Chess puzzle (Checkmate)
Opening: Kings_Pawn_Game, Kings_Pawn_Game_Busch-Gass_Gambit
Moves: 1. e4 e5 2. Nf3 Bc5 3. Bc4 Bxf2+ 4. Kxf2 Nf6 5. Re1 c6 6. d4 O-O 7. dxe5 Qb6+
8. Kf1 Ng4 9. Qe2 d5 10. exd5 cxd5 11. Bxd5 Be6 12. Bxe6 fxe6 13. Nc3 *
Position (FEN): rn3rk1/pp4pp/1q2p3/4P3/6n1/2N2N2/PPP1Q1PP/R1B1RK2 b - - 1 13
Black to move.
Themes: Pin Opening Mate in 1 
Puzzle rating: 1219
Best move: Nxh2#