Chess puzzle (Checkmate)
Opening: Scotch_Game, Scotch_Game_Classical_Variation
Moves: 1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Bc5 5. Be3 Qf6 6. c3 Nxd4 7. Bxd4 Bxd4
8. cxd4 b6 9. Be2 Bb7 10. Nc3 O-O-O 11. O-O Qg6 12. a4 f5 13. a5 fxe4 14. axb6
e3 15. bxa7 *
Position (FEN): 2kr2nr/Pbpp2pp/6q1/8/3P4/2N1p3/1P2BPPP/R2Q1RK1 b - - 0 15
Black to move.
Themes: Kingside Attack Middlegame Mate in 1 
Puzzle rating: 605
Best move: Qxg2#