Chess puzzle (Checkmate)
Moves: 1. d4 Nf6 2. Nc3 d5 3. Bf4 e6 4. Nb5 Na6 5. e3 c6 6. Nc3 Bb4 7. Bxa6 bxa6 8.
Ne2 a5 9. O-O Ba6 10. f3 Nh5 11. Be5 f6 12. Bg3 Nxg3 13. hxg3 O-O 14. Na4 e5
15. c3 Bd6 16. f4 exf4 17. gxf4 Re8 18. Rf3 Qb8 19. Ng3 Qb5 20. Nf5 Bf8 21. Rg3
g6 22. b3 Qe2 23. Qxe2 Bxe2 24. Kf2 Bd3 25. Nh4 Kf7 26. Nf3 Bf5 27. Rh1 h5 28.
Nd2 Bd6 29. Nc5 Rh8 30. Nf3 g5 31. fxg5 Bxg3+ 32. Kxg3 Bg4 33. gxf6 Bxf3 34.
Kxf3 Kxf6 35. e4 Rag8 36. e5+ Kf5 37. e6 h4 38. Rh3 Rg7 39. c4 Rhg8 40. Rh2
Rg3+ 41. Kf2 Rc3 42. Rxh4 dxc4 43. bxc4 Rxc4 44. e7 Rc2+ 45. Kf3 Rcxg2 46. e8=Q
*
Position (FEN): 4Q1r1/p7/2p5/p1N2k2/3P3R/5K2/P5r1/8 b - - 0 46
Black to move.
Themes:  Endgame Mate in 1 
Puzzle rating: 1375
Best move: R8g3#