Chess puzzle (Advantage)
Moves: 1. d4 Nf6 2. e3 g6 3. Bd3 Bg7 4. f4 d6 5. Nf3 Nbd7 6. e4 O-O 7. O-O e5 8. fxe5
dxe5 9. d5 Nc5 10. Qe2 Bg4 11. c4 a5 12. Bc2 Nfd7 13. h3 Bxf3 14. Qxf3 Qe7 15.
b3 f5 16. Nc3 fxe4 17. Qe3 Rxf1+ 18. Kxf1 Rf8+ 19. Kg1 Qh4 20. Nxe4 *
Position (FEN): 5rk1/1ppn2bp/6p1/p1nPp3/2P1N2q/1P2Q2P/P1B3P1/R1B3K1 b - - 0 20
Black to move.
Themes:  Middlegame  
Puzzle rating: 1401
Best move: Nxe4