GM Igor Smirnov , the founder of the Remote Chess Academy (RCA)
Disclaimer regarding "Free" access: While summaries and reviews are widely available online, the full courses are proprietary intellectual property of the Remote Chess Academy. To access the complete video lessons, practical tasks, and text files legally, one must purchase them from the official RCA website. They often have significant discounts (up to 50-60%) during holidays.
: His flagship course, teaching the fundamental thinking process used by GMs to find the best moves. The Grandmaster's Positional Understanding
He wrote:
Years later, a student asked him, "Should I buy all nine GM Igor Smirnov courses?"
A 4-hour course compresses a decade of Grandmaster experience into a weekend. No YouTube playlist can do that because YouTube rewards length (10 minute videos), not density.
: Teaches the thought process used by high-rated players.