Chess puzzle (Advantage)
Opening: Philidor_Defense, Philidor_Defense_Other_variations
Moves: 1. e4 e5 2. Nf3 d6 3. Nc3 h6 4. Bc4 c6 5. a3 Qf6 6. h3 Ne7 7. d3 Ng6 8. b4 Be7
9. b5 O-O 10. bxc6 bxc6 11. Be3 Nd7 12. d4 Nf4 13. Bxf4 Qxf4 14. dxe5 Nxe5 15.
Nxe5 dxe5 16. O-O Qg5 17. Qf3 Be6 18. Bxe6 fxe6 19. Qg3 *
Position (FEN): r4rk1/p3b1p1/2p1p2p/4p1q1/4P3/P1N3QP/2P2PP1/R4RK1 b - - 1 19
Black to move.
Themes:  Middlegame  
Puzzle rating: 1010
Best move: Qxg3