Chess puzzle (Advantage)
Moves: 1. e4 e5 2. Nf3 Nc6 3. c3 a6 4. Bc4 h6 5. d3 Nf6 6. h3 Bc5 7. Qe2 O-O 8. a3 d6
9. Be3 Ba7 10. Nbd2 Qe7 11. b4 Be6 12. Bxa7 Nxa7 13. Bxe6 Qxe6 14. c4 c6 15. a4
b5 16. axb5 cxb5 17. O-O Nc6 18. cxb5 axb5 19. Rab1 Nh5 20. Qe3 Nf4 21. Kh2 Nd4
*
Position (FEN): r4rk1/5pp1/3pq2p/1p2p3/1P1nPn2/3PQN1P/3N1PPK/1R3R2 w - - 6 22
White to move.
Themes:  Middlegame  
Puzzle rating: 1109
Best move: Nxd4