Chess puzzle (Advantage)
Opening: Russian_Game, Russian_Game_French_Attack
Moves: 1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. d3 Nf6 6. d4 Bg4 7. Be2 Bxf3 8.
Bxf3 Qe7+ 9. Be2 Nc6 10. O-O O-O-O 11. Bg5 h6 12. Bg4+ Kb8 13. Re1 Qxe1+ 14.
Qxe1 hxg5 15. Qd2 *
Position (FEN): 1k1r1b1r/ppp2pp1/2np1n2/6p1/3P2B1/8/PPPQ1PPP/RN4K1 b - - 1 15
Black to move.
Themes: Hanging Piece Middlegame  
Puzzle rating: 1575
Best move: Nxg4