Chess puzzle (Checkmate)
Moves: 1. e4 c6 2. b3 d5 3. Bb2 dxe4 4. Nc3 Nf6 5. Qe2 Bf5 6. O-O-O Nbd7 7. h3 h6 8.
g4 Bh7 9. h4 Bg6 10. Nh3 e6 11. Nf4 Bh7 12. g5 Qc7 13. Nxe6 fxe6 14. gxf6 Nxf6
15. Bg2 Qf4 16. f3 O-O-O 17. fxe4 Bb4 18. e5 Nd5 19. Nxd5 exd5 20. Rdf1 Qg3 21.
Rf7 Qg6 22. Rf5 Kb8 23. Bh3 Rhf8 24. Rhf1 Qg3 25. Rxf8 Rxf8 26. Rxf8+ Bxf8 27.
Bd7 Qg1+ 28. Qd1 Qxd1+ 29. Kxd1 Kc7 30. e6 g5 31. hxg5 hxg5 32. Be5+ Kd8 33.
Ke2 Be7 34. d3 Bf5 35. Kf3 c5 36. Kg3 c4 37. Bb2 cxd3 38. cxd3 Bxd3 39. Bc1 a6
40. Be3 Bb5 *
Position (FEN): 3k4/1p1Bb3/p3P3/1b1p2p1/8/1P2B1K1/P7/8 w - - 2 41
White to move.
Themes:  Bishop Endgame, Endgame Mate in 1 
Puzzle rating: 936
Best move: Bb6#