Also, at your levels, supplement with tactics because all openings are sound below the GM level. Don't try to hide your fundamental weaknesses by trying to learn certain openings.
How do I know all this? Because my rating is in the 1100's (USCF; would be less in FIDE) and I study a lot ... on how to get better at chess, not actual chess training content.
Hi, I am trying to get to master and my current otb rating is around 2130...I have been rated 2150 before...somehow I still can not seem to get to master. What are the best books for making the leap to master?