Chess puzzle (Checkmate)
Moves: 1. c4 e6 2. Nf3 d5 3. g3 Nf6 4. Bg2 c6 5. O-O Nbd7 6. b3 Bd6 7. d3 O-O 8. Bb2
e5 9. Nbd2 Re8 10. cxd5 cxd5 11. e4 d4 12. Nc4 Bc7 13. a4 Nb8 14. b4 Nc6 15. b5
Na5 16. Nfd2 Be6 17. Rc1 Nd7 18. f4 f6 19. fxe5 Nxc4 20. Nxc4 Nxe5 21. Nxe5
fxe5 22. Ba3 Bd6 23. Bxd6 Qxd6 24. Qh5 Rf8 25. Bh3 Bf7 26. Qe2 a6 27. Rf2 Bb3
28. Rcf1 Rxf2 29. Rxf2 Rf8 30. Rxf8+ Qxf8 31. Qb2 Qb4 32. Be6+ Kf8 33. Bxb3
axb5 34. axb5 Qxb5 35. Qc2 Qb4 36. Kg2 g6 37. Kh3 Kg7 38. Bd5 Qe1 39. Bxb7 h5
40. Bc8 Qf1+ 41. Qg2 Qxd3 42. Kh4 Kh6 43. g4 *
Position (FEN): 2B5/8/6pk/4p2p/3pP1PK/3q4/6QP/8 b - - 0 43
Black to move.
Themes:  Endgame Mate in 1 
Puzzle rating: 1067
Best move: g5#