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#723, April 28 - May 4:
The Weekly Extreme Str8ts Puzzle

by Andrew Stuart
WARNING: This is the Weekly 'Extreme' Str8ts.
Only attempt this puzzle if you have time and patience.
Using the solver will not help you. (much).
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 Puzzle Packs, just $5.49. Pack 3, 4 and 5 just released!

Discussion...
Posts you have NOT read are in normal colors, older ones are in grey.
Please email me if you experience problems or bugs. Cheers, Andrew Stuart


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by: hone

 29-Apr-2024, 12:25  
is.gd/hone723_DevilsCurve_B
 

by: BP

 29-Apr-2024, 15:47 Add to this thread
 
Great challenge. Looks unsolvable at first, but solves astonishingly smoothly with B setti power and VCE. Thank you, hone!

by: Klaus

 28-Apr-2024, 07:04  

G8=9 might help
 

by: kris

 28-Apr-2024, 12:09  
 
With the hint just standard tools needed – without, I see no way ... thanks, Andrew and Klaus

 

by: hp

 28-Apr-2024, 12:13 Add to this thread
 
hard work, nice pattern
after G8=9 shortest path i found:
Hidden pair Col 8, xwing 8, Setti 8,7,4

by: kst

 28-Apr-2024, 06:24  
 

by: Loser

 28-Apr-2024, 18:05  
 
Thanks for the set :)

 

by: Cosmanita

 28-Apr-2024, 18:09  
 
Great one, challenging, but doable without chains. My steps: can C9 be high? Setti 3 check in Box 7, can box 1 can G6 bei 1, can G9=9 and can be C9=1?

 

by: Setti

 28-Apr-2024, 20:07  
 
This was this weeks easiest. Thanks for all puzzles.

 

by: optimator

 28-Apr-2024, 20:59  
 
I don't agree with you, Setti (BX was very easy); I give up on this one after an hour or 2.

 

by: Martinus

 28-Apr-2024, 21:04  
 
Very nice. The key was a combined setti, but then still needs good looks on wings and b power. Thanks, kst!

 

by: BP

 29-Apr-2024, 10:52  
 
A beautiful puzzle, I liked the challenge very much. Not easy but solvable with standard tools. Many thanks, kst!

@optimator: I case you want to give this beauty another try here are my main steps:

CE in Box 1: A13=24, B1=15

7 not in BCD9 => 7 in FGHJ9 => G9=789

Setti 3: 3 in G,H,J => 3 in Boxes 7,8,9

Setti 3: 3 in Boxes 1,4,7 => 3 in col 1 => 3 in HJ1

CE in Box 7: 3 in HJ1, J123 => J1=3

CE in Box 4: E1=7

HP 23 in Box 4

CE in Box 6 and col 8: 1 not in col 8; 4 in DEF8; 3 in DEF8; NQ 2345 in Box 6; E7=1; ...

NQ 56789 in Box 9 => HJ8=56

HP 23 in Box 9

NT 23 in H

 

by: kmr

 29-Apr-2024, 18:45  
 
Another great puzzle, thanks, kst.

 

by: pets

 30-Apr-2024, 12:13 Add to this thread
 
Very elegant & excellent level of difficulty - thank you, kst!

by: kst

 28-Apr-2024, 06:23  
 

by: kmr

 28-Apr-2024, 08:20  
 
Pure fun, nice and relaxing. Thanks!

 

by: optimator

 28-Apr-2024, 11:10  
 
10'

 

by: tg

 28-Apr-2024, 15:33  
 
Chainfree. Not too easy for me. Fun. - Thanks!

 

by: BP

 30-Apr-2024, 10:00 Add to this thread
 
Quick and relaxing.

by: kst

 28-Apr-2024, 06:22  
 

by: Jan

 29-Apr-2024, 13:28  
 
Really tough. Needed chains to decide high/low in column 9 and on the / diagonal. Still some work after that, with some fancy x-power footwork needed at the end.

 

by: Cosmanita

 29-Apr-2024, 14:31  
 
Right, really tough, but with the right chains doable. As Jan said, first h/l column 9, I used diagonals and number 6, afterwards h/l diagonal / using diagonals and G and J, In addition, I tested 3 in diagonals and 5 in D5.

 

by: BP

 29-Apr-2024, 19:59 Add to this thread
 
Like Jan and Cosmanita, needed several chains.

by: kst

 28-Apr-2024, 06:21  
 

by: Nessi

 28-Apr-2024, 07:09  
 
Needed two chains in column 2. Thank you, kst, for this challenging puzzle.

 

by: BP

 28-Apr-2024, 20:35 Add to this thread
 
A very good challenge. I used two SIs for D2 and F2. Many thanks for a good start to a new str8ts week!

Page created on 27-June-2010.
This page was last modified on 08-Jan-2023.
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  • viele versuche und nur mit der hilfe von klaus lösbar
    - dersoloist
  • 1:25 with several breaks and hints
    - EC
  • 1h+ with the hints
    - Richard
  • 1h. with hint, navigating the thorny undergrowth with two short chains.
    - A B Traherne
  • 27 min. Many attempts, had to use all hints, too tough for me.
    - juehe
  • What a hard nut. 2 hours
    - Essie
  • 19 min beim 3. Versuch (mit Tipp von Klaus)
    - humpti dumpti
  • done - but I needed the hint
    - Loser
  • 40 min, mit Klaus
    - Torsten&Irina
  • 40‘ with Klaus‘ hint. Without impossible for me. May I suggest Klaus gives his hints earlier? I usually start early :-)
    - TheDoubleOne
  • WOW - what a desaster! ;-) Taking Klaus' hint, assuming that E678 ist not very high and using H3=E4 forces setti friendship.
    - Korbinian Bär
  • 45 min - with Klaus' und hp's hints and several tries. Really no fun. Since Easter only six or seven star puzzles..
    - Beate
  • A bit too hard for me, needed all the hints and then some.
    - Miss P
  • 41' really tough one, Klaus'hint, hidden pairs in col 8 (very low) and then still al lot of careful work
    - Bassam
  • 20' easy with Klaus' hint, standard tools
    - ThomasF
  • Gave up after an hour. No fun today :-(
    - Amoena
  • 23 min. - with Klaus' hint
    - tbr
  • 45' had to start with chain on G, then many wings, swordfish, settis.
    - optimator
  • 32min - needed a couple of hints
    - COM
  • 32' quite some effort.
    - l.
  • 47 min. - very nice
    - Nessie
  • 55' with Klaus' hint
    - Hel
  • Too hard, but solvable with Klaus' hint. 3-fish on 9 helps, notice singles!
    - MrL
  • 2 hrs, solved with several chains, but no hints.
    - E.H.
  • 35' with hint. 3 was the key when I got stuck at the end. Specifically, a set of possible 34 helped prove one row could not contain a 3.
    - Maven
  • 1h, starting with G2 (thanks Susi) and F4 cannot be 2 (setti conflict), single 2s, 8 fish - exhausted
    - OneGuess
  • Hard enough, even with the hint ...
    - jgrab
  • 33 min - hard work, needed several chains
    - Nessi
  • 28 min - very nice layout, solveable without hint and in first attempt. Starting with G2
    - Susi
  • 52 min, a hard one. Needed two long chains
    - Alex