Caro-Kann Defence · Intermediate
Opponent's mistake · 4.Ne5
1.e4 c6 2.Nf3 d5 3.d3 dxe4 4.Ne5 Qa5+ 5.Bd2 Qxe5
- c6: Prepares ...d5 to contest the centre without blocking the c8 bishop.
- d5: Attacks e4 with the support of the c6 pawn: the Caro-Kann plan.
- dxe4: Trades the central pawn and opens the queen's file.