Chess puzzle (Checkmate)
Opening: Four_Knights_Game, Four_Knights_Game_Spanish_Variation
Moves: 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. Nc3 d6 5. d4 Bd7 6. d5 Nd4 7. Bxd7+ Qxd7 8.
Nxd4 exd4 9. Qxd4 Be7 10. O-O h6 11. Re1 O-O 12. e5 dxe5 13. Rxe5 Ng4 14. Rxe7
Qxe7 15. Qxg4 *
Position (FEN): r4rk1/ppp1qpp1/7p/3P4/6Q1/2N5/PPP2PPP/R1B3K1 b - - 0 15
Black to move.
Themes:  Middlegame Mate in 1 
Puzzle rating: 848
Best move: Qe1#