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I liked this puzzle. I came across hidden pairs and a triple. I solved it with a 349 wing with the pivot at r7c6. With a short chain it eliminates the 4 in r6c7.

I solved it with a 368 wing.

There's also a 167 y-wing that solves it.

Thank-you Peter and Marty. I have the code figured out now so I won't hesitate to post next time.

Thanks so much for posting it. What did I do wrong?

Thanks Marty. I have never posted code before. Thanks for the directions. This puzzle was in my newspaper on Saturday. Every Sat there is a 6 star puzzle that requires advanced techniques. Someon ...

It is less confusing if you look at the 47 pair in r4c6. Whether it is a 4 or a 7 the 3 in r4c9 is eliminated.

Usually someone else posts and I check my efforts against theirs. I'm not sure what the technique is called but in r8c6 there is a 14 pair. Whether it is a 1 or a 4, the 3 in r4c9 will be eliminated ...

I too did it with basics, including naked pairs.

I found an X-wing of 3s which did not solve it. I then saw some 349 wings which if I took them a couple of steps allowed me to eliminate the 9 and the 4 from r1c6. A bit sloppy but it worked.

Can I remove the 45 in r7c8? Is there a unique rectangle there?

Very helpful replies...thank-you Very Happy

Thank-you, that does make sense. Now when you see a lot of 58s for example, how do you know which one will be your pivot (not sure what the term is, but how would I know which 58 pair to use the logi ...

I can see the skyscraper but I don't understand the remote pair 58. I have lots of 58s but I'm not sure what to do with them. Confused

Thanks Keith, I can't believe that I didn't take out the 3 in r5c5! Thanks also for your explanation of the wing. Very Happy

I saw the 3 x-wing but still could not solve it. I see where the 279 wing is but am not sure what to do with it. Confused

Thanks to all of you for providing your solutions with explanations, I know it's a lot of work to do that, but it is helpful to all of us intermediated puzzlers. I was stuck where storm_norm did the ...

I can't solve it. If someone posts how they solved it, please give a good explanation. Thanks. Crying or Very sad

Thank-you for your explanation and the reference. Smile

Could someone explain to me how the xyz wing works? When I did the puzzle I could see that I couldn't have a 4 in r7c1, but that is just trial and error. Thanks.