Chess puzzle (Checkmate)
Moves: 1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Nf6 5. Nxf6+ exf6 6. h3 Bf5 7. Nf3 Be7 8.
Bd3 Bxd3 9. Qxd3 Nd7 10. O-O O-O 11. c4 c5 12. d5 Ne5 13. Nxe5 fxe5 14. d6 Qxd6
15. Qc3 Bf6 16. Be3 Rac8 17. Rad1 Qe6 18. Rd5 b6 19. Rfd1 Rcd8 20. a4 Rxd5 21.
Rxd5 Qc6 22. a5 e4 23. Qa3 Rd8 24. Rxd8+ Bxd8 25. axb6 Bxb6 26. Qc3 Qd7 27. Qe5
Bc7 28. Qxe4 *
Position (FEN): 6k1/p1bq1ppp/8/2p5/2P1Q3/4B2P/1P3PP1/6K1 b - - 0 28
Black to move.
Themes:  Endgame Mate in 1 
Puzzle rating: 541
Best move: Qd1#