Chess puzzle (Checkmate)
Opening: Queens_Pawn_Game, Queens_Pawn_Game_Other_variations
Moves: 1. d4 c6 2. Bf4 d5 3. Nf3 Nf6 4. e3 Bg4 5. c4 e6 6. cxd5 cxd5 7. Bxb8 Rxb8 8.
Qa4+ Qd7 9. Qxa7 Qc7 10. Bb5+ Nd7 11. Ne5 *
Position (FEN): 1r2kb1r/Qpqn1ppp/4p3/1B1pN3/3P2b1/4P3/PP3PPP/RN2K2R b KQk - 4 11
Black to move.
Themes:  Opening Mate in 1 
Puzzle rating: 1124
Best move: Qc1#