Chess puzzle (Checkmate)
Moves: 1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Nc3 b6 5. e3 c5 6. Qc2 Bb7 7. h4 Qc7 8. a3
Bxc3+ 9. bxc3 d6 10. Bd2 Nbd7 11. a4 a5 12. Be2 Ne4 13. O-O Ndf6 14. Ne1 Qc6
15. f3 Nxd2 16. Qxd2 O-O 17. Bd3 e5 18. d5 Qd7 19. Qb2 Rfe8 20. Qc2 Qe7 21. e4
Nd7 22. h5 Qg5 23. f4 Qxh5 24. Be2 Qh4 25. f5 Nf6 26. Bd3 Nh5 27. Nf3 Qf6 28.
Kf2 Nf4 29. Rh1 g6 30. Rh6 Qg7 31. Rah1 gxf5 32. Rxh7 Qxg2+ 33. Ke3 Nxd5+ 34.
cxd5 *
Position (FEN): r3r1k1/1b3p1R/1p1p4/p1pPpp2/P3P3/2PBKN2/2Q3q1/7R b - - 0 34
Black to move.
Themes:  Middlegame Mate in 1 
Puzzle rating: 1353
Best move: f4#