Chess puzzle (Checkmate)
Moves: 1. e4 d6 2. Nf3 c6 3. g3 Qc7 4. Bg2 Bg4 5. d3 e5 6. Nbd2 Nf6 7. O-O Nbd7 8. h3
Bh5 9. g4 Nxg4 10. hxg4 Bxg4 11. c3 h5 12. Qb3 Be7 13. Nh2 Be2 14. Re1 Bxd3 15.
Re3 Ba6 16. Rf3 Bf6 17. Ndf1 Nc5 18. Qc2 O-O-O 19. Be3 Nd3 20. b4 g5 21. Bxa7
Nf4 22. a4 b6 23. b5 cxb5 24. axb5 Bxb5 25. Qb3 Bc4 26. Qxb6 Qxb6 27. Bxb6 Rd7
28. Ne3 Bb5 29. c4 g4 30. Nhxg4 hxg4 31. Nxg4 Bd8 32. Bxd8 Kxd8 33. Ra8+ Ke7
34. Rxh8 Ne2+ 35. Kf1 Bxc4 36. Ke1 Ra7 37. Ne3 Ra1+ 38. Nd1 Nd4 39. Rc3 Be2 40.
Bf3 *
Position (FEN): 7R/4kp2/3p4/4p3/3nP3/2R2B2/4bP2/r2NK3 b - - 9 40
Black to move.
Themes:  Middlegame Mate in 1 
Puzzle rating: 1471
Best move: Rxd1#