Chess puzzle (Checkmate)
Moves: 1. d4 d5 2. Nf3 c5 3. e3 cxd4 4. exd4 Nf6 5. Be2 Nc6 6. c4 Bg4 7. cxd5 Nxd5 8.
Nc3 e6 9. O-O Nf6 10. Be3 Be7 11. h3 Bxf3 12. Bxf3 O-O 13. Qb3 Qb6 14. Qxb6
axb6 15. a3 Na5 16. d5 Nxd5 17. Nxd5 exd5 18. Bxd5 Rfd8 19. Bf3 Bf6 20. Bxb6
Rd6 21. Bxa5 Rxa5 22. Rad1 Rxd1 23. Rxd1 g6 24. Rd2 b6 25. Rc2 Rb5 26. b4 Kg7
27. Bc6 Re5 28. b5 Re1+ 29. Kh2 Be5+ 30. g3 h5 31. Ra2 h4 32. Kg2 hxg3 33. fxg3
Bd4 34. Kf3 Re3+ 35. Kf4 Kf6 36. h4 Re1 37. a4 Rf1+ 38. Kg4 Re1 39. a5 bxa5 40.
Rxa5 Rc1 41. Ra6 Kg7 42. Bd7 f5+ 43. Kg5 *
Position (FEN): 8/3B2k1/R5p1/1P3pK1/3b3P/6P1/8/2r5 b - - 1 43
Black to move.
Themes:  Endgame Mate in 1 
Puzzle rating: 954
Best move: Be3#