Chess puzzle (Advantage)
Moves: 1. Nf3 c5 2. e4 Nc6 3. g3 e5 4. Bg2 Nf6 5. d3 d6 6. O-O Bg4 7. Nbd2 Be7 8. Re1
Qd7 9. Nf1 Nd4 10. Ne3 Bxf3 11. Bxf3 h5 12. h4 Nxf3+ 13. Qxf3 g6 14. c3 Nh7 15.
Nd5 g5 16. hxg5 Nxg5 17. Bxg5 Bxg5 18. Kg2 h4 19. gxh4 Bxh4 20. Rh1 O-O-O 21.
Rag1 Rdf8 22. Nf6 *
Position (FEN): 2k2r1r/pp1q1p2/3p1N2/2p1p3/4P2b/2PP1Q2/PP3PK1/6RR b - - 5 22
Black to move.
Themes:  Middlegame  
Puzzle rating: 1456
Best move: Bxf6