Chess puzzle (Checkmate)
Moves: 1. d4 f5 2. Nh3 Nf6 3. g3 g6 4. Bg2 Bg7 5. c4 O-O 6. Nc3 d6 7. d5 Nbd7 8. O-O
Qe8 9. Rb1 e5 10. dxe6 Qxe6 11. b3 c6 12. Bf4 Nb6 13. Qxd6 Qxd6 14. Bxd6 Rd8
15. Bf4 Be6 16. Rbd1 h6 17. Na4 Nxa4 18. bxa4 Bxc4 19. Rb1 Rab8 20. Rfe1 Rbc8
21. Rxb7 Bxa2 22. Rxa7 Nd5 23. Rc1 Bb3 24. a5 Ba4 25. Bf3 Bb5 26. Bxd5+ Rxd5
27. Be3 Rdd8 28. Bb6 Re8 29. a6 Rxe2 30. Nf4 Ra2 31. Ne6 Bf6 32. Bd4 Bxd4 33.
Nxd4 Rb8 34. Rb7 Ra8 35. Nxc6 Bxa6 36. Ne7+ Kf7 37. Rbc7 Kf6 38. Re1 Bd3 39.
Nd5+ Kg5 40. h4+ Kg4 41. Nf6+ Kh3 42. Rc3 Ra1 43. Rcc1 Rxc1 44. Rxc1 g5 45.
hxg5 hxg5 46. Nh7 Kg4 47. Rd1 Be4 48. Nf6+ Kf3 49. Re1 Rh8 *
Position (FEN): 7r/8/5N2/5pp1/4b3/5kP1/5P2/4R1K1 w - - 8 50
White to move.
Themes:  Endgame Mate in 1 
Puzzle rating: 1236
Best move: Re3#