Chess puzzle (Checkmate)
Opening: Sicilian_Defense, Sicilian_Defense_Closed
Moves: 1. e4 c5 2. Nc3 e6 3. f4 d5 4. exd5 exd5 5. Nf3 Bg4 6. Bb5+ Nc6 7. Bxc6+ bxc6
8. O-O d4 9. Ne4 Nf6 10. Qe1 Bxf3 *
Position (FEN): r2qkb1r/p4ppp/2p2n2/2p5/3pNP2/5b2/PPPP2PP/R1B1QRK1 w kq - 0 11
White to move.
Themes: Double Check Opening Mate in 1 
Puzzle rating: 1002
Best move: Nxf6#