Chess puzzle (Checkmate)
Moves: 1. b3 Nf6 2. Bb2 g6 3. d4 Bg7 4. Nf3 d6 5. g3 O-O 6. Bg2 c5 7. O-O Nc6 8. dxc5
dxc5 9. c4 Bf5 10. Nc3 a6 11. Nh4 Be6 12. Nd5 Re8 13. Nxf6+ exf6 14. Qxd8 Raxd8
15. Bxc6 bxc6 16. Rfd1 Bg4 17. f3 Bc8 18. Kf2 Kf8 19. Ba3 f5 20. Bxc5+ Kg8 21.
Rab1 Be5 22. Ng2 g5 23. h4 h6 24. hxg5 hxg5 25. Ne3 Kg7 26. Rxd8 Rxd8 27. Rd1
Rxd1 28. Nxd1 f4 29. gxf4 Bxf4 30. Nc3 f6 31. Ne4 Be5 32. Bd6 Bd4+ 33. e3 Bb2
34. Ke2 Kg6 35. Kd2 f5 36. Nc5 Bf6 37. Nd3 Bb7 38. Be5 Be7 39. c5 Kf7 40. Kc3
Ke6 41. Bh2 Bf6+ 42. Kc4 Bc8 43. Nb4 Bb7 44. a4 a5 45. Nc2 *
Position (FEN): 8/1b6/2p1kb2/p1P2pp1/P1K5/1P2PP2/2N4B/8 b - - 1 45
Black to move.
Themes:  Endgame Mate in 1 
Puzzle rating: 707
Best move: Ba6#