Chess puzzle (Advantage)
Opening: Slav_Defense, Slav_Defense_Other_variations
Moves: 1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. Bg5 e6 5. Nf3 b6 6. e4 dxe4 7. Nxe4 Be7 8. Bxf6
Bxf6 9. Rb1 O-O 10. Be2 Bb7 11. O-O Nd7 12. Nd6 Qc7 13. Ne4 Be7 14. Rc1 c5 15.
d5 exd5 16. cxd5 Qf4 17. Qd3 f5 18. Neg5 *
Position (FEN): r4rk1/pb1nb1pp/1p6/2pP1pN1/5q2/3Q1N2/PP2BPPP/2R2RK1 b - - 1 18
Black to move.
Themes:  Middlegame  
Puzzle rating: 1177
Best move: Bxg5