If you want, I can check from RCA and send you the working links (nonexpiration-based). Just say “check now”.
: The Remote Chess Academy YouTube channel hosts over 1,700 free educational videos covering openings, traps, and grandmaster-level thinking. gm igor smirnov all 9 chess courses free new
: A common starting point that teaches "3 Simple Rules to Reach 2000 Rating Faster". If you want, I can check from RCA