus we got an X wing with 9 on rows A and C which solve remaining cells.
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- 28 pure logic. Fun puzzle!
- puh - 17 minutes ago - 39min; settis helped
- Hildi - 1 day ago - 39min; settis helped
- Hildi - 1 day ago - took me 35' and a guess on A1 - not satisfied. did I miss "simple" things?
- joeB - 1 day ago - 34 min. - very nice one :); used a lot of setttis
- Nessie - 1 day ago - Wow. I had to play through an assumption that luckily played out.
- Fleurette - 2 days ago - It took a lot of time to solve the puzzle, but I use only basic tools.
- Andrejs - 2 days ago - couldn`t do it Sunday or yesterday, today it was so clear how to proceed. Nice puzzle
- easydoesit - 2 days ago - i was about to solve it, but this question deleted all my attempts to solute it
- alf - 3 days ago - what is a setti and what is a chain?
- alf - 3 days ago - war ganz schön schwer
- wjanet - 3 days ago - a real 5*
- bsz - 3 days ago - 21 min.
- Katjulik - 3 days ago - 1:10 - really had to struggle at the end
- selecti - 3 days ago - 44 min, lots of this and that, very nice one
- Boerny - 3 days ago - 44 min
- Kurt - 4 days ago - A few settis and then a chain.
- mparmen - 4 days ago - 47 min. Nice one.
- TM - 4 days ago - 55' Settis and some wings and fishes
- ThomasF - 4 days ago - settis and logic
- Benny_42 - 4 days ago - 35 min
- 7iron - 4 days ago - 41 min, settis
- Torsten&Irina - 4 days ago - 27 min - logic and settis - NICE
- Stef - 4 days ago - 1'24''
Interesting one, kind of wasn't clear until the end
- MoSeS - 4 days ago - CE, settis, small chain in the end. Nice!
- Martinus - 4 days ago - 33 min. Nice one with lots of settis...
- LK - 4 days ago - 1h18, while planning a journey.
- abracadabra - 4 days ago - 38' No guessing just setti, fishes and logic of course.
- confusedbynumbers - 4 days ago - 28 min, very nice one, many settis, one x-wing and at the end a chain.
- Nessi - 4 days ago - 15 min, just BCA needed
- Loser - 4 days ago
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