Hi, I have 2300+ rating on TT (Tactics Trainer) here on chess.com and I always miss the problems with hanging pieces! I think the guys missing those problems should at least loose 100 points in the rating here! I get it right on some of the complex studies/mates and I always seem to miss the fork or the hanging rook lol

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DAMN YOU TACTICS TRAINER!!!!!!!!!!!!!!!! 

If I miss the hanging pieces it's often because I'm looking for some more sophisticated tactics like a forced mate. In many problems you lose points because you take the hanging piece and there was something better. It's a matter of judgement in seconds ...