Chess puzzle (Checkmate)
Opening: Benoni_Defense, Benoni_Defense_Old_Benoni
Moves: 1. d4 c5 2. d5 d6 3. Bf4 Nf6 4. e3 g6 5. b4 Bg7 6. bxc5 Qa5+ 7. c3 Qxc5 8. Nf3
Nxd5 9. Qa4+ Bd7 10. Qb3 Nxc3 11. Qxb7 Bc6 *
Position (FEN): rn2k2r/pQ2ppbp/2bp2p1/2q5/5B2/2n1PN2/P4PPP/RN2KB1R w KQkq - 1 12
White to move.
Themes:  Opening Mate in 1 
Puzzle rating: 1196
Best move: Qc8#