Chess puzzle (Advantage)
Opening: Sicilian_Defense, Sicilian_Defense_Alapin_Variation
Moves: 1. e4 c5 2. c3 d6 3. d4 cxd4 4. cxd4 e6 5. Nf3 Nf6 6. Nc3 Be7 7. a3 a6 8. b4 b5
9. Bd3 O-O 10. O-O Bb7 11. e5 dxe5 12. dxe5 Nd5 13. Nxd5 Qxd5 14. Bg5 *
Position (FEN): rn3rk1/1b2bppp/p3p3/1p1qP1B1/1P6/P2B1N2/5PPP/R2Q1RK1 b - - 1 14
Black to move.
Themes:  Middlegame  
Puzzle rating: 1080
Best move: Bxg5