This one seems to be superfluous as there are many plausible moves. In a Caro-Kann exchange after move 3 it's a matter of taste how to continue...
http://www.chess.com/chessmentor/view_lesson?id=799
Sorry, I don't understand because that puzzle ends on move 2
This one seems to be superfluous as there are many plausible moves. In a Caro-Kann exchange after move 3 it's a matter of taste how to continue...
http://www.chess.com/chessmentor/view_lesson?id=799