Queen

 Early queen moves and queen get trapped.

King bishop pawn (f pawn) again

 See what can happen if you weaken your king side.

Win in caro kann

 Won the game even when I blundered in opening. On move 11 I should have castled instead of playing d4. I found two game in chessbase database (search here) in which black played a6 on move 9.

 

Win against berlin

 My opponent played waiting move 4...h6 which is rarely played (See 365chess.com database here). 

Ruy lopez

 Beauty of Ruy lopez

King bishop pawn again

 Another f pawn move

King bishop pawn

 This is why one should refrain from moving f pawn.