Chess puzzle (Checkmate)
Moves: 1. e3 e5 2. d4 exd4 3. exd4 d5 4. Nf3 Bd6 5. Bd3 Ne7 6. O-O Nbc6 7. Bg5 f6 8.
Bh4 g5 9. Bg3 Be6 10. Re1 Qd7 11. Bxd6 Qxd6 12. Qe2 Bg4 13. c3 O-O-O 14. Nbd2
h5 15. b4 Rde8 16. b5 Na5 17. a4 Bd7 18. c4 dxc4 19. Nxc4 Nxc4 20. Bxc4 Nf5 21.
Qc2 g4 22. Ne5 fxe5 23. dxe5 Rxe5 24. Red1 Qc5 25. Rac1 Nd6 26. Qd3 Rf8 27. Bf7
Qb4 28. Bg6 Kb8 29. Qc2 Qa5 30. Bd3 Bf5 31. Qb2 Ree8 32. Bf1 h4 33. Rc2 Bxc2
34. Qxc2 g3 35. fxg3 hxg3 36. h3 Qb6+ 37. Kh1 Qf2 38. Qd3 Re1 39. Rxe1 Qxe1 40.
Kg1 Qf2+ 41. Kh1 Qxf1+ 42. Qxf1 *
Position (FEN): 1k3r2/ppp5/3n4/1P6/P7/6pP/6P1/5Q1K b - - 0 42
Black to move.
Themes:  Endgame Mate in 1 
Puzzle rating: 649
Best move: Rxf1#