Chess puzzle (Checkmate)
Moves: 1. e4 c6 2. Nf3 d5 3. exd5 cxd5 4. d4 Nf6 5. Be2 Bg4 6. h3 Bh5 7. O-O Nc6 8. c3
e6 9. Bg5 h6 10. Bh4 Bd6 11. Nbd2 O-O 12. Qb3 b6 13. Bb5 Rc8 14. Bg3 Na5 15.
Qc2 Bg6 16. Qd1 Bxg3 17. fxg3 Qd6 18. Ne5 Nb7 19. Ba6 Rc7 20. Ndf3 Nd8 21. Bd3
Bxd3 22. Qxd3 Nc6 23. Rae1 Nd7 24. Nxd7 Rxd7 25. Ne5 Nxe5 26. Rxe5 f6 27. Re2
e5 28. dxe5 fxe5 29. Rfe1 Re8 30. Qe3 Rde7 31. Kh2 Qc5 32. Qd3 b5 33. Rd1 Rd8
34. Qf5 Rde8 35. Red2 Rd8 36. a3 a5 37. Qf3 e4 38. Qf5 Red7 39. Qe6+ Kf8 40.
Rd4 Rd6 *
Position (FEN): 3r1k2/6p1/3rQ2p/ppqp4/3Rp3/P1P3PP/1P4PK/3R4 w - - 6 41
White to move.
Themes:  Endgame Mate in 1 
Puzzle rating: 1439
Best move: Rf1#