Welcome to ChessOS
Your adaptive chess training begins here.
🎯 Today's Mission
Personalized tasks based on your weakness analysis and current milestone.
📈 Grandmaster Roadmap
🚀 Highest-ROI Activity
📊 Skill Snapshot
🏅 Achievements
⚡ Skill Training Exercises
Quick challenges to sharpen tactical vision and pattern recognition.
🔍 Game Review Engine
Paste PGN to analyze accuracy, blunders, and get an estimated performance rating.
🧪 Opening Lab & Repertoire Builder
Build your White and Black repertoires. Practice with spaced repetition drills.
Your Repertoire Lines
Select a line
🎯 Tactics Progression Academy
Master each tactical motif to advance. Click a category to practice puzzles.
🏛️ Strategy Academy
Learn positional chess concepts that separate club players from masters.
📖 Endgame Curriculum
From opposition to fortress defense. Master endgames tier by tier.
🎓 Famous Games Academy
Study immortal games from the greatest players in history.
🧠 Weakness Detection & AI Coach
Your personal coach analyzes patterns and tells you exactly what to study and why.
📋 Personalized Recommendations
🏆 Tournament Center
Simulated tournament pairings to prepare for official FIDE and online events.
🕸️ Skill Radar
📈 ELO Growth Path
🔥 Knowledge Mastery Heatmap
Each cell represents a concept in your knowledge graph. Green = mastered, Yellow = learning, Red = weak.
👥 Clubs & Study Groups
Connect with fellow players, share repertoires, and participate in group analysis.
📋 Comprehensive Skill Assessment
Solve puzzles across Tactics, Strategy, Endgames, Calculation, and Visualization. Your results personalize your entire learning path.
🌳 Knowledge Skill Tree
Master concepts to unlock advanced skills. Green = mastered, Blue = unlocked, Gray = locked.
🐉 Boss Battles & Certifications
Prove your mastery through timed challenges. Earn certifications and unlock rewards.
📉 Learning Analytics Dashboard
Track your growth, identify trends, and optimize your training.
📈 ELO Progression
🕸️ Skill Evolution
📊 Concept Mastery Heatmap
Hover over cells to see concept details. Green=mastered, Yellow=learning, Red=weak.
👁️ Visualization & Calculation Lab
Train your chess vision and calculate multiple moves ahead mentally.
🧑🦯 Blindfold Color Trainer
Identify the color of a square from coordinates without looking at the board.
🧠 Position Memory Trainer
Remember piece positions shown for 5 seconds and reconstruct the board.
🎬 Move Sequence Memory
Mentally follow a list of chess moves and type the final position coordinates.
🧮 Candidate Moves Calculation
Find checkmates and combinations 3-5 moves deep from candidates.