Chess puzzle (Checkmate)
Moves: 1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. e5 Nfd7 5. f4 c5 6. Nf3 Nc6 7. Be3 a6 8. Qd2 b5
9. dxc5 Nxc5 10. Bd3 b4 11. Ne2 Nxd3+ 12. cxd3 a5 13. O-O Ba6 14. Rfc1 Qd7 15.
Ned4 Nxd4 16. Nxd4 Be7 17. Rc2 Rc8 18. Rac1 O-O 19. Nc6 Bd8 20. a3 b3 21. Rc3
a4 22. Na7 d4 23. Nxc8 dxc3 24. Qxc3 Bxc8 25. Qxc8 Qxd3 26. Qc3 Qe4 27. Qd4 Qa8
28. Rc4 Qa5 29. Rxa4 *
Position (FEN): 3b1rk1/5ppp/4p3/q3P3/R2Q1P2/Pp2B3/1P4PP/6K1 b - - 0 29
Black to move.
Themes:  Endgame Mate in 1 
Puzzle rating: 435
Best move: Qe1#