Chess puzzle (Checkmate)
Opening: Elephant_Gambit, Elephant_Gambit_Paulsen_Countergambit
Moves: 1. e4 e5 2. Nf3 d5 3. exd5 e4 4. Nd4 Qxd5 5. Nb3 Qe5 6. Nc3 Bd6 7. Bc4 Nf6 8.
Qe2 O-O 9. d3 exd3 10. Bxd3 Nc6 11. O-O *
Position (FEN): r1b2rk1/ppp2ppp/2nb1n2/4q3/8/1NNB4/PPP1QPPP/R1B2RK1 b - - 2 11
Black to move.
Themes: Kingside Attack Opening Mate in 1 
Puzzle rating: 815
Best move: Qxh2#