Chess puzzle (Checkmate)
Moves: 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 O-O 6. Be2 e5 7. d5 Na6 8. a3 Nc5
9. Qc2 a5 10. O-O h6 11. h3 Nh5 12. Be3 b6 13. b4 axb4 14. axb4 Rxa1 15. Rxa1
Nd7 16. Nb5 Nf4 17. Bxf4 exf4 18. Rc1 Ne5 19. Nxe5 dxe5 20. Na7 f5 21. Nc6 Qg5
22. Bf3 Kh8 23. Kf1 fxe4 24. Bxe4 Bf5 25. Bxf5 gxf5 26. Re1 e4 27. Qb3 Ra8 28.
c5 f3 29. gxf3 Qh4 30. fxe4 fxe4 31. Qg3 Qf6 32. Rxe4 Rf8 33. Ne7 Ra8 34. Kg2
bxc5 35. bxc5 Ra1 36. d6 cxd6 37. cxd6 Rd1 38. Ng6+ Kh7 39. Nf4 Rxd6 40. Qg4
Qg5 41. Qxg5 hxg5 42. Ne6 Bf6 43. Kf3 Kg6 44. Kg4 Rd2 45. f3 *
Position (FEN): 8/8/4Nbk1/6p1/4R1K1/5P1P/3r4/8 b - - 0 45
Black to move.
Themes:  Endgame Mate in 1 
Puzzle rating: 655
Best move: Rg2#