Tactics, openings, and game analysis
Train with a plan.
Review every game.
Practice tactics with Woodpecker cycles, study interactive lessons, organize your openings, and review your games in the browser.
Tools for structured practice
Combine tactics, study, and game review around your goals.
The Woodpecker Method
Repeat problem sets in cycles to recognize tactical themes you have already studied.
Explore tool →Interactive Lessons
Study basic checkmates and strategic concepts through examples you can play.
Explore tool →AI Game Review
Import a game and use Stockfish to review mistakes, evaluation changes, and alternatives.
Explore tool →AI Gym Coach
Review recurring themes from your games and get suggestions for what to practice next.
Explore tool →Opening Builder
Organize variations for White and Black, then review them with spaced repetition.
Explore tool →Daily Puzzle
Calculate today's position and compare your solution.
Daily Puzzle
Calculate today's position and compare your solution.
Chess training and game analysis with Chess Gym
Chess Gym brings tactics practice, opening study, and game review into one place. You can work through Woodpecker cycles, organize a repertoire, and analyze PGN files in your browser.
Tactics practice
Solve positions suited to your level and practice specific themes, from mate in one or two to longer combinations. Each exercise gives you a chance to calculate and recognize common patterns.
The Woodpecker Method
The Woodpecker Method has you solve the same set of problems over several cycles. Repetition makes previously studied tactical themes easier to recognize.
Opening repertoire builder
Use the Opening Builder to organize lines for White and Black. You can then review them with spaced repetition (SRS) and focus on the variations you need to remember.
Game review and PGN analysis
Import a game in PGN format to review its critical moments with Stockfish. The report marks evaluation changes and suggests alternatives you can explore on the board.
AI Gym Coach
The coach reviews your games to identify recurring themes and suggest areas to practice. Its recommendations provide a starting point for planning your next session.
A routine in one place
Combine a daily puzzle, a tactics cycle, an opening review, and a game analysis. The browser-based tools let you choose between a short session and a more detailed study.
Frequently Asked Questions
Everything you need to know about our chess training platform.
Can I start without creating an account?
Yes. You can continue as a guest and try the available training tools without entering a credit card. An account lets you keep your activity between sessions.
How does the AI Chess Game Review work?
You can import a PGN file or connect your Lichess or Chess.com profile. Stockfish evaluates the moves, and the report highlights critical moments, mistakes, and possible alternatives.
What is the Woodpecker Method and how do I train it?
It is a cycle-based tactics training method. You solve a set of problems and return to it in later cycles, aiming to recognize its patterns more easily.
Can I build my own customized chess opening repertoire?
Yes. Opening Builder lets you organize and save variations for White and Black, then review them with spaced repetition.