Chess puzzle (Advantage)
Moves: 1. g3 e5 2. Bg2 d5 3. d3 Nf6 4. Nf3 c6 5. Nxe5 d4 6. O-O Bd6 7. Nf3 Bc7 8. c3
dxc3 9. bxc3 O-O 10. Bg5 h6 11. Bxf6 Qxf6 12. Qc2 Na6 13. Nbd2 Re8 14. Rfe1 Nc5
15. e4 Be6 16. d4 Nd7 17. e5 Qd8 18. Bf1 Nb6 19. Ne4 Bf5 20. Nf6+ *
Position (FEN): r2qr1k1/ppb2pp1/1np2N1p/4Pb2/3P4/2P2NP1/P1Q2P1P/R3RBK1 b - - 6 20
Black to move.
Themes:  Opening  
Puzzle rating: 1845
Best move: Qxf6