Chess puzzle (Advantage)
Opening: Ruy_Lopez, Ruy_Lopez_Closed
Moves: 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. d3 O-O 7. Bxc6 dxc6 8.
Nxe5 Bd6 9. Nf3 Bg4 10. h3 Bh5 11. g4 Nxg4 12. hxg4 Bxg4 13. Bg5 Be7 14. Bxe7
Qxe7 15. Kg2 Qf6 16. Nbd2 Rad8 17. Qe2 Rfe8 18. Qe3 Re6 19. Qg5 Qxg5 *
Position (FEN): 3r2k1/1pp2ppp/p1p1r3/6q1/4P1b1/3P1N2/PPPN1PK1/R4R2 w - - 0 20
White to move.
Themes:  Middlegame  
Puzzle rating: 549
Best move: Nxg5