Chess puzzle (Advantage)
Moves: 1. d4 e6 2. Nf3 Nf6 3. Bf4 c5 4. dxc5 Bxc5 5. Nc3 O-O 6. a3 a5 7. h3 b6 8. e3
Ba6 9. Bd3 Bxd3 10. Qxd3 Nc6 11. Ne5 Nxe5 12. Bxe5 d5 13. Qe2 Nd7 14. Bg3 Qe7
15. Qg4 Nf6 16. Qh4 Rad8 17. O-O Bd6 18. Bxd6 Qxd6 19. Rad1 Qc5 20. Rd2 Ne4 *
Position (FEN): 3r1rk1/5ppp/1p2p3/p1qp4/4n2Q/P1N1P2P/1PPR1PP1/5RK1 w - - 4 21
White to move.
Themes:  Middlegame  
Puzzle rating: 1059
Best move: Nxe4