Chess puzzle (Advantage)
Moves: 1. e4 e5 2. Nc3 Nf6 3. Nf3 Bc5 4. Bc4 Nc6 5. d3 O-O 6. Bg5 h6 7. Bh4 d6 8. Nd5
g5 9. Bg3 Nxd5 10. exd5 Nd4 11. Nxd4 Bxd4 12. c3 Bc5 13. Qh5 Kh7 14. O-O-O f5
15. d4 Bb6 16. dxe5 f4 17. Bd3+ Bf5 18. Bxf5+ Rxf5 19. Bh4 dxe5 20. g4 *
Position (FEN): r2q4/ppp4k/1b5p/3PprpQ/5pPB/2P5/PP3P1P/2KR3R b - g3 0 20
Black to move.
Themes: Defensive Move Middlegame  
Puzzle rating: 1989
Best move: Rf8