Chess puzzle (Checkmate)
Moves: 1. d4 Nf6 2. c4 e6 3. Nc3 d5 4. e3 Bb4 5. a3 Ba5 6. b4 O-O 7. bxa5 c6 8. Bd2
Nbd7 9. Bd3 dxc4 10. Bxc4 Qxa5 11. Ne4 Qf5 12. Nxf6+ Nxf6 13. Nf3 b5 14. Ba2
Ne4 15. Bb1 Qg4 16. O-O f5 17. h3 Qg6 18. Ne5 Qe8 19. Bb4 Rf6 20. Bxe4 fxe4 21.
Ng4 Rg6 22. Qc2 Bb7 23. Qxe4 Rb8 24. Qd3 c5 25. Bxc5 h5 26. Ne5 Rxg2+ 27. Kh1
Rxf2+ 28. Kg1 Rg2+ 29. Kh1 Rd2+ 30. Kg1 Rxd3 31. Rf8+ Qxf8 32. Bxf8 Kxf8 33.
Nd7+ Ke7 34. Nxb8 Rxe3 35. Rc1 Kd6 36. Rf1 Rxh3 37. Rf7 Rg3+ 38. Kh2 Rg2+ 39.
Kh3 Bd5 *
Position (FEN): 1N6/p4Rp1/3kp3/1p1b3p/3P4/P6K/6r1/8 w - - 6 40
White to move.
Themes:  Endgame Mate in 1 
Puzzle rating: 607
Best move: Rd7#