Chess puzzle (Advantage)
Opening: Russian_Game, Russian_Game_Three_Knights_Game
Moves: 1. e4 e5 2. Nf3 Nf6 3. Nc3 Bb4 4. Nxe5 Bxc3 5. dxc3 Nxe4 6. Qd5 O-O *
Position (FEN): rnbq1rk1/pppp1ppp/8/3QN3/4n3/2P5/PPP2PPP/R1B1KB1R w KQ - 2 7
White to move.
Themes: Hanging Piece Opening  
Puzzle rating: 1740
Best move: Qxe4