Here is another puzzle of mine.  :)  It is probably a little easier than my other one.  There are other options for move 3 that will work.

first. Easy puzzle

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great!

nice puzzle

help me plz on improving

easy

yeah

good puzzle

nice puzzle

good puzzle but it's difficult to guess move #3. the application should accept all correct waiting moves. it's annoying to try all waiting moves to find the one that you've suggested.

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 I agree.  :)  I am not sure if it is possible.  There is one idea that might make the puzzle accept other solutions so I might try it that I didn't think of at the time.  Maybe if I enter multiple lines in the solution then it might take other possibilities?  I will try this and see if it works.  :)

The third move was a little annoying because virtually any move worked but nice puzzle.

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 third move varies as long as knight does not move and squares around black king are attacked.

What's the deal with those doubled pawns on the g and h file? I guess black was a patzer...

nice puzzle

That third move was tough!!!!!!!!!!!!!!

TWO THUMBS UP

Great , I almost though for 15 minutes (without moving the pieces) but could'nt get the waiting move( the 3rd one). I got it when I moved the pieces at the third attempt.

nice

Yeah, I wish that the puzzle would accept other possible variations (3rd move).  :)  When you get to the 3rd move you can click 'help' and it will play it.  That is if you understand what is coming next.  :)