Chess puzzle (Advantage)
Moves: 1. f4 d5 2. d4 Nc6 3. Nc3 Nf6 4. Nf3 Bf5 5. e3 Nb4 6. Bd3 Bxd3 7. cxd3 e6 8. a3
Nc6 9. O-O Be7 10. e4 O-O 11. e5 Nh5 12. g4 Nxf4 13. Bxf4 g5 14. Bg3 Kg7 15. b4
Rh8 16. b5 Na5 17. Na4 b6 18. Be1 h5 19. h3 hxg4 20. hxg4 Rh3 21. Kg2 Qh8 22.
Nb2 c5 23. Bf2 Rc8 24. Be3 cxd4 25. Bxd4 Qh7 26. Be3 Rh6 27. Bxg5 *
Position (FEN): 2r5/p3bpkq/1p2p2r/nP1pP1B1/6P1/P2P1N2/1N4K1/R2Q1R2 b - - 0 27
Black to move.
Themes:  Middlegame  
Puzzle rating: 1223
Best move: Bxg5