Chess puzzle (Advantage)
Opening: Vienna_Game, Vienna_Game_Anderssen_Defense
Moves: 1. e4 e5 2. Nc3 Bc5 3. Bc4 Nf6 4. f4 d6 5. Nf3 O-O 6. d3 Bg4 7. fxe5 dxe5 8. h3
Bh5 9. g4 Nxg4 *
Position (FEN): rn1q1rk1/ppp2ppp/8/2b1p2b/2B1P1n1/2NP1N1P/PPP5/R1BQK2R w KQ - 0 10
White to move.
Themes:  Middlegame  
Puzzle rating: 1372
Best move: hxg4