Chess puzzle (Checkmate)
Moves: 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5 6. Nb3 Bb4 7. f3 d5 8. a3
Bxc3+ 9. bxc3 O-O 10. exd5 Qxd5 11. Qxd5 Nxd5 12. Bb2 Bf5 13. O-O-O Ne3 14. g4
Nxd1 15. Kxd1 Bg6 16. h4 h6 17. h5 Bh7 18. g5 hxg5 19. h6 Rad8+ 20. Kc1 Rd6 21.
hxg7 Kxg7 22. Nc5 Rfd8 23. Bd3 Bxd3 24. cxd3 R8d7 25. Nxd7 Rxd7 26. Kc2 f6 27.
Bc1 Rc7 28. Kb2 a5 29. Rg1 a4 30. f4 exf4 31. Bxf4 Rd7 32. d4 Kf7 33. Be3 Re7
34. Bd2 Re2 35. Kc2 Na5 36. Kd3 Rh2 37. c4 Rh3+ 38. Ke4 Rxa3 39. Bxa5 Rh3 40.
Ra1 a3 41. Bb4 Ke6 42. Rxa3 *
Position (FEN): 8/1p6/4kp2/6p1/1BPPK3/R6r/8/8 b - - 0 42
Black to move.
Themes:  Endgame Mate in 1 
Puzzle rating: 1450
Best move: f5#