Chess puzzle (Checkmate)
Moves: 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be2 e5 7. Nb3 Be6 8. O-O
Nbd7 9. f3 h5 10. Bg5 Qc7 11. f4 b5 12. f5 Bc4 13. Nd2 Bxe2 14. Qxe2 Be7 15.
Rac1 Qd8 16. Rfd1 Nxe4 17. Ncxe4 Bxg5 18. Nxd6+ Kf8 19. N6e4 Rc8 20. Nxg5 Qxg5
21. Nf3 Qxf5 22. c3 f6 23. Nh4 Qe6 24. Ng6+ Kf7 25. Nxh8+ Rxh8 26. Qd3 Nc5 27.
Qd5 Qxd5 28. Rxd5 Rc8 29. Rcd1 Na4 30. Rd7+ Kg6 31. R1d2 Nb6 32. Ra7 Nc4 33.
Rdd7 Nxb2 34. Rxg7+ Kf5 35. Rxa6 Rxc3 36. Rf7 Nd3 37. Rfxf6+ Ke4 38. h3 Rc2 39.
Kf1 Rc1+ 40. Ke2 Rc2+ 41. Kf1 Nf4 42. Rfb6 Nxg2 43. Rxb5 Ne3+ 44. Ke1 Rc1+ 45.
Kf2 Rc2+ 46. Kg3 *
Position (FEN): 8/8/R7/1R2p2p/4k3/4n1KP/P1r5/8 b - - 6 46
Black to move.
Themes:  Endgame Mate in 1 
Puzzle rating: 1949
Best move: Nf5#