Chess puzzle (Checkmate)
Moves: 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nxc6 bxc6 6. Nc3 e5 7. f3 d5 8.
exd5 cxd5 9. Bg5 Bb4 10. Be2 d4 11. Bxf6 Qxf6 12. O-O dxc3 13. bxc3 Bxc3 14.
Rb1 O-O 15. Qd3 Bd4+ 16. Kh1 Bf5 17. Qd1 Rac8 18. Bd3 Bxd3 19. Qxd3 Rc3 20. Qd2
Rfc8 21. Rbc1 Qf5 22. Rfe1 Rxc2 23. Rxc2 Qxc2 24. Qxc2 Rxc2 25. Rb1 g6 26. h3
Bf2 27. a4 Bg3 28. Kg1 f6 29. a5 Kf7 30. Kf1 Ke6 31. Rb7 Rf2+ 32. Kg1 Rd2 33.
Kf1 Rd1+ 34. Ke2 Re1+ 35. Kd3 Rd1+ 36. Ke2 Rd7 37. Rb8 h6 38. Re8+ Re7 39. Rg8
Kf5 40. Ke3 Bf4+ 41. Kd3 Rd7+ 42. Kc4 Rd4+ 43. Kb5 Rd7 44. Re8 Be3 45. Kc6 Rd1
46. h4 Ra1 47. Rb8 Rxa5 48. Rb4 Ra6+ 49. Kd7 g5 50. h5 Rb6 *
Position (FEN): 8/p2K4/1r3p1p/4pkpP/1R6/4bP2/6P1/8 w - - 1 51
White to move.
Themes:  Endgame Mate in 1 
Puzzle rating: 1446
Best move: g4#