Improve your calculation, learn critical motifs, and correct your mistakes. Get better starting with the very first lesson. 2100 rated player with 20+ years of experience.

Ian has a strong grasp of chess principles and is very receptive to suggestions for improvement.
Takeaways from the lesson were that moves should be strategic - being made for a number of good reasons. Second is that blunders occur at every level of play, and that limiting them is the easiest way to improve quickly.