Chess puzzle (Checkmate)
Moves: 1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Bd2 a5 5. e3 b6 6. Bd3 Bb7 7. O-O O-O 8. Nc3
d6 9. Re1 Nbd7 10. e4 e5 11. d5 h6 12. b3 Bxc3 13. Bxc3 Nh7 14. a3 Bc8 15. b4
Nb8 16. h3 f5 17. exf5 Bxf5 18. Bxf5 Rxf5 19. Qd3 Qf6 20. Nd2 Ng5 21. f3 Nd7
22. Rab1 Rf8 23. Rf1 Qg6 24. Kh2 Qf7 25. bxa5 Nc5 26. Qe2 bxa5 27. Bxa5 Rf4 28.
Bb4 Nd7 29. a4 Rh4 30. Qf2 Qf4+ 31. Qg3 Qd4 32. Nb3 Qxc4 33. Na5 Qd4 34. Nc6
Qc4 35. Rbc1 Qf4 36. Qxf4 Rhxf4 37. Ba5 Ra8 38. Bxc7 Raxa4 39. Bxd6 Ra2 40. Kh1
Rh4 41. Nxe5 Nxh3 42. gxh3 Rxh3+ 43. Kg1 Rhh2 44. Ng4 *
Position (FEN): 6k1/3n2p1/3B3p/3P4/6N1/5P2/r6r/2R2RK1 b - - 3 44
Black to move.
Themes:  Middlegame Mate in 1 
Puzzle rating: 1077
Best move: Rag2#