Checkmate Mind

Your all-in-one mind training platform

Chess mastery · AI-powered tutoring · Career decisions — all in one place.

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Leaderboard

See who's putting in the most study time across all subjects.

RankStudent Quizzes CompletedAvg Score
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RankStudent Questions AttemptedTopics Covered
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Chess

Analyze, learn, and sharpen your game with Stockfish and curated puzzles.

🧩 Learn Ten rating bands (~200–2000) with leveled puzzles, check-my-move, and video picks. 🔍 Analyze Drag pieces on a full board. Get pattern hints and optional Stockfish 16 engine lines. 📚 Saved Games Import PGN files, tag your color, and scan your library for recurring habits and loss patterns. 📷 Puzzle Scanner Upload a board screenshot, add your move via voice or text, compare to Stockfish with a coach readout.
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School

AI-powered tutoring that adapts to your weak spots and course materials.

🤖 Learn with AI Pick a subject and unit, take a Claude-generated quiz, then chat with your personal AI tutor. Tracks weak spots automatically. 🔮 My Decisions Simulate big life decisions with your AI Decision Twin before you commit. 🏆 Leaderboard See how you rank among all students by quizzes attempted and quizzes completed.
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Career

Simulate big life decisions with your AI Decision Twin before you commit.

🔮 Decisions Describe a real-life dilemma — college choice, career path, major — and get a personalized simulation of outcomes tailored to your goals and personality. 📖 Read Stories Read stories from other students about decisions, journeys, and life moments. ✏️ Share a Story Write and publish your own story for other students to read and be inspired by.

Train & play elsewhere

Checkmate Mind is not a playing server. For games, puzzles, and lessons at scale, these are great companions (external sites — we are not affiliated).

Lichess Free play, puzzles, studies, and broadcasts. Chess.com Play, lessons, puzzles, and events. GothamChess Levy Rozman — openings, entertainment, teaching. John Bartholomew Fundamentals, climbing, and clear explanations. Eric Rosen Creative games and educational commentary. ChessNetwork Jerry — classic YouTube chess education. Saint Louis Chess Club Lectures, Grandmaster talks, and event coverage. agadmator Classic games, history, and commentary.

Stockfish needs a local server — use Open Checkmate Mind.command (Mac), start-server.bat (Windows), or ./serve.sh, then open http://127.0.0.1:8765/. Opening HTML files directly will not run the engine.