Chess puzzle (Checkmate)
Moves: 1. e4 c6 2. d4 d5 3. f3 e6 4. Nc3 Bb4 5. a3 Bxc3+ 6. bxc3 Nf6 7. e5 Nfd7 8. f4
c5 9. Nf3 Nc6 10. Be3 Qa5 11. Qd2 cxd4 12. cxd4 Qxd2+ 13. Bxd2 O-O 14. Bd3 f6
15. a4 b6 16. Bb5 Bb7 17. a5 fxe5 18. fxe5 a6 19. Ba4 bxa5 20. Bxa5 Rf4 21.
Bxc6 Re4+ 22. Kd2 Bxc6 23. c3 Bb5 24. Rhe1 Rf4 25. Rg1 Rb8 26. Ng5 Rf2+ 27. Ke3
Re2+ 28. Kf3 Rf8+ 29. Kg3 Re3+ 30. Kg4 Be2+ 31. Kh4 h6 32. Nxe6 g5+ 33. Nxg5
hxg5+ 34. Kxg5 Nxe5 35. dxe5 Rxe5+ 36. Kh4 Rh5+ 37. Kg3 Rg5+ 38. Kh4 Rg4+ 39.
Kh3 Rf7 40. g3 Bf3 41. Bd8 Rh7+ 42. Bh4 Be2 43. Rae1 Re4 44. Rg2 *
Position (FEN): 6k1/7r/p7/3p4/4r2B/2P3PK/4b1RP/4R3 b - - 8 44
Black to move.
Themes:  Endgame Mate in 1 
Puzzle rating: 1052
Best move: Bg4#