Chess puzzle (Checkmate)
Opening: Englund_Gambit_Complex, Englund_Gambit_Complex_Hartlaub-Charlick_Gambit
Moves: 1. d4 e5 2. dxe5 d6 3. exd6 Nc6 4. dxc7 Qxc7 5. e4 Be6 6. Nc3 Rd8 7. Bd3 Nf6 8.
Nf3 Bb4 9. O-O Ng4 10. h3 h5 11. Qe2 Nd4 12. Bb5+ Kf8 13. Nxd4 *
Position (FEN): 3r1k1r/ppq2pp1/4b3/1B5p/1b1NP1n1/2N4P/PPP1QPP1/R1B2RK1 b - - 0 13
Black to move.
Themes:  Middlegame Mate in 1 
Puzzle rating: 872
Best move: Qh2#