Chess puzzle (Checkmate)
Moves: 1. c4 e5 2. Nc3 Nc6 3. e4 Nf6 4. d3 Bc5 5. h3 d6 6. g3 h6 7. Bg2 Be6 8. a3 a5
9. Nge2 Qd7 10. Be3 Bxe3 11. fxe3 O-O 12. g4 Ne7 13. O-O Ng6 14. Ng3 c6 15. Nf5
Nh7 16. Qe1 b5 17. h4 f6 18. b3 Rfb8 19. a4 bxc4 20. bxc4 Rb3 21. Bf3 Rab8 22.
Bd1 Rb2 23. Rf2 Bxf5 24. gxf5 Ne7 25. Ra2 R2b4 26. Rg2 Kh8 27. Qg3 Rg8 28. Bh5
Rb3 29. Rac2 d5 30. Bf7 Nxf5 31. Qg4 Qxf7 32. exf5 dxc4 33. dxc4 Rd8 34. Rg3
Rb4 35. Ne4 h5 36. Qg6 Qxg6 37. fxg6 Nf8 38. Nc5 Rb1+ 39. Kg2 Rdd1 40. Kf3 f5
41. Rg5 Rf1+ 42. Ke2 e4 43. Rxh5+ Kg8 44. Rg5 Rbd1 45. Rd2 *
Position (FEN): 5nk1/6p1/2p3P1/p1N2pR1/P1P1p2P/4P3/3RK3/3r1r2 b - - 4 45
Black to move.
Themes:  Endgame Mate in 1 
Puzzle rating: 1518
Best move: Rde1#