Woody Wood Pusher: 11...e5 seems too optimistic to me and Karpov spears his Knight deep into black's territory after that.
25...Bc8 seems to be a big mistake because White's knight dominates after the exchange.
The difference between the rooks in this game is instructive. Black's are cramped and Karpov's have freedom to move and basically pick out where to open the second front!
38 Qxg4 further weakens blacks light squares for the final assault!
47 f6 is a master stroke, Karpov sacs the pawn to open a file for his rook assault!
Master Chess (32 bit 20 MHz) evaluates 50 R h5 at +4.2 so the advantage is crushing at this stage.
55...Rf8 and the black kingside seems to hold but...56 c5 crashes through on the other wing!
White's king is literally left unopposed in the centre and will eat black's whole queenside so he resigns. what a great game!