Build your own training plan or let AI create one for you. Puzzles, game database, engine analysis, and gamified progress — everything you need to get better, with zero distractions.
Puzzles
Games
Engine
Always
A clean, focused environment. Your training space isn't cluttered with banners or distractions.
Build your own plan or use AI to create one. You decide what to study, when, and how deep to go.
Earn XP, maintain streaks, unlock badges, and climb leaderboards as you train. Progress that feels rewarding.
Analyzes your games to surface tactical blind spots and positional gaps.
Daily and weekly plans calibrated to your available time.
The plan evolves with you — shifting focus as strengths and weaknesses change.
Missed puzzles return at optimal intervals so patterns stick long-term.
120,000+ puzzles rated by difficulty. Filter by theme — pins, skewers, sacrifices, mating patterns — and track your tactical rating.
Rated · Themed · AdaptiveSearch 8 million master games by player, opening, or position. Study how top players handle the structures you encounter.
8M+ Games · Advanced SearchStockfish 17 at depth 30+. Cloud-based multi-line evaluation to find every inaccuracy and missed tactic in your games.
Stockfish 17 · Cloud · DeepMaster database and player statistics at every move. Build your repertoire and prepare against specific opponents.
Win Rates · Repertoire BuilderPractice essential endgames against tablebases. King & pawn, rook endings, bishop vs knight — drill until converting is instinct.
Tablebase · 200+ PositionsTrack rating, accuracy, and time-per-move trends. Identify which openings perform best and where calculation breaks down.
Charts · Insights · TrendsEarn experience points for every training activity. Puzzles, analysis, drills — it all counts.
Train daily to build your streak. Longer streaks unlock multipliers and exclusive challenges.
Hit milestones — 1000 puzzles, 30-day streak, first brilliancy — and collect badges for your profile.
Compete on weekly and monthly boards. See where you stand against other players at your level.