Chess puzzle (Checkmate)
Opening: Sicilian_Defense, Sicilian_Defense_Staunton-Cochrane_Variation
Moves: 1. e4 c5 2. c4 g6 3. d3 Bg7 4. Nc3 Nf6 5. Be3 d6 6. h3 O-O 7. Be2 Qb6 8. b3
Nxe4 9. Nd5 Qa5+ 10. b4 cxb4 11. dxe4 Bxa1 12. Qxa1 b3+ 13. Bd2 Qxa2 *
Position (FEN): rnb2rk1/pp2pp1p/3p2p1/3N4/2P1P3/1p5P/q2BBPP1/Q3K1NR w K - 0 14
White to move.
Themes: Kingside Attack Opening Mate in 1 
Puzzle rating: 1363
Best move: Nxe7#