Chess puzzle (Advantage)
Moves: 1. e4 d6 2. Nf3 Nf6 3. e5 dxe5 4. Nxe5 g6 5. Bc4 e6 6. d3 Bg7 7. c3 Nd5 8. Nf3
Bd7 9. O-O a6 10. Re1 O-O 11. Bb3 Nc6 12. Ng5 h6 13. Ne4 Na5 14. Bc2 b6 15. c4
Nb4 16. Na3 Nxc2 17. Nxc2 Qh4 18. Qf3 Bc6 19. Nd4 f5 20. Nxc6 *
Position (FEN): r4rk1/2p3b1/ppN1p1pp/n4p2/2P1N2q/3P1Q2/PP3PPP/R1B1R1K1 b - - 0 20
Black to move.
Themes:  Middlegame  
Puzzle rating: 1468
Best move: fxe4