The Caro-Masi Defence arises after 1.e4 c6 2.d4 Nf6. ECO code: B12.

Instead of the standard 2...d5, Black develops the knight immediately. This provokes 3.e5 Nd5, entering an Alekhine\'s Defence-like structure. The position is playable for Black but somewhat unusual, as the c6-pawn limits the knight's typical retreating squares.