Very well played game!
I think Black wanted to avoid 13...Ne5 14.Be2 f5 as it weakens his kingside in general and in specific the pawn shield around his king. IMO, the well-placed knight and the harassed bishop makes up for it.
Good instructional game
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This is a good instructional game I recently finished in World League 2012 R7: Team Canada vs. Team Azerbaijan.
Black plays an unusual variation of the Benko gambit, and makes a few small, positional errors. White provokes a small king-side weakness, and then capitalizes on a bad trade to launch an assault on the castled king. Having established a strong anchor for his attack with a bishop on h6, white looks for a way to infiltrate black's position on the light squares.
Several variations and missed opportunities can be explored.
Thanks for taking a look, comments welcome.