Chess puzzle (Checkmate)
Moves: 1. d4 d5 2. Nf3 Nf6 3. c4 e6 4. Nc3 Bb4 5. Qc2 dxc4 6. a3 Bxc3+ 7. Qxc3 b5 8.
Bg5 h6 9. Bh4 g5 10. Bg3 Ne4 11. Qc2 Bb7 12. Be5 f6 13. Bg3 h5 14. h4 g4 15.
Nd2 Nxg3 16. Qg6+ Kf8 17. fxg3 Qxd4 18. O-O-O Nc6 19. Ne4 Ne7 20. Rxd4 Nxg6 21.
Nxf6 Ke7 22. Ne4 c5 23. Nxc5 Bd5 24. e4 Bc6 25. Be2 Rad8 26. Rhd1 Rxd4 27. Rxd4
Rf8 28. a4 a6 29. Nxa6 Rf2 30. Kd2 Rxg2 31. Nb8 Be8 32. a5 Ne5 33. a6 Nc6 34.
Nxc6+ Bxc6 35. a7 e5 36. Rd5 Rg1 37. Rxe5+ Kd7 38. Rxb5 Ra1 39. Rxh5 Bxe4 40.
Bxc4 Kd6 41. Rh6+ Kc5 42. Be6 Rxa7 43. Bxg4 Rg7 44. Rh5+ Kd4 45. Rg5 Rb7 46.
Kc1 Rb3 47. Be6 Re3 48. h5 Kd3 49. b4 Kc3 50. Kd1 Bf3+ 51. Kc1 *
Position (FEN): 8/8/4B3/6RP/1P6/2k1rbP1/8/2K5 b - - 4 51
Black to move.
Themes:  Endgame Mate in 1 
Puzzle rating: 610
Best move: Re1#