Chess puzzle (Advantage)
Opening: Queens_Pawn_Game, Queens_Pawn_Game_Levitsky_Attack
Moves: 1. d4 d5 2. Bg5 h6 3. Bh4 Nf6 4. e3 e6 5. c4 Be7 6. Nc3 a6 7. Nf3 O-O 8. a3 Nc6
9. cxd5 exd5 10. Bd3 Be6 11. O-O Na7 12. e4 dxe4 13. Nxe4 Nxe4 14. Bxe7 Qxe7
15. Bxe4 c6 16. Rb1 Bg4 17. Qd3 f5 18. Ne5 *
Position (FEN): r4rk1/np2q1p1/p1p4p/4Np2/3PB1b1/P2Q4/1P3PPP/1R3RK1 b - - 1 18
Black to move.
Themes:  Middlegame  
Puzzle rating: 1225
Best move: fxe4