Chess puzzle (Checkmate)
Moves: 1. d4 Nf6 2. Nf3 d5 3. g3 Bf5 4. Bg2 e6 5. O-O Be7 6. b3 O-O 7. Bb2 c6 8. Nbd2
Nbd7 9. c4 Rc8 10. Rc1 Qa5 11. a3 b5 12. b4 Qb6 13. c5 Qd8 14. Qb3 Ne4 15. Nxe4
Bxe4 16. Rfd1 Nf6 17. Nd2 Bxg2 18. Kxg2 Ng4 19. e4 Bg5 20. e5 f5 21. exf6 Nxf6
22. Rc2 Ng4 23. Nf1 Rf7 24. Ne3 Bxe3 25. fxe3 Qd7 26. Rf1 Rcf8 27. Rxf7 Qxf7
28. Qd3 Nxe3+ 29. Qxe3 *
Position (FEN): 5rk1/p4qpp/2p1p3/1pPp4/1P1P4/P3Q1P1/1BR3KP/8 b - - 0 29
Black to move.
Themes:  Endgame Mate in 1 
Puzzle rating: 903
Best move: Qf1#