Beware the "free pawn" that isn't free! The tactical motif seen in this game (12.Nxf7! with the idea of 12...Kxf7 13.Bg6+, winning the queen) also occurs in some traps in the Caro-Kann, for example 1.e4 c6 2.d4 d5 3.Nc3 dxe4 4.Nxe4 Nd7 5.Ng5 Ndf6 6.Bd3 Qxd4? 7.Nxf7! and wins.