What are some effective strategies for gaining an advantage in the middle game?

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diaboIicaI

I've always noticed that my opening is fine and I have good development, but I usually mess up with inaccuracies and blunders in the middle game, and lose alot of my games, what are some useful strategies I can use to gain an advantage?

kingHazza
Owning the centre
CoreyDevinPerich
Make better moves than your opponent. Fool-proof.
Wolfordwv1968

Play solid and wait for the mistake that often comes.

blueemu

This is my interpretation of GM Larry Evans' guide to forming a plan in the middle-game:

GM Larry Evans' method of static analysis - Chess Forums - Chess.com

Read over my posts on the first couple of pages, and play over the sample games, paying attention to the notes to the moves.