Chess puzzle (Checkmate)
Moves: 1. d4 d5 2. c4 dxc4 3. Nc3 Bf5 4. Nf3 Nf6 5. Bf4 Nc6 6. e3 e6 7. Bxc4 Bb4 8.
O-O Bd6 9. Ne5 Ng4 10. Nxg4 Bxf4 11. exf4 Bxg4 12. Qxg4 Qxd4 13. Qxg7 Qxg7 14.
Rad1 O-O 15. Rd7 Rac8 16. Nb5 Qxb2 17. Nxc7 Qc3 18. Nxe6 Rfe8 19. Ng5 Qxc4 20.
Nxf7 Qb4 21. Nh6+ Kf8 *
Position (FEN): 2r1rk2/pp1R3p/2n4N/8/1q3P2/8/P4PPP/5RK1 w - - 3 22
White to move.
Themes:  Middlegame Mate in 1 
Puzzle rating: 973
Best move: Rf7#