Chess puzzle (Checkmate)
Moves: 1. d4 d5 2. Bf4 Nf6 3. c3 Nc6 4. e3 Bg4 5. Qb3 e6 6. Qxb7 Na5 7. Qxc7 Qxc7 8.
Bxc7 Nc6 9. Bb5 Rc8 10. Be5 Be7 11. h3 Bf5 12. g4 Bg6 13. g5 Ne4 14. Bxg7 Rg8
15. Bf6 Bxf6 16. gxf6 Nxf6 17. Nd2 Ne4 18. Ngf3 Bh5 19. Rg1 Rxg1+ 20. Nxg1 Nxd2
21. Kxd2 Ke7 22. Bxc6 Rxc6 23. a4 Rc8 24. a5 Rg8 25. a6 Rg2 26. Kc2 Rxf2+ 27.
Kb3 Bg6 28. Ka3 Rg2 29. b4 Rg3 30. Re1 Be4 31. Ka4 Rg8 32. Ka5 Rb8 33. Rc1 Bd3
34. Nf3 Bc4 35. Ne5 Rg8 36. Nc6+ Kd6 37. Nxa7 Ra8 38. Nb5+ Kc6 39. Na3 *
Position (FEN): r7/5p1p/P1k1p3/K2p4/1PbP4/N1P1P2P/8/2R5 b - - 4 39
Black to move.
Themes:  Endgame Mate in 1 
Puzzle rating: 753
Best move: Rxa6#