Chess puzzle (Advantage)
Opening: Sicilian_Defense, Sicilian_Defense_OKelly_Variation
Moves: 1. e4 c5 2. Nf3 a6 3. d4 cxd4 4. Qxd4 Nc6 5. Qa4 d6 6. Bc4 Bd7 7. Bf4 b5 8.
Bxb5 axb5 9. Qxb5 Nd4 10. Qd3 e5 11. Bg3 Nxf3+ 12. Qxf3 Nf6 13. Nc3 Bg4 14. Qd3
Bd7 15. Nb5 Qa5+ 16. Nc3 Be7 17. f4 O-O 18. O-O Nh5 19. Nd5 Nxg3 *
Position (FEN): r4rk1/3bbppp/3p4/q2Np3/4PP2/3Q2n1/PPP3PP/R4RK1 w - - 0 20
White to move.
Themes: Hanging Piece, Kingside Attack Middlegame  
Puzzle rating: 1183
Best move: Nxe7+