Chess puzzle (Advantage)
Opening: Russian_Game, Russian_Game_Italian_Variation
Moves: 1. e4 e5 2. Bc4 Nf6 3. Nf3 Nxe4 4. Qe2 d5 5. Bb3 Bg4 6. d3 Bb4+ *
Position (FEN): rn1qk2r/ppp2ppp/8/3pp3/1b2n1b1/1B1P1N2/PPP1QPPP/RNB1K2R w KQkq - 1 7
White to move.
Themes: Defensive Move Opening  
Puzzle rating: 1044
Best move: c3