Chess puzzle (Checkmate)
Opening: Queens_Pawn_Game, Queens_Pawn_Game_Colle_System
Moves: 1. d4 d5 2. Nf3 Nf6 3. e3 c6 4. h3 e6 5. Bd3 Bd6 6. Nbd2 Nbd7 7. c3 e5 8. dxe5
Nxe5 9. Nxe5 Bxe5 10. Nf3 Bd6 11. O-O O-O 12. Re1 Ne4 13. Bxe4 dxe4 14. Nd4 Qe7
15. Qh5 g6 16. Qh6 Qe5 17. f4 exf3 18. Nxf3 Qg3 19. Ng5 *
Position (FEN): r1b2rk1/pp3p1p/2pb2pQ/6N1/8/2P1P1qP/PP4P1/R1B1R1K1 b - - 2 19
Black to move.
Themes: Hanging Piece, Kingside Attack Middlegame Mate in 1 
Puzzle rating: 1503
Best move: Qxe1#