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#805, November 23 - November 29:
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.
Share and Enjoy
Puzzles 1 to 250 are available as Puzzle Packs, just $5.49.

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: hoke

 26-Nov-2025, 14:01
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is.gd/hoke805jigsaw
 

by: aw

 28-Nov-2025, 09:26
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 Nice - not too difficult :-)
 

by: hepa

 28-Nov-2025, 12:28
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 I caught some fishes swimming in the puzzle
 

by: Auwei

 28-Nov-2025, 13:55
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Fishy, joyful, setti, and 2 URs. Liked it much more than Black Friday! Thanks
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by: Fred

 24-Nov-2025, 15:28
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A common question: Why don't the extremes have a check button? Would be very helpful to avoid frustration
 

by: kris

 24-Nov-2025, 19:17
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 maybe because they are extreme?
 

by: Martn

 26-Nov-2025, 09:28
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Try this one out, it will give you a check button:
mastertoolworks.com/str8ts/str8ts.html
Big thank you to whoever provided that!
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by: hepa

 23-Nov-2025, 11:17
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4
 

by: kris

 23-Nov-2025, 13:35
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 very nice, used two URs
 

by: Ben

 23-Nov-2025, 18:57
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 Nice puzzle. I didn't need any UR
 

by: kris

 24-Nov-2025, 19:11
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 @Ben: you are right, I overlooked something obvious, makes it even nicer :)
 

by: Ukulelephant

 28-Nov-2025, 15:28
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 I am trying the 3rd or 4th time. I just cant see it. Can you give me a hint? I'm probably not well trained to jigsaws and blind to the obvious.
 

by: kris

 28-Nov-2025, 17:28
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@Ukulelephant: well, I dont' know where you're stuck, and it's tedious to list all the many steps, but here are the first important ones (after J6=8 and A78=23):
#1. ABC7=2345 -> HJ7=567 -> EF7=12789
#2. Cols 8 and 9 must contain 8 in the upper right and the right box -> EF7=12 -> A7=3, BC7=45 and E9=3 single
#3. B6 or C6 must be 3 -> ABC5=6789 -> BC4=1245
#4. B4 and B6 cannot be 45 (no solution for B7) -> B4=2, C4=1
#5. Hidden pair 68 on BC9
...
I hope this will help :)
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by: acs
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 The Weekly Str8ts B puzzle #197
 

by: Pete

 23-Nov-2025, 11:16
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 hm, completely black area ... difficult to solve ...
 

by: Loser

 23-Nov-2025, 13:28
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 B puzzle will come on monday (typical day)
 

by: Martinus

 24-Nov-2025, 05:55
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 B power and CE. Thanks!
 

by: Neunmalneun

 24-Nov-2025, 10:35
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 In the end a UR in rows H and J was helpful. Thanks for thie nice puzzle!
 

by: Hel

 24-Nov-2025, 11:05
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 Like Martinus, thanks!
 

by: optimator

 24-Nov-2025, 15:56
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14'
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by: acs
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 The Weekly Str8ts puzzle #805
 

by: Klaus

 23-Nov-2025, 07:18
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relaxing, one Setti
 

by: web

 23-Nov-2025, 11:36
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 die 4 in Reihe D ist interessant...
 

by: hp

 23-Nov-2025, 13:22
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 very very nice pattern
my shortest path was beside CE and VCE only Setti 5 for solving
 

by: Jan

 25-Nov-2025, 21:58
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Agreed, that is all you need.
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by: acs
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3
 The Weekly Str8ts BX puzzle #197
 

by: Martinus

 23-Nov-2025, 08:08
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 Relatively easy start into sunday. Thanks.
 

by: optimator

 23-Nov-2025, 11:19
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 easy one
 

by: EC

 23-Nov-2025, 12:24
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 one chain
 

by: ThomasF

 23-Nov-2025, 12:25
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 nice one
 

by: jgrab

 23-Nov-2025, 14:11
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Nothing complicated; nice and rather easy.
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by: acs
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 The Weekly Str8ts X puzzle #197
 

by: Martinus

 23-Nov-2025, 08:32
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 Nice level! Top left and top right corner are crucial, plus one setti
 

by: jgrab

 23-Nov-2025, 12:25
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 Very nice development; mostly CE.
 

by: optimator

 23-Nov-2025, 13:54
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 like Martinus
 

by: BP

 23-Nov-2025, 18:37
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 Smooth and enjoyable, many thanks!
 

by: aw

 24-Nov-2025, 10:04
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 Smooth indeed, but wonderful - I like this kind of "summarized setti" on the even digits: The rows tell us that exactly one of them is missing, and a friendly column tells us which of them. Really nice!
 

by: aw

 24-Nov-2025, 10:10
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Correction: "at most" instead of "exactly" - the result is the same.
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Page created on 27-June-2010.
All puzzles not marked 'guest compiler' on this site are trademarked and cannot be reproduced without permission.
Copyright Jeff Widderich and Andrew Stuart @ Syndicated Puzzles, Privacy, 2007-2024
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  • about 20'.... hi-lo choice on GHJ2 broke the puzzle for me.
    - martijn
  • about an hour, very enjoyable, only one setti needed
    - epibrator
  • Finally finished
    - Gabriele
  • 37:08 - Just logic
    - Latimer
  • 33' muddled through - setti did it.
    - ttbass
  • 37' - all logic. Thanks!
    - triemers
  • 36', one setti and lots of x-wings
    - Jan
  • 27 min im 2. Versuch
    - Rot
  • 46 min
    - Julioflor
  • 11' just clicking through
    - Ske
  • (V)CE, especially in the left mid region, X wing according to Amoena, and the setti 5 did it for me.
    - Fred
  • 1 h with BCA.
    - H.E.
  • CE - gemütlich
    - Maitre
  • 35, like last week - x-wings to the rescue!
    - notsonewbie
  • 2nd try; no sundaywalk for me
    - chris1
  • 32 min - many settis
    - Nessie
  • 23'. So easy. Maybe I overlooked something luckily.
    - Cleo
  • Beim 2. Versuch mit setti und einen x-wing geschafft. Sehr schön. Danke.
    - S. Walt
  • 35 min, with a very long chain to decide in which row there is no 5
    - Alex
  • 36 min, nice
    - meli
  • 49 min - beim zweiten Versuch
    - wjanet
  • 20 min-easy with setti and x-wing
    - effchen
  • 29 min with logic, luck and fun :) Thank you :)
    - Silke
  • below 10 min
    - Loser
  • Many small steps, D1 analyzing solves col2 hi/lo, find all 2's, no chains needed.
    - MrL
  • 24 min. in second attempt. Apart from settis, I found X-wing in upper right corner very helpful.
    - Amoena
  • took me a while..
    - 43'
  • 30 min - one guess
    - Beate
  • two chains did it in about 10 min
    - EC
  • 35' CE, wing, settis
    - ThomasF
  • 20 min Great Level forma grandma
    - Nonna
  • 39' - Some small chains
    - COM
  • 20 min on second attempt. Setti 5 and 2 indeed.
    - jgrab
  • 8:30 like an easy rider
    - fred
  • 20' standard tools
    - optimator
  • 32 min - very nice: settis and logic
    - Michael
  • 25" tricky one, setti 2 and 5
    - Bassam
  • Zweiter Anlauf, schnelle Lösung, juchhe
    - bhk
  • 34 min, logic
    - Clemeau
  • hatte lange probleme mit der 5,viele versuche,bestimmt 2 stunden
    - dersoloist
  • 45' WC
    - Hel
  • 34min; great fun, thank you very much
    - NicLeDo
  • 45' - very nice, settis, wings, logic
    - juehe
  • 41' - settis
    - Alan B Traherne
  • 13 min, entspannt - danke!
    - humpti dumpti
  • >1 hour, H/L, CE & setties at the end. Settie "2" helped
    - Volker
  • 1:12 h - not that easy for me... - look how many 5 you need
    - Susi
  • 19 min, easy
    - Torsten&Irina
  • 16 min., enjoyable mix of techniques
    - flowerwaffle
  • 0:38:23 schön, mittelscher
    - zoo-pony (Tartlau)
  • 46min, love it
    - Marit
  • nice
    - Essie
  • 16'. Quick for a change :)
    - Maven
  • 30min. - not so hard
    - gustlsoft