Chess puzzle (Checkmate)
Moves: 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 Be7 5. cxd5 exd5 6. Bf4 Nh5 7. Bg3 Nxg3 8.
hxg3 O-O 9. Qc2 h6 10. e3 c6 11. Bd3 Be6 12. Ne5 b5 13. f4 b4 14. Na4 Bd6 15.
Nc5 Bxe5 16. fxe5 Qg5 17. Qf2 Nd7 18. Nxd7 Bxd7 19. Qf4 Qe7 20. Qh4 Rae8 21.
Qxe7 Rxe7 22. Kd2 c5 23. Be2 c4 24. Bf3 Bc6 25. a3 b3 26. Rh5 f6 27. exf6 Rxf6
28. Re1 g5 29. Reh1 Kg7 30. Re1 a5 31. Rhh1 Ref7 32. Ke2 g4 33. Bxg4 Rf2+ 34.
Kd1 Rxb2 35. Bf3 c3 36. Kc1 Rc2+ 37. Kb1 Rb2+ 38. Ka1 Bb5 39. Rc1 Bd3 40. Rxc3
*
Position (FEN): 8/5rk1/7p/p2p4/3P4/PpRbPBP1/1r4P1/K6R b - - 0 40
Black to move.
Themes:  Endgame Mate in 1 
Puzzle rating: 1069
Best move: Ra2#