Chess puzzle (Advantage)
Moves: 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 e5 5. Nb3 a6 6. Be3 d6 7. Nc3 Nf6 8. f3
Be7 9. Qd2 O-O 10. O-O-O b5 11. Kb1 Bd7 12. g4 Qc7 13. h4 Nd8 14. h5 a5 15.
Nxb5 Bxb5 16. Bxb5 Qb7 17. Ba4 Ne6 18. g5 Nd7 19. Bxd7 Qxd7 20. Nxa5 *
Position (FEN): r4rk1/3qbppp/3pn3/N3p1PP/4P3/4BP2/PPPQ4/1K1R3R b - - 0 20
Black to move.
Themes:  Middlegame  
Puzzle rating: 1630
Best move: Qa4