Chess puzzle (Advantage)
Opening: Philidor_Defense, Philidor_Defense_Other_variations
Moves: 1. e4 e5 2. Nf3 d6 3. Bc4 Nf6 4. d3 Be7 5. O-O O-O 6. h3 h6 7. Be3 Nh7 8. Qd2
c6 9. Nc3 b5 10. Bb3 a5 11. a3 a4 12. Ba2 Kh8 13. Ne2 f5 14. exf5 Rxf5 15. Ng3
Rf8 16. Nh5 Bxh3 17. Nxg7 Bg4 18. Bxh6 Rf6 19. Ng5 Nxg5 *
Position (FEN): rn1q3k/4b1N1/2pp1r1B/1p2p1n1/p5b1/P2P4/BPPQ1PP1/R4RK1 w - - 0 20
White to move.
Themes:  Middlegame  
Puzzle rating: 1569
Best move: Qxg5