Chess puzzle (Advantage)
Moves: 1. e4 c5 2. Nf3 d6 3. Bc4 h6 4. O-O Nc6 5. d3 e6 6. Nc3 Nf6 7. d4 Na5 8. Bb5+
Bd7 9. dxc5 a6 10. Ba4 b5 11. cxb6 Qxb6 12. Be3 Qd8 13. e5 dxe5 14. Nxe5 Bxa4
15. Nxa4 Be7 16. Qf3 O-O 17. Rad1 Qe8 18. b4 Qxa4 19. Rd4 Qxa2 20. bxa5 Qxa5 *
Position (FEN): r4rk1/4bpp1/p3pn1p/q3N3/3R4/4BQ2/2P2PPP/5RK1 w - - 0 21
White to move.
Themes:  Middlegame  
Puzzle rating: 1778
Best move: Nc6