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#802, November 2 - November 8:
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

 2-Nov-2025, 11:57
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3
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5
 

by: OneGuess

 2-Nov-2025, 15:54
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1
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 took me ages but step by step solved - great demanding puzzle! thanks to hepa
 

by: kris

 3-Nov-2025, 12:30
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like OneGuess
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by: acs
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1
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3
 The Weekly Str8ts X puzzle #194
 

by: hago

 3-Nov-2025, 09:56
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 Maybe E1 = the higher option helps
 

by: OneGuess

 3-Nov-2025, 13:13
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2 high/low decisions (DE1 and E89) made it work
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by: acs
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3
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3
 The Weekly Str8ts B puzzle #194
 

by: EC

 3-Nov-2025, 12:32
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 ...two chains did it...
 

by: optimator

 3-Nov-2025, 17:26
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 Another very hard one: I needed a h/l guess on AB6.
 

by: Hel

 3-Nov-2025, 18:20
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2
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 No chain needed, b-settis in box 7 and VCE did it for me.
 

by: Cosmanita

 3-Nov-2025, 21:57
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 Very nice one. As Hel I also did not used any chain, but b-settis, especially in box 7.
 

by: Ben

 4-Nov-2025, 18:15
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Looks like I'm the tie-breaker... No chain needed, losts of B-setti's did it for me
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by: acs
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2
 The Weekly Str8ts puzzle #802
 

by: hoke

 2-Nov-2025, 11:16
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 D45 low leads to a contradiction on Setti 2 after a long chain
 

by: OneGuess

 2-Nov-2025, 13:13
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 maybe too strong of a hint - its only Sunday - so dont read any further - but for those who ask for it: I had (after CE and a few short chains) an X8 on DJ45 (@biggi: this answers also your question)
 

by: Nick

 2-Nov-2025, 13:27
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1
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1
 try it with ABC3 high
 

by: Rudik

 2-Nov-2025, 16:27
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 What is X8??
 

by: OneGuess

 2-Nov-2025, 16:42
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 @ Rudik: sorry, my comments are confusing - 8 as a must in D45 and J45 eliminates 8 in EFGH45
 

by: aw

 4-Nov-2025, 15:49
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Still missing something - why is the 8 in J45 and not in J8?
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by: acs
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3
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3
 The Weekly Str8ts BX puzzle #194
 

by: Hel

 2-Nov-2025, 10:09
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 Settis and b-settis, no chain. Thanks!
 

by: optimator

 2-Nov-2025, 19:41
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 after a very long time, I'm not making progress. Tough!!
 

by: Cosmanita

2-Nov-2025, 22:46
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 Also tough for me. But I could solve it by realizing that E4 not 7/8 and that both options h/l in A89 lead to the same result in E1 and D1 and that A8 low lead to a setti problem in box 1.
 

by: kris

 3-Nov-2025, 19:23
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 I loved this puzzle, tough but doable.
The only non-standard step I needed was Cosmanita's A89=high (setti 3).
After that and setti 8, once you spot that A1 must be 3 or 6 (setti), the rest is not too difficult (box setti and CE).
 

by: pax

 4-Nov-2025, 17:42
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Nice one, medium difficulty.
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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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  • 57:58 but only with hint by Alfredo
    - Latimer
  • 30 min - pretty tough
    - jim
  • with all hints
    - chris1
  • 23 min
    - relijo
  • 22' with Alfredos hint
    - Ske
  • 50 Min.with hints!
    - Joe Reitzl
  • Hard and stony!
    - H.E.
  • Hart, danke für die Tipps! Habe davor einige Stunden am verregneten Sonntag leider ohne Erfolg verbracht
    - b*k*
  • thx Alfredo
    - easydoesit
  • Zuerst auf D8 mit high probiert. Widerspruch. Mit Hint in G und D glöst. Sehr schwer. 4h.
    - S. Walt
  • with hints just 13 min, without I don't know...
    - EC
  • @ wissen wollen:I traced assumptions to contradictions and gradually found the solution. Then I considered what clue to give.
    - Alfredo
  • 18 min im ich weiß nicht wievielten anlauf, mit allen tipps - danke!!!!
    - humpti dumpti
  • 2 h, mit ausprobieren
    - Torsten&Irina
  • 36 min - alle Hinweise gebraucht
    - Rot
  • 31 min, Alfredo's hint was very helpful
    - Alex
  • only in row c no 5 - wie findet man das heraus - raten, probieren oder gar ein genialer gedanke?
    - Wissen wollen
  • 52'49 with hints from Alfredo, Amoena and OneGuess, probably no chance without them …
    - epibrator
  • 50', with espac. Alfredos hint and the help of OneGuess and Amoena. Otherwise no chance. Danke allen!
    - barbara
  • 3:24:59 nur durch versuchen. Viel zu schwer!!!
    - zoo-pony (Tartlau)
  • With the hints of Nick and OneGuess indeed easy, under 15 Minutes
    - NicLeDo
  • thanks to Alfredo a & Amoena
    - pepita
  • 36’ with hint
    - Richard
  • 32 min and all hints needed, what a beast!
    - Silke
  • Alfredo's hint solves it
    - jürgen
  • Several attempts needed to find the right places of all 9. Hard nut this week for me.
    - Susi
  • 1 hour. Hint: only row C without 5
    - Alfredo
  • Puuuh... can't believe I made it (thanks to some lucky guesses). @easydoesit and pepita: G5=9.
    - Amoena
  • solved after 3 dead-end chains. 1 hour. The perfect pastime on a rainy day.
    - A B Traherne
  • 90' - heavy chaining via the solver, slowly killing one option after the other.
    - COM
  • 20` 6th attempt try&error with hint
    - Mex
  • Kommt die 8 auf J4 oder J8?
    - biggi
  • 250min Easy. After 4 tries and a dozen chains which not one worked I gave up. Too many cells had too many candidates for my few brain cells
    - Greg
  • is there any help? I donnot get it by myself today
    - pepita
  • You are all right! Somehow last week's puzzle showed up. Sorry about that. Working on the new one now :)
    - Maven
  • done for today, too much chaining I'm waiting for a little help
    - easydoesit
  • Someone replayed last weeks puzzle and snuck in a comment for this week.
    - gREG
  • No chance, need hint!
    - Dot
  • Maven hatte "Glück"
    - zoo-pony (Tartlau)
  • difficult, UR and X8 helped to solve (with a few chains)
    - OneGuess
  • had to use the solver to check some chains. no fun.
    - juehe
  • 1 h - i don't see the obvious point which Maven saw
    - Loser
  • Easy?? 10'?? After 10' I had two solved cells )-:
    - Ollie
  • 54 minuten, ich fand es ziemlich schwer, viele hoch-tief entscheidungen
    - dersoloist
  • 10'. Easy this week.
    - Maven