Chess.PhD: Puzzles & Tactics

Grandmasters approve. Beginners benefit. With over 5 million puzzles from 400 to 3000 ELO, this trainer adapts to every level of play.
Train smarter with over 5 million chess puzzles, crafted to help you learn, study, and master tactical patterns, strategic endgames, and opening traps.
Whether you’re a beginner at 400 ELO or a FIDE-rated player aiming for 2800+, this adaptive trainer meets you at your level - and it’s trusted by grandmasters who use it to sharpen their own skills.

Built for Real Chess Improvement
- AI-powered trainer adjusts puzzle difficulty as you grow
- Master tactics like forks, pins, skewers, and sacrifices
- Study openings, checkmate patterns, and endgame logic
- Solve puzzles across the full 64-square board with real-game scenarios
- Practice in daily sessions or fast-paced blitz formats

Smart Features to Train Like a Pro
- Engine-backed analysis powered by Stockfish
- Built-in timer to track and improve your speed
- Adaptive difficulty and ELO-based progression
- Choose to play as White, Black, or random

Designed for All Players
From your first lesson to elite tournament prep, you’ll find curated puzzle sets that improve your mind, deepen your strategy, and challenge your logic.
Every puzzle is crafted to teach, not just test. You’ll train, not guess.

Why Players Trust This Trainer
- Huge database: 5M+ positions from real games
- Covers beginner to advanced levels
- Proven to improve tactical vision and calculation
- 62 themed puzzle sets - from opening traps to endgame finesse
- Gamified with streaks, ranks, and rating boosts

Play smarter. Train harder. Master faster.
Whether you’re chasing rating points or just want to study more efficiently, this free chess trainer is your daily companion for tactical growth.

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