Chess puzzle (Checkmate)
Moves: 1. d4 g6 2. e4 Bg7 3. Nf3 d6 4. Nc3 Nf6 5. h3 O-O 6. Be3 c6 7. a4 Qa5 8. Bd3
Na6 9. O-O Nb4 10. Be2 b6 11. Nd2 Be6 12. d5 Nfxd5 13. exd5 Nxd5 14. Nxd5 Bxd5
15. c3 Be6 16. Nb3 Qd5 17. Nd4 Rac8 18. Bf3 Qc4 19. Rc1 Bd7 20. b3 Qa6 21. c4
e5 22. Nc2 Rfd8 23. Re1 Be6 24. Bg5 f6 25. Bd2 d5 26. Nb4 Qb7 27. cxd5 cxd5 28.
Rxc8 Qxc8 29. Qc1 Qxc1 30. Rxc1 Rd7 31. Nc6 e4 32. Be2 f5 33. Bb5 d4 34. Bf4 d3
35. Bc4 Bxc4 36. bxc4 d2 37. Rd1 Bc3 38. Nb8 Rd3 39. Kf1 Kf7 40. Ke2 g5 41.
Bxd2 Bxd2 42. Rxd2 Ra3 43. Rd7+ Ke6 44. Rxa7 Ra2+ 45. Ke3 Ke5 46. Rb7 *
Position (FEN): 1N6/1R5p/1p6/4kpp1/P1P1p3/4K2P/r4PP1/8 b - - 4 46
Black to move.
Themes:  Endgame Mate in 1 
Puzzle rating: 1455
Best move: f4#