Chess puzzle (Checkmate)
Opening: Alekhine_Defense, Alekhine_Defense_Scandinavian_Variation
Moves: 1. e4 d5 2. exd5 c6 3. Nc3 Nf6 4. dxc6 e5 5. cxb7 Bxb7 6. d3 Bd6 7. Bg5 a6 8.
Nf3 Nbd7 9. Be2 O-O 10. O-O Rc8 11. a4 Bb8 12. Ne4 Qc7 13. Bxf6 Nxf6 14. Nxf6+
gxf6 15. c4 Bxf3 16. Bxf3 e4 17. Bxe4 *
Position (FEN): 1br2rk1/2q2p1p/p4p2/8/P1P1B3/3P4/1P3PPP/R2Q1RK1 b - - 0 17
Black to move.
Themes: Kingside Attack Middlegame Mate in 1 
Puzzle rating: 553
Best move: Qxh2#