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#831, May 24 - May 30:
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).
Oct 18th 2024
The solver can now handle Str8ts variants. Yay! The solver button on the player will now pass an appropriate parameter.
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.
All Access Supporters can load all puzzles from number 1.
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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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No full solutions please!

by: hepa

 24-May-2026, 11:55
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by: acs
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 The Weekly Str8ts puzzle #831
 

by: hp

 25-May-2026, 09:51
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very difficult for me
after basic eliminations (no 12 in DE4) and some setti i had a lonter guess: FGH9 must be high
after thtat two xwings on 2 and 7 and one swordfish on 5 leads eventually to the end.
maybe someone has a shortcut
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by: acs
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 The Weekly Str8ts BX puzzle #223
 

by: tg

 24-May-2026, 10:44
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 I needed a guess (on F4).
 

by: optimator

 24-May-2026, 12:05
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 I needed two chains to finish
 

by: Cosmanita

 24-May-2026, 22:23
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 Where did your chains start? I can not finish this one. But the start in Box 3 is very interesting.
 

by: Greg

 25-May-2026, 03:23
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 I guessed low on the bottom of 5 and that chain led to a fail. Then with high settled at the bottom of 5 I guessed high (i.e. 3 and 4) on C23 which led to the solution.
 

by: pax

 25-May-2026, 10:04
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No guesses, but hard work to find the right contradictions.
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by: acs
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 The Weekly Str8ts X puzzle #223
 

by: AndreasM

 24-May-2026, 14:58
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 Thank you for this fine puzzle. I found nothing better to start with than determining the range of the lower (left) part of the /-diagonal by exclusion. This may take some time, but is certainly doable.
 

by: tg

 24-May-2026, 19:43
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 I needed a guess (on A9). No chainfree solution found.
 

by: jgrab

 25-May-2026, 15:35
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Thanks for your advice, Andreas. The second alternative on G3 made it.
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by: acs
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 The Weekly Str8ts B puzzle #223
 

by: AndreasM

 24-May-2026, 14:56
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 Thank you for this fine puzzle. I found nothing better to start with than determining the range of the lower (left) part of the /-diagonal by exclusion. This may take some time, but is certainly doable.
 

by: AndreasM

 24-May-2026, 14:57
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 Sorry. The text above refers to the x-puzzle.
 

by: Cosmanita

25-May-2026, 07:50
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 Nice one, however, I used a chain, high in G8 resulted in issues in row 6.
 

by: Martinus

 25-May-2026, 08:30
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 No chains on this one, just b power, b settis.
 

by: Hel

 25-May-2026, 10:15
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 Like Martinus, nice.
 

by: optimator

 25-May-2026, 12:09
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Like Martinus
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Page created on 27-June-2010.
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Copyright Jeff Widderich and Andrew Stuart @ Syndicated Puzzles, Privacy, 2007-2024
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  • 27 min im 3. Versuch - Danke an hp
    - Rot
  • 1 hr, with guess
    - Maven
  • 45‘
    - A. Friend
  • 22:50. Good guess, rest was easy
    - stani
  • 70' Needed two chains, two x-wings, and some Settis. Very hard and not very satisfying.
    - ataraxia
  • Thx Alfredo - really hard nut
    - Susi
  • like H.E.
    - Jens
  • 17:38 - pure luck, with hi/lo on col 9
    - Latimer
  • 30 min. Settis beginning with 8.
    - Axel
  • About 40 min; hint: 8x8
    - Alfredo
  • 40' 2nd try with hi/lo guess in col 5
    - Cleo
  • 50 min
    - Humpti dumpti
  • Done with BCA, n/s.
    - H.E.
  • 37:30 one lucky guess
    - chris
  • Difficult, but done.
    - MrL
  • Hi/Lo decision on A9, settis and careful elimination.
    - Solver_42
  • 8 min
    - Nessi
  • 39:30 - very smooth beginning, very stony ending - happy Pentecoste!
    - Beate