Chess puzzle (Checkmate)
Moves: 1. e4 d5 2. exd5 Nf6 3. Nc3 Nxd5 4. Nxd5 Qxd5 5. d4 Nc6 6. Nf3 Bg4 7. Be2 O-O-O
8. Be3 Qa5+ 9. Qd2 Qxd2+ 10. Kxd2 Bxf3 11. Bxf3 Nxd4 12. Bxd4 Rxd4+ 13. Ke3 e5
14. Rad1 Bc5 15. Ke2 Rhd8 16. Rxd4 Rxd4 17. c3 Rd6 18. a4 a5 19. h3 g6 20. Rb1
Rb6 21. Bd5 f5 22. f3 f4 23. Kd3 Kd7 24. Ke4 Kd6 25. b3 h6 26. Rd1 Ke7 27. Kxe5
Rd6 28. Re1 Be3 29. Bxb7 c6 30. Re2 *
Position (FEN): 8/1B2k3/2pr2pp/p3K3/P4p2/1PP1bP1P/4R1P1/8 b - - 1 30
Black to move.
Themes:  Endgame Mate in 1 
Puzzle rating: 1814
Best move: Re6#