Chess puzzle (Checkmate)
Moves: 1. d4 e6 2. c4 f5 3. Nc3 Nf6 4. Bg5 Bb4 5. Qc2 O-O 6. O-O-O h6 7. Bh4 Bxc3 8.
bxc3 g5 9. Bg3 f4 10. Qg6+ Kh8 11. h4 fxg3 12. hxg5 Ng8 13. e3 Qe7 14. Nf3 Qf7
15. Ne5 Qxg6 16. Nxg6+ Kg7 17. Nxf8 Kxf8 18. gxh6 Nxh6 19. Rxh6 Kg7 20. Rh3
gxf2 21. Rg3+ Kf6 22. Rf3+ Ke7 23. Rxf2 Nc6 24. g4 d6 25. Bd3 Bd7 26. g5 Rg8
27. Rg1 e5 28. g6 Rg7 29. Be4 Nd8 30. dxe5 dxe5 31. Rg5 Kd6 32. c5+ Kxc5 33.
Rxe5+ Kc4 34. Bd5+ Kxc3 35. Be4 Nc6 36. Rc5+ Kb4 37. Rcc2 Ne5 38. Rxc7 b6 39.
Rxa7 Rg8 40. Rc7 Ba4 41. Rb2+ Ka3 42. g7 Rd8 43. g8=Q *
Position (FEN): 3r2Q1/2R5/1p6/4n3/b3B3/k3P3/PR6/2K5 b - - 0 43
Black to move.
Themes:  Middlegame Mate in 1 
Puzzle rating: 1310
Best move: Rd1#