Chess puzzle (Advantage)
Opening: Sicilian_Defense, Sicilian_Defense_McDonnell_Attack
Moves: 1. e4 c5 2. f4 a6 3. Nf3 Nc6 4. d4 d5 5. e5 Bg4 6. dxc5 e6 7. Be2 Bxc5 8. a3
Qb6 9. b4 Bf2+ 10. Kf1 Bxf3 11. Bxf3 Nge7 12. Qe2 Bd4 13. c3 Nf5 14. cxd4 Ncxd4
15. Be3 Rc8 16. Nd2 Nxe3+ *
Position (FEN): 2r1k2r/1p3ppp/pq2p3/3pP3/1P1n1P2/P3nB2/3NQ1PP/R4K1R w k - 0 17
White to move.
Themes:  Middlegame  
Puzzle rating: 808
Best move: Qxe3