IM Vojislav Simul - win!

I managed a win as black against IM Milanovic Vojislav!  I didn't feel like I made any amazing moves - I just started squeezing the position and he made a few slight positional miscalculations (he was playing 30 games after all).  I gained a nice space advantage right off the bat (in an opening I didn't know).  I formed a clear positional plan to play d5, dxe4, c4 and claim the d file and the knight outpost on d6.  He started a nice attack but I traded it off without losing much time or losing pawn structure integrity.

Please let me know if you see anything I missed in the analysis - this game still somewhat baffles me.

~JeeniousChess