Chess puzzle (Checkmate)
Moves: 1. c4 Nf6 2. g3 g6 3. Bg2 Bg7 4. Nc3 O-O 5. e4 d6 6. Nge2 c5 7. O-O Nc6 8. d3
a6 9. h3 Rb8 10. a4 Ne8 11. Be3 e5 12. Rb1 Nc7 13. f4 b5 14. axb5 axb5 15. f5
b4 16. Nd5 Nxd5 17. cxd5 Nd4 18. Nxd4 cxd4 19. Bd2 b3 20. Ra1 f6 21. h4 gxf5
22. exf5 Qc7 23. Rf2 Rf7 24. Be4 Qc2 25. Qxc2 bxc2 26. Bc1 Rc7 27. g4 h6 28.
Kg2 Kf7 29. Kg3 Rb3 30. Ra8 Bd7 31. g5 hxg5 32. hxg5 fxg5 33. Kg4 Bf6 34. Rh2
Bb5 35. Rh7+ Bg7 36. f6 Kxf6 37. Bxg5+ Kf7 38. Bh6 Bd7+ 39. Kh5 Be8 40. Rxg7+
Kf6+ 41. Bg6 Rxg7 *
Position (FEN): R3b3/6r1/3p1kBB/3Pp2K/3p4/1r1P4/1Pp5/8 w - - 0 42
White to move.
Themes:  Endgame Mate in 1 
Puzzle rating: 1859
Best move: Bg5#