Chess puzzle (Checkmate)
Opening: Benoni_Defense, Benoni_Defense_Benoni_Gambit_Accepted
Moves: 1. d4 c5 2. dxc5 e6 3. Nf3 Bxc5 4. Nc3 a6 5. e4 Nc6 6. Be2 Qc7 7. O-O Nf6 8.
Bd3 Ng4 9. h3 h5 10. Qe2 Nd4 11. Nxd4 *
Position (FEN): r1b1k2r/1pqp1pp1/p3p3/2b4p/3NP1n1/2NB3P/PPP1QPP1/R1B2RK1 b kq - 0 11
Black to move.
Themes:  Opening Mate in 1 
Puzzle rating: 739
Best move: Qh2#