Chess puzzle (Checkmate)
Moves: 1. d3 d5 2. c3 e5 3. Nd2 Nc6 4. Nb3 Nf6 5. Qc2 Be6 6. f3 Bd6 7. Bg5 O-O 8.
O-O-O h6 9. Bh4 d4 10. c4 Rc8 11. Kb1 a6 12. g4 b5 13. c5 Be7 14. Nc1 a5 15.
Bg3 b4 16. Qd2 a4 17. h4 Bxc5 18. g5 Nd5 19. gxh6 Ne3 20. Re1 g6 21. h5 b3 22.
a3 Qe7 23. hxg6 fxg6 24. Bh3 Bxh3 25. Nxh3 Kh7 26. Nf2 Nc2 27. Reg1 Bxa3 28.
Ne4 Bb4 29. Qd1 a3 30. Bh4 a2+ 31. Nxa2 bxa2+ 32. Kxa2 Ra8+ 33. Kb1 Na3+ 34.
Kc1 Qf7 35. Ng5+ Kh8 36. Nxf7+ Rxf7 37. bxa3 Bxa3+ 38. Kb1 Rff8 39. Qf1 Rfb8+
40. Kc2 Rb2+ 41. Kd1 Bb4 42. Bf6+ Kh7 43. Bg5 Ra1+ 44. Bc1 Rd2+ 45. Ke1 Rxc1+
46. Kf2 Rxf1+ 47. Rxf1 Ne7 48. Rc1 c5 49. Rhg1 Nf5 50. Rg5 Kxh6 51. Rgg1 g5 52.
Rh1+ Kg6 53. Rh8 Nh4 54. Rg8+ Kf5 55. Rh1 Ng6 56. Rh6 Nf4 *
Position (FEN): 6R1/8/7R/2p1pkp1/1b1p1n2/3P1P2/3rPK2/8 w - - 10 57
White to move.
Themes:  Endgame Mate in 1 
Puzzle rating: 814
Best move: Rf8#