Chess puzzle (Checkmate)
Moves: 1. d4 e6 2. c4 Bb4+ 3. Bd2 Qe7 4. e4 f5 5. e5 Bxd2+ 6. Qxd2 d6 7. f4 Nh6 8. Nf3
O-O 9. Bd3 b6 10. O-O Bb7 11. a4 a5 12. Nc3 Bxf3 13. Rxf3 dxe5 14. fxe5 Na6 15.
Re1 Nb4 16. d5 Rad8 17. Bb1 Qc5+ 18. Kh1 Qxc4 19. d6 Nf7 20. Nb5 cxd6 21. exd6
Qd5 22. Qxd5 exd5 23. Bxf5 Ng5 24. Rff1 g6 25. Bg4 Ne4 26. Be6+ Kg7 27. Bxd5
Nxd6 28. Re7+ Kh6 29. Bf3 Nf5 30. Re6 Nd4 31. Nxd4 Rxd4 32. Rxb6 Rd2 33. Rb5
Rxb2 34. Rxa5 Nd3 35. h3 Rf4 36. Ra7 Ra2 37. a5 Rfa4 38. Be4 Nf2+ 39. Rxf2 Rxf2
40. a6 Rfa2 41. Bb7 Ra1+ 42. Kh2 g5 43. Ra8 g4 44. Rg8 gxh3 45. Kxh3 R1a3+ 46.
g3 Rc3 47. Bc8 Raa3 48. Kg4 Ra4+ 49. Kh3 Raa3 50. Kh4 Ra4+ 51. g4 Raa3 *
Position (FEN): 2B3R1/7p/P6k/8/6PK/r1r5/8/8 w - - 1 52
White to move.
Themes:  Endgame Mate in 1 
Puzzle rating: 903
Best move: g5#