Chess puzzle (Checkmate)
Opening: Scandinavian_Defense, Scandinavian_Defense_Icelandic-Palme_Gambit
Moves: 1. e4 d5 2. exd5 Nf6 3. c4 e6 4. dxe6 Bxe6 5. Nc3 Bc5 6. Nf3 Ng4 7. d4 Bb4 8.
d5 Bf5 9. Be2 Bc5 10. O-O O-O 11. Nd4 Qh4 12. g3 *
Position (FEN): rn3rk1/ppp2ppp/8/2bP1b2/2PN2nq/2N3P1/PP2BP1P/R1BQ1RK1 b - - 0 12
Black to move.
Themes: Kingside Attack Opening Mate in 1 
Puzzle rating: 802
Best move: Qxh2#