Chess puzzle (Advantage)
Opening: Center_Game, Center_Game_Berger_Variation
Moves: 1. e4 e5 2. d4 exd4 3. Qxd4 Nc6 4. Qe3 Nf6 5. Nc3 Bb4 6. Bd2 O-O 7. O-O-O Re8
8. Bc4 Ne5 9. Bb3 Neg4 10. Qe1 Bxc3 11. Bxc3 Nxe4 12. Nh3 Nexf2 *
Position (FEN): r1bqr1k1/pppp1ppp/8/8/6n1/1BB4N/PPP2nPP/2KRQ2R w - - 0 13
White to move.
Themes:  Opening  
Puzzle rating: 2020
Best move: Qf1