Chess puzzle (Checkmate)
Opening: Sicilian_Defense, Sicilian_Defense_French_Variation
Moves: 1. e4 c5 2. Nf3 e6 3. Nc3 Nc6 4. Bc4 a6 5. a3 b5 6. Ba2 c4 7. d3 d5 8. exd5
exd5 9. O-O Nf6 10. dxc4 dxc4 11. Qe2+ Be7 12. Ne4 Nxe4 13. Qxe4 Bb7 14. Qg4 h5
15. Qf5 g6 16. Qf4 Nb8 17. Be3 Nd7 18. Ne5 Nf6 19. Rfd1 Nd5 *
Position (FEN): r2qk2r/1b2bp2/p5p1/1p1nN2p/2p2Q2/P3B3/BPP2PPP/R2R2K1 w kq - 8 20
White to move.
Themes: Attacking f2 or f7 Middlegame Mate in 1 
Puzzle rating: 1050
Best move: Qxf7#