Chess puzzle (Checkmate)
Opening: Alekhine_Defense, Alekhine_Defense_Two_Pawn_Attack
Moves: 1. e4 Nf6 2. e5 Nd5 3. c4 Nb6 4. a4 d6 5. a5 N6d7 6. e6 fxe6 7. d4 g6 8. Bd3
Bg7 9. h4 O-O 10. h5 Qe8 11. hxg6 hxg6 12. Bh6 Qf7 13. Nf3 e5 14. Qc2 exd4 15.
Bxg6 Qf6 16. Bh7+ Kf7 17. Ng5+ Ke8 18. Bxg7 Qxg7 19. Bg6+ Kd8 *
Position (FEN): rnbk1r2/pppnp1q1/3p2B1/P5N1/2Pp4/8/1PQ2PP1/RN2K2R w KQ - 2 20
White to move.
Themes:  Middlegame Mate in 1 
Puzzle rating: 923
Best move: Ne6#