How It Works

After purchasing one of our video lectures online, you will receive an email with a video file for you to view the lecture. Some of our video lectures may also come with PGN files or PowerPoint slides, in which case we will send those to you as well.

About FM Joshua Posthuma

FIDE Master Joshua Posthuma’s USCF rating is 2401, and his FIDE rating is 2291. He won back-to-back Michigan State Chess Championships in 2018 and 2019. Joshua is also a full-time professional chess instructor and has guided numerous students to the USCF Top 100 list for their age groups. Joshua has dedicated his life to the game of chess and has been an avid tournament player since the age of five.

About This Lecture

This lecture is one hour long, and the topic is light and dark square weaknesses. In this lecture, FM Joshua Posthuma goes over some general rules about light vs. dark-square control, while using real examples from top-level games to illustrate his points.