Chess puzzle (Advantage)
Opening: Zukertort_Opening, Zukertort_Opening_Pirc_Invitation
Moves: 1. Nf3 d6 2. c4 Bg4 3. Qb3 e5 4. Qxb7 Nd7 5. Nc3 Nc5 6. Qc6+ *
Position (FEN): r2qkbnr/p1p2ppp/2Qp4/2n1p3/2P3b1/2N2N2/PP1PPPPP/R1B1KB1R b KQkq - 4 6
Black to move.
Themes: Defensive Move Opening  
Puzzle rating: 1693
Best move: Bd7