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 d6 6. Bc4 Be7 7. Bd2 O-O 8.
O-O-O Be6 9. Bxe6 fxe6 10. Qg3 d5 11. exd5 exd5 12. Nge2 Bd6 13. Bf4 Bxf4+ *
Position (FEN): r2q1rk1/ppp3pp/2n2n2/3p4/5b2/2N3Q1/PPP1NPPP/2KR3R w - - 0 14
White to move.
Themes:  Middlegame  
Puzzle rating: 1408
Best move: Nxf4