Chess puzzle (Checkmate)
Moves: 1. d4 Nf6 2. Bf4 g6 3. c4 Bg7 4. Nc3 O-O 5. Nf3 d6 6. e3 Nc6 7. h3 Nd7 8. d5
Nce5 9. Nxe5 Nxe5 10. Be2 c5 11. O-O f5 12. Qc2 h6 13. f3 g5 14. Bg3 f4 15.
exf4 gxf4 16. Bf2 Bf5 17. Qd2 Bd7 18. Rfe1 Qe8 19. Bd3 Qh5 20. Be4 Kh8 21. Ne2
Bxh3 22. Nxf4 Qg5 23. Be3 Nxc4 24. Nxh3 Qxe3+ 25. Qxe3 Nxe3 26. Rxe3 Bd4 27.
Kf2 b5 28. Ke2 Bxe3 29. Kxe3 c4 30. Nf4 Rac8 31. Rh1 Rf6 32. Nh5 Rff8 33. g4 b4
34. Kd4 c3 35. bxc3 Rxc3 36. Ng3 Rfc8 37. Rxh6+ Kg7 38. Nf5+ Kf7 39. Rh7+ Kf6
40. Rxe7 *
Position (FEN): 2r5/p3R3/3p1k2/3P1N2/1p1KB1P1/2r2P2/P7/8 b - - 0 40
Black to move.
Themes:  Endgame Mate in 1 
Puzzle rating: 1066
Best move: R8c4#