Chess puzzle (Advantage)
Opening: Russian_Game, Russian_Game_Stafford_Gambit
Moves: 1. e4 e5 2. Nf3 Nf6 3. Nxe5 Nc6 4. Nxc6 dxc6 5. Bc4 Bc5 6. d3 Ng4 7. O-O *
Position (FEN): r1bqk2r/ppp2ppp/2p5/2b5/2B1P1n1/3P4/PPP2PPP/RNBQ1RK1 b kq - 2 7
Black to move.
Themes:  Opening  
Puzzle rating: 1532
Best move: Qh4