Chess puzzle (Checkmate)
Opening: Horwitz_Defense, Horwitz_Defense_Other_variations
Moves: 1. d4 e6 2. c4 Be7 3. Nc3 f5 4. Nf3 Nf6 5. Bg5 O-O 6. e3 b6 7. Be2 Bb7 8. O-O
Qe8 9. Rc1 Qg6 10. Bxf6 Rxf6 11. a3 Nc6 12. b4 Nd8 13. Ne5 *
Position (FEN): r2n2k1/pbppb1pp/1p2prq1/4Np2/1PPP4/P1N1P3/4BPPP/2RQ1RK1 b - - 2 13
Black to move.
Themes: Kingside Attack Middlegame Mate in 1 
Puzzle rating: 415
Best move: Qxg2#