Chess puzzle (Checkmate)
Opening: Vienna_Game, Vienna_Game_Max_Lange_Defense
Moves: 1. e4 e5 2. Nc3 Nc6 3. Bc4 b6 4. d3 Bb7 5. f4 Bc5 6. a3 Nge7 7. b4 Bd4 8. Nge2
Ng6 9. Nxd4 exd4 10. Ne2 Nh4 11. O-O Qf6 12. Bb2 O-O-O 13. b5 Na5 14. Bxd4 Qg6
15. f5 *
Position (FEN): 2kr3r/pbpp1ppp/1p4q1/nP3P2/2BBP2n/P2P4/2P1N1PP/R2Q1RK1 b - - 0 15
Black to move.
Themes: Kingside Attack Middlegame Mate in 1 
Puzzle rating: 927
Best move: Qxg2#