game analysis
12. ... b6 lost you a pawn.
13. ... Nc6 lost you material because after 14. Qb5 white is attacking your undefended knight and your rook with a bishop.
12. ... b6 lost you a pawn.
13. ... Nc6 lost you material because after 14. Qb5 white is attacking your undefended knight and your rook with a bishop.