Chess puzzle (Checkmate)
Moves: 1. Nf3 d5 2. g3 Nf6 3. Bg2 e6 4. O-O Be7 5. c4 O-O 6. d4 dxc4 7. Qc2 a6 8. a4
Bd7 9. Bf4 Bc6 10. Qxc4 Nbd7 11. a5 Nd5 12. Bd2 Bb5 13. Qb3 Bxe2 14. Re1 Bb5
15. Nc3 Nxc3 16. bxc3 c5 17. c4 Bc6 18. d5 exd5 19. cxd5 Bb5 20. Bf4 Bf6 21.
Rad1 c4 22. Qc2 Nc5 23. d6 Nd3 24. Re4 Qxa5 25. Ng5 Bxg5 26. Bxg5 Ba4 27. Qa2
Qb5 28. Rb1 Bb3 29. Qd2 f6 30. Be3 Rfd8 31. Re7 Rxd6 32. Rxb7 Qe8 33. R7xb3
cxb3 34. Bxa8 Qxa8 35. Rxb3 Nf4 36. Bxf4 Rxd2 37. Bxd2 Qd5 38. Rb8+ Kf7 39. Be3
a5 40. Rb6 a4 41. Ra6 Qc4 42. Ra7+ Kg6 43. h4 Qb3 44. Bc5 Qc2 45. Bf8 Qc1+ 46.
Kg2 Qc6+ 47. Kg1 Kf5 48. Rxg7 h5 49. Rf7 Kg4 50. Bg7 f5 51. Rf6 Qc1+ 52. Kg2
Qc2 *
Position (FEN): 8/6B1/5R2/5p1p/p5kP/6P1/2q2PK1/8 w - - 4 53
White to move.
Themes:  Endgame Mate in 1 
Puzzle rating: 724
Best move: Rg6#