Chess puzzle (Advantage)
Opening: Russian_Game, Russian_Game_Modern_Attack
Moves: 1. e4 e5 2. Nf3 Nf6 3. d4 exd4 4. Qxd4 Nc6 5. Qc4 d5 6. exd5 Nxd5 7. Be2 Bb4+
8. c3 Bf8 9. Qe4+ Be7 10. Bg5 f6 11. Bh4 O-O *
Position (FEN): r1bq1rk1/ppp1b1pp/2n2p2/3n4/4Q2B/2P2N2/PP2BPPP/RN2K2R w KQ - 2 12
White to move.
Themes:  Opening  
Puzzle rating: 1608
Best move: Bc4