Let's see what AndyC has say about this. lol
A book can be made from this position , really ?
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Your first line BQ, I couldn't get it.
Yes I do have a chess set somewhere. 
I was reading this book called Australian Chess Brillincies by Kevin Casey. In the introduction he said that "19...Be6 ! ....The extraordinary (and far from obvious) point is that 20.Nxc7 is answered by ...Rxf4!! with amazing complications! i'll leave the reader to work out some of these astonishing variations themselves (annotating this move alone would require another entire book !)
Really ? could you show me some of them ?