I read a book about chess taktics, which had quite nice position in it. Weeks later I played the following game as white. Black had just played Nf5. I got desperate, because I couldn't see how to continue the attack. I started to think about it and I suddenly I saw the decisive move. It was the same idea that I had seen earlier in the chess book. Can you see it?

RxNf5 the tactic of removing the defender

Qe1+, but RxNf5 was my first thought as well

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1. Rxf5?? Qe1+ 2. Rf1 Qxf1#

White has no time to play h3, since the rook and the bishop f8 are en prise.

confused???

I can't see it . . . (See move list . . .)

yep! That's it. And after 2 ... Nxg7 follows 3 Nf6+

Wow - what a GREAT puzzle.  The "obvious" move (RxN) is a loss, White is constantly one bad move away from being checkmated. Even when I played it out on the board I didn't find the sequence. Excellent puzzle, michir!

 I found the position that inspired me. Black just resigned, since he couldn't protect his bishop anymore. But he could have played...