Chess puzzle (Checkmate)
Moves: 1. e4 e5 2. Nf3 Nf6 3. Bc4 Nc6 4. Ng5 d5 5. exd5 Na5 6. Bb5+ c6 7. dxc6 bxc6 8.
Be2 Bc5 9. O-O O-O 10. Nc3 Bf5 11. Bf3 h6 12. Nge4 Nxe4 13. Nxe4 Bxe4 14. Bxe4
f5 15. Bf3 e4 16. Be2 f4 17. Bg4 Qf6 18. d3 f3 19. dxe4 fxg2 20. Kxg2 Qg6 21.
Kh1 Bxf2 22. Bf5 Rxf5 23. exf5 Qxf5 24. Qd3 Qf6 25. Bd2 Rd8 26. Qe2 Rxd2 27.
Qxd2 *
Position (FEN): 6k1/p5p1/2p2q1p/n7/8/8/PPPQ1b1P/R4R1K b - - 0 27
Black to move.
Themes:  Endgame Mate in 1 
Puzzle rating: 840
Best move: Qf3#