Chess puzzle (Advantage)
Opening: Queens_Pawn_Game, Queens_Pawn_Game_Other_variations
Moves: 1. d4 d5 2. e3 Nf6 3. f4 Ne4 4. Bd3 Bf5 5. Nf3 e6 6. O-O c5 7. Nh4 *
Position (FEN): rn1qkb1r/pp3ppp/4p3/2pp1b2/3PnP1N/3BP3/PPP3PP/RNBQ1RK1 b kq - 1 7
Black to move.
Themes: Hanging Piece Opening  
Puzzle rating: 985
Best move: Qxh4