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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.
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Discussion...
Latest threads are now at the top.
In addition, 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:Julie C.

 
I absolutely love str8ts and do them everyday. I often get stuck on the weekly extreme despite studying and trying to apply the strategies. Is there anyone out there who would be willing to look at my puzzle and teach me the next logical step? Thanks!

 

by: Klaus

 
 
Hi Julie C.,

here is the standard reference for Str8ts-strategies:

de.slideshare.net/SlowThinker/str8ts-basic-and-advanced-strategies

this should help

 

by: robo

Add to this thread
 
If you then still are stuck, post your problem here (how many cells are already solved, what were the last steps you have taken) and you will usually get help.

by:morl

 
is.gd/morl578_1

 

by: jgrab

 
 
Thanks! A bit tricky towards the end. (Used a 2x3 UR)

 

by: Cosmanita

 
 
Right, First very fast, afterwards slower. But solvable die me with short chains, first starting in row I laster in column 8.

 

by: morl

 
 
SPOILER

Don't read this if you want to find the solution yourselves.

Setti on 2 and 3 solves via row G.

 

by: dennis

Add to this thread
 
needed a gamble in the end. (at 21 unsolved cells)

by:Leren

 


is.gd/Leren_578_BX2

 

by: witch

 
 
one chain - very nice one - thnx

 

by: Butcher

 
 
Hard. needed chain.

 

by: Toni

Add to this thread
 
Very nice, once again. I agree with witch and Butcher that it is hard, but it can still be solved without chains and SIs - just BX and str8ts standard strategies are sufficient. Thanks, Leren, not only for this puzzle, but for all the extra fun. Personally, I only needed a chain in the X puzzle which seemed to be the hardest one for me.

by:Leren

 


is.gd/Leren_578_BX1

 

by: Butcher

 
 
Another nice one. Chainless. Thanks

 

by: dennis

 
 
33min.very enjoyable. no chain.

 

by: kmr

Add to this thread
 
Perfect challenge, thank you for all the puzzles.

by:Leren

 


is.gd/Leren_578_B2

 

by: Butcher

 
 
needed a cain to decide on hi/lo in col 4, after that i could solve it

 

by: Augenweide

Add to this thread
 
A4: only one candidate makes the puzzle unique

I love UR, thanks to Leren!

by:Leren

 


is.gd/Leren_578_B1

 

by: Butcher

 
 
Nice one, thank you. Not too hard. I like the "B" - ones.

 

by: witch

 
 
very nice

 

by: kmr

 
 
Like Butcher, nice and not too hard, lots of fun.

 

by: dennis

Add to this thread
 
21m, loved it. just the right difficulty.

by:Leren

 


is.gd/Leren_578_X

 

by: AndreasM

 
 
Thank you for this fine puzzle. The level of difficulty is just right to enjoy it.

 

by: Toni

Add to this thread
 
puh, for me a bit harder than the latest x puzzles in the weeks before. Lots of nice implications, though, but I needed quite some SIs and even a chain. Maybe I just didn't see something important ...

by:Leren

 

Reserved for discussion of Andrew's puzzle # 578.

 

by: hp

 
 
Read the comments ,little bit astonished about how easy the weekly seems.
Not for me. Stuck after 11 solved cells (application of bca 6,7 and fishes in 3 and 6, some pairs and singles)
High low col 7 not clear for me.
What have i overlooked?

 

by: jgrab

 
 
Maybe the large gap on row C from C7 after CE on col 7 helps?

 

by: hp

 
 
Thanks, indeed easy, i must have been blind

 

by: Andrejs

Add to this thread
 
Yes, a large gap idea is helpful here. The numbers 1 and 8 cannot be in compartment C3...9 at the same time.



Article created on 27-June-2010.
This page was last modified on 16-March-2020.
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  • 1 hr, only of my own. 1st attempt some days ago failed (BC 7 wrong). Thank you Andrew for this tricky one!
       - barbara - 3 hours ago
  • 20', just wings
       - optimator - 12 hours ago
  • 28 min
       - humptidumpti - 1 day ago
  • 45 min…. Logic and settis
       - Menke - 1 day ago
  • 32 min ... at 2nd attempt.Not easy for me.
       - Volker - 1 day ago
  • stuck Sunday, but done now in 15'. A bit of everything, nice
       - Marc - 1 day ago
  • 1h07‘ - but completely of my own, and thus proud!
       - Spinner - 1 day ago
  • 15 min. - no settis, just some x-wings
       - tbr - 2 days ago
  • 25 min - high/low decision in column 7 and pure logic
       - relijo - 2 days ago
  • 35 min - cool one with basic tools
       - Puszek - 3 days ago
  • 22 min on 3rd try.
       - GiddyG - 3 days ago
  • 20 min - high/low decision in column 7 did it.
       - Stef - 3 days ago
  • 24' - nice to play
       - Coco - 3 days ago
  • 13' very joyful one - clicking through qhen I was highly concentrated
       - Ske - 3 days ago
  • 35 min, solvable with setties and elimination
       - Boerny - 4 days ago
  • No candidates on 2nd try
       - Greg - 4 days ago
  • 30 min.' with standard tools on first try
       - jorB - 4 days ago
  • 15'; row D contains no 6 was my key
       - sleepy - 4 days ago
  • 17' - not too challenging with a lot of settis and logic
       - earnie - 4 days ago
  • 2h
       - Julioflor - 4 days ago
  • 31', lots of x-wings and settis
       - puzzled - 4 days ago
  • settis, wings, elimination
       - GC - 4 days ago
  • 15' - X-wings and Settis
       - guilhas_ms - 5 days ago
  • 26' - a good one for the standard tools
       - COM - 5 days ago
  • 36' - Settis & x-wings
       - selecti - 5 days ago
  • 39 minutes, but quite nice
       - pefferlass - 5 days ago
  • 19 min
       - Alex - 5 days ago
  • 26', very nice, once one finds the singles and -x-wings....
       - un - 5 days ago
  • 2. Versuch
       - Sabine - 5 days ago
  • 26 min. - indeed only some settis
       - tbr - 5 days ago