Expert help

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Expert help

Postby Seb » Sun Oct 09, 2016 5:13 pm

I can't solve this one: .14........71.2.5.3.......7..24.57....3...2......7...45...........9...1.8...4...3
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Re: Expert help

Postby JasonLion » Mon Oct 10, 2016 2:39 am

How far do you get?
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Re: Expert help

Postby Seb » Mon Oct 10, 2016 10:29 am

Not very far.
For example I could find only one position for 6.
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Re: Expert help

Postby Seb » Mon Oct 10, 2016 11:38 am

This is where I get:
21475.3....713245.3....4127..24.5731743...2.51..273..457.3...4.4369.751.82.54..73

It's probably simple but I'm not very good with advanced techniques.
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Re: Expert help

Postby JasonLion » Mon Oct 10, 2016 1:39 pm

Unless you go to fairly advanced techniques, this is going to take several steps to solve.

Right off I see a Unique Rectangle (type 2). That should reveal a Fined X-Wing, which might lead to a Naked Pair after a bit, and so on (and so on). Some other techniques that may come up include Skyscraper and Swordfish.

There are other ways to approach this puzzle, but those are some of the intermediate techniques I might use to make progress, without going into what I consider advanced techniques. However, others classify the techniques differently, and might well take things in another order or use a technique that I would classify as advanced but they consider intermediate.
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