Chess puzzle (Checkmate)
Moves: 1. d4 Nf6 2. c4 e6 3. Nc3 d5 4. Nf3 c6 5. cxd5 cxd5 6. Bf4 Nc6 7. e3 Bd6 8.
Bxd6 Qxd6 9. a3 O-O 10. Bd3 e5 11. dxe5 Nxe5 12. Nxe5 Qxe5 13. O-O Ng4 14. g3
Nh6 15. Nxd5 Bh3 16. Re1 Rad8 17. Nf4 Bg4 18. Qb3 g5 19. Ng2 Bf3 20. Be2 Bd5
21. Bc4 Bf3 22. Be2 Be4 23. Red1 Rde8 24. Ne1 g4 25. Nd3 Qh5 26. Nf4 Qe5 27.
Rac1 Nf5 28. Bxg4 Ng7 29. Qc3 Qg5 30. Bh3 h5 31. Bg2 Bf5 32. h4 Qe7 33. Bf3 Rc8
34. Qa5 b6 35. Qb4 Qf6 36. Rxc8 Rxc8 37. Rd6 Be6 38. Bd5 Bxd5 39. Rxf6 Rc1+ 40.
Kh2 *
Position (FEN): 6k1/p4pn1/1p3R2/3b3p/1Q3N1P/P3P1P1/1P3P1K/2r5 b - - 2 40
Black to move.
Themes:  Endgame Mate in 1 
Puzzle rating: 1039
Best move: Rh1#