Chess puzzle (Advantage)
Opening: Philidor_Defense, Philidor_Defense_Other_variations
Moves: 1. e4 e5 2. Nf3 d6 3. Bc4 h6 4. Nc3 Nf6 5. d3 Nc6 6. a3 Bg4 7. h3 Bh5 8. Be3
Be7 9. Qd2 Qd7 10. O-O-O a6 11. g4 Bg6 12. Nh4 Bh7 13. Nf5 Bxf5 14. gxf5 b5 15.
Ba2 Rb8 16. Nd5 Nxd5 17. Bxd5 Nd4 18. Bxd4 exd4 19. Rhg1 g5 *
Position (FEN): 1r2k2r/2pqbp2/p2p3p/1p1B1Pp1/3pP3/P2P3P/1PPQ1P2/2KR2R1 w k g6 0 20
White to move.
Themes:  Middlegame  En Passant
Puzzle rating: 1619
Best move: fxg6