Chess puzzle (Checkmate)
Moves: 1. d4 e6 2. Nf3 d6 3. e3 a6 4. Bd3 b6 5. Be4 d5 6. Bd3 Nd7 7. c3 Bb7 8. Nbd2 h6
9. O-O Be7 10. Re1 g5 11. h3 h5 12. Nh2 g4 13. hxg4 hxg4 14. Qxg4 Ndf6 15. Qe2
Bd6 16. f4 Nd7 17. Ndf3 Qf6 18. g4 Qg7 19. Qg2 Ngf6 20. Kf2 O-O-O 21. Rg1 Rdg8
22. Ke2 Qh6 23. g5 Qh5 24. Kd2 Ne4+ 25. Bxe4 dxe4 26. Ne5 Bxe5 27. dxe5 Qxh2
28. Kc2 Nc5 29. Bd2 Qxg2 30. Rxg2 Rh5 31. b4 Nd3 32. a4 Rgh8 33. Rgg1 Rh2 34.
c4 R8h3 35. a5 Nxb4+ 36. Kc3 Nd3 37. axb6 cxb6 38. g6 fxg6 39. Rxg6 Rh6 40.
Rg8+ Kc7 41. Rag1 Nc5 42. Bc1 R2h3 43. Kd4 Nb3+ 44. Kc3 Nxc1 45. Rxc1 Rxe3+ 46.
Kd2 Rf3 47. Rcg1 Rxf4 48. R8g7+ Kc6 49. Re7 Rh2+ 50. Ke1 Rff2 51. Rgg7 Rb2 *
Position (FEN): 8/1b2R1R1/ppk1p3/4P3/2P1p3/8/1r5r/4K3 w - - 8 52
White to move.
Themes:  Endgame Mate in 1 
Puzzle rating: 1233
Best move: Rc7#