Chess Opening Theory/1. e4/1...c6/2. c4/2...d5/3. exd5/3...cxd5/4. cxd5/4...Nf6/5. Qa4

Caro-Kann Accelerated Panov 5. Qa4+ · Caro-Kann Accelerated Panov Attack Here Black must respond carefully. 5...Qd7 immediately loses to 5. Bb5+. 5...Bd7 is fine, but allows White to retreat the queen to b3, and now the bishop is no longer defending the b7 pawn, and the knight has to take longer to develop. So, 5...Nd7 is the usual response. Theory Table 5... Nd7 5... Bd7 Caro-Kann