Chess puzzle (Checkmate)
Opening: Sicilian_Defense, Sicilian_Defense_Closed
Moves: 1. e4 c5 2. Nc3 e6 3. f4 a6 4. Nf3 b5 5. d3 Bb7 6. g3 d5 7. Bg2 b4 8. exd5 bxc3
9. dxe6 Qe7 10. O-O f6 11. bxc3 Nh6 12. d4 cxd4 13. cxd4 Nc6 14. d5 Rd8 15. c4
Qc5+ 16. Kh1 Qxc4 17. Nh4 Ne7 18. d6 Rxd6 19. Qxd6 *
Position (FEN): 4kb1r/1b2n1pp/p2QPp1n/8/2q2P1N/6P1/P5BP/R1B2R1K b k - 0 19
Black to move.
Themes: Kingside Attack, Pin Middlegame Mate in 1 
Puzzle rating: 1311
Best move: Qxf1#