What opening is this?

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killerkop

So I have a typical opening I tend to go with, I need to research openings more and I'd like to find openings close to what I'm already doing. So please give me your suggestions for openings for me to research based off what I'm already doing.  I'm black in the below game. 

moopster
tonydal wrote:

White is usually considered to be making the (main) choice of the opening in that example. (btw 12 Bxd5)


I don't know, that looks like an impressive queen sac that gains a vital tempo, a tempo not willingly given up by white.  

oh wait.  

30. Rc1 was a fantastic move by white, giving up a king in order to position  the rook on an open file.  To bad that black declined it, as there seemed to be insufficient compensation.  

killerkop

Why was 30. Rc1 a fantastic move?