Is That Your Opening Line?

Boris Obrubt was a grandmaster who lives in the US now, but at the time I was living in Israel. Back then it was like one of the common things to do was would be to find someone who is an expert in opening and then have that person explain the ins and outs of it because opening work was much more tedious. Now we take it for granted how like you turn on a strong stock vision and it shows you the Berlin defense. Like the engine just so much stronger.