Chess puzzle (Advantage)
Opening: Russian_Game, Russian_Game_Italian_Variation
Moves: 1. e4 e5 2. Nf3 Nf6 3. Bc4 Nxe4 4. Qe2 d5 5. Bb3 Bc5 6. O-O Nc6 7. d3 Bg4 *
Position (FEN): r2qk2r/ppp2ppp/2n5/2bpp3/4n1b1/1B1P1N2/PPP1QPPP/RNB2RK1 w kq - 1 8
White to move.
Themes:  Opening  
Puzzle rating: 1373
Best move: dxe4