Chess puzzle (Advantage)
Opening: Bishops_Opening, Bishops_Opening_Berlin_Defense
Moves: 1. e4 e5 2. Bc4 Nf6 3. d3 Nc6 4. c3 Bc5 5. h3 a6 6. a4 Ba7 7. b4 h6 8. Nf3 d6
9. b5 Na5 10. Bb3 Nxb3 11. Qxb3 O-O 12. c4 c5 13. a5 axb5 14. cxb5 Be6 15. Qb2
b6 16. a6 c4 17. Nbd2 cxd3 18. Qc3 Rc8 19. Qxd3 Bc4 *
Position (FEN): 2rq1rk1/b4pp1/Pp1p1n1p/1P2p3/2b1P3/3Q1N1P/3N1PP1/R1B1K2R w KQ - 1 20
White to move.
Themes:  Middlegame  
Puzzle rating: 1177
Best move: Nxc4