Chess puzzle (Checkmate)
Opening: Queens_Pawn_Game, Queens_Pawn_Game_Zukertort_Variation
Moves: 1. d4 d5 2. Nf3 e6 3. e3 Bd6 4. a3 Nf6 5. b4 Ne4 6. c4 c6 7. Bb2 O-O 8. Nbd2 f5
9. Be2 Qe8 10. Rc1 Qg6 11. O-O Qh6 12. Nxe4 fxe4 13. Ne5 Nd7 14. c5 Bxe5 15.
dxe5 Rf5 16. Bg4 Rg5 17. Bxe6+ Qxe6 18. f4 exf3 19. Qxf3 Nxe5 *
Position (FEN): r1b3k1/pp4pp/2p1q3/2Ppn1r1/1P6/P3PQ2/1B4PP/2R2RK1 w - - 0 20
White to move.
Themes:  Middlegame Mate in 1 
Puzzle rating: 1075
Best move: Qf8#