Chess puzzle (Checkmate)
Moves: 1. d4 Nf6 2. Nf3 g6 3. Nc3 Bg7 4. Bf4 O-O 5. e3 d6 6. Bd3 Bg4 7. h3 Bxf3 8.
Qxf3 c6 9. O-O-O a5 10. g4 a4 11. g5 Nd5 12. Nxd5 cxd5 13. Qxd5 Nc6 14. h4 a3
15. b3 Qc7 16. h5 Nb4 17. Qc4 Nxa2+ 18. Kb1 Nc3+ 19. Ka1 Qxc4 20. Bxc4 Nxd1 21.
Rxd1 e5 22. Bg3 gxh5 23. Ka2 Rfe8 24. dxe5 Bxe5 25. Bxe5 dxe5 26. Rd7 Rf8 27.
Rxb7 Kg7 28. Rb6 Ra7 29. Rf6 Rd8 30. Bd3 Re8 31. Bf5 Rd8 32. Rh6 Rd2 33. Rxh7+
Kf8 34. f4 exf4 35. exf4 Rf2 36. Rxh5 Rxf4 37. Bd3 Rg4 38. c4 Rg2+ 39. Ka1 a2
40. Rh1 Rxg5 41. Rf1 Kg7 42. b4 Rg3 43. Bc2 Rc3 44. Rg1+ Kf6 45. Rf1+ Ke5 46.
Re1+ Kd4 *
Position (FEN): 8/r4p2/8/8/1PPk4/2r5/p1B5/K3R3 w - - 9 47
White to move.
Themes:  Endgame Mate in 1 
Puzzle rating: 696
Best move: Re4#