Yes, the opponent bludnered, but only positionally, i was quite chuffed to find the winning line.
10...e5? maybe black could play 10...dxc4 11.Bxc4 or 11.bxc4 and then 11...Nb6!?
or 10...b6 and then open bishop 11...Bb7 or Ba6 or 10...Re8
Yes, the opponent bludnered, but only positionally, i was quite chuffed to find the winning line.