Chess puzzle (Advantage)
Opening: Sicilian_Defense, Sicilian_Defense_OKelly_Variation
Moves: 1. e4 c5 2. Nf3 a6 3. d4 cxd4 4. Nxd4 e5 5. Nf5 d5 6. Ng3 d4 7. Be2 Nf6 8. O-O
h5 9. Nh1 Nxe4 10. f4 Bc5 11. Qd3 Bf5 12. fxe5 Bg6 13. Bf3 Ng3 14. Qb3 d3+ 15.
Nf2 Nxf1 16. Kxf1 Qd4 17. Nh3 Bf5 18. c3 Qh4 *
Position (FEN): rn2k2r/1p3pp1/p7/2b1Pb1p/7q/1QPp1B1N/PP4PP/RNB2K2 w kq - 1 19
White to move.
Themes:  Middlegame  
Puzzle rating: 1813
Best move: Bg5