BlunderSchool
Where bad moves become better chess.
Chess education is scattered everywhere. Blunder School organizes the best free chess videos by opening, tactic, endgame, middlegame theme, rating level, and creator — so you can stop scrolling and start improving.
Openings that stick.
Drill real repertoires move-by-move on an interactive board with Stockfish running live. Spaced repetition brings each line back right before you'd forget it — the same science flashcard apps use, applied to chess openings.
Start training freeNo account needed — progress saves in your browser.
The Library
Every topic, organized
Study Paths
Find your level and follow the road
Featured Videos
Handpicked lessons to get you started

An Easy Opening for Black Against 1.e4 (TRAPS Included!)
Igor SmirnovGM Smirnov's low-theory weapon against 1.e4 — one easy setup plus the built-in traps that win games outright at club level.

How To Play Chess PROPERLY
Nathan RoseThe foundations done right from move one: what each phase of the game is for and the habits that make everything else easier.

How To WIN At Chess | 400 Elo
Nathan RoseExactly what wins games at 400: stop hanging pieces, take free material, and follow a simple opening recipe. No fluff, just the moves that matter at this level.

Understanding Pawn Structure | Chess Middlegames
Hanging PawnsWhy pawns decide your plans: weak squares, pawn islands, majorities, and how structure tells you where to play.

5 Biggest Chess MISTAKES Made By Beginners
Igor SmirnovThe five habits that cap beginners' ratings — and the concrete fix for each one.

10 Chess Traps to Win FAST!!
GothamChessTen real opening traps across the most common openings — how to set them and, just as important, how not to fall into them.
Creator Library
The best chess educators on YouTube
Chess Vibes delivers high-energy, beginner-friendly lessons with clear explanations of tactics, openings, and game concepts. Perfect for players in the 0–1200 range.
Akeem's channel is the home of the Alien Gambit and other aggressive weapons — long-form, genuinely instructional breakdowns that took him from 500 to 2000.
GM Daniel Naroditsky is widely considered the best chess teacher on the internet. His Principles of Chess Endgames and speedrun series are structured like a real course.
IM Eric Rosen is famous for his calm teaching style, sneaky opening traps, and popularizing the Stafford Gambit. His "oh no my queen" moments are chess-internet legend.
IM Levy Rozman (GothamChess) is one of the most popular chess educators on YouTube. His Guess the Elo series and opening guides are must-watches for beginners and intermediates.
GM Igor Smirnov runs Remote Chess Academy, known for practical, structured lessons that focus on improving your overall game rather than memorizing lines. Great for serious improvers at all levels.
A curated daily study plan with recommended videos, tactic themes, and 15/30/60-minute study sessions.
Interactive opening trainer with curated repertoires, move-by-move feedback, and live Stockfish analysis.
