Chess puzzle (Advantage)
Moves: 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Bf4 b5 6. Be2 Bb7 7. f3 Bc5 8. c3
Nc6 9. b4 Bxd4 10. cxd4 Nxb4 11. O-O Nf6 12. Qb3 Nc6 13. Rd1 O-O 14. Nc3 Qb6
15. a4 Nxd4 16. Be3 Nxe2+ 17. Nxe2 Qc6 18. axb5 axb5 19. Rxa8 Rxa8 20. Nd4 Qc8
21. Nxb5 Bc6 22. Nd6 Qc7 23. Qc3 Qa5 24. Qd3 h6 25. Bd2 Qa4 26. Bc3 Bb5 *
Position (FEN): r5k1/3p1pp1/3Npn1p/1b6/q3P3/2BQ1P2/6PP/3R2K1 w - - 4 27
White to move.
Themes:  Middlegame  
Puzzle rating: 1633
Best move: Nxb5