Free videos are scattered. The courses (like The Grandmaster's Secrets or Your Winning Plan ) build on each other to fix your specific weaknesses.
“All 9 GM Smirnov chess courses better free” → FALSE. Corrected statement: “High-quality free chess resources exist, but they are not a substitute for the curated, sequential, time-saving system of GM Smirnov’s paid courses. A hybrid approach is optimal.” gm igor smirnov all 9 chess courses better free