Chess puzzle (Checkmate)
Opening: Benoni_Defense, Benoni_Defense_Benoni_Gambit_Accepted
Moves: 1. d4 c5 2. dxc5 e6 3. Nf3 Bxc5 4. e3 Nf6 5. Bc4 Nc6 6. O-O a6 7. Nc3 Qc7 8. e4
b5 9. Bd3 Bb7 10. Bg5 Ng4 11. h3 h5 12. Qd2 Nd4 13. Nxd4 *
Position (FEN): r3k2r/1bqp1pp1/p3p3/1pb3Bp/3NP1n1/2NB3P/PPPQ1PP1/R4RK1 b kq - 0 13
Black to move.
Themes:  Middlegame Mate in 1 
Puzzle rating: 1434
Best move: Qh2#