Personal chess study
Your chess study, in one place.
Analyze a game, review every missed tactic, build a practice deck, or play a local engine. Choose where you want to begin.
Start a training deck
Practice positions from your own games
Import public games or PGN notation and turn important missed chances into a review deck.
Every game from the last 7 days or the latest 20, whichever is larger
Master game study
Learn from the strongest players.
Search verified Chess.com grandmasters and train from mistakes in their latest 100 public games. Master decks are included throughout the beta.
Featured grandmasters
Start with a leading player
Chess.com titled directory
All grandmasters
Loading the grandmaster directory…
One game or position
Analysis board
Import PGN, paste FEN, or build a position on the board. Stockfish measures the game; chess_detect explains the tactics you missed.
White to move
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Your move.
Chess Report
At a glanceAccuracy, volume, and recordA simple overview of how your latest games went. PrivateAnalysis stays in your browserYour positions are evaluated locally by Stockfish.
Your latest games, wrapped.
See your average accuracy and recent results across 20 games by default, with up to 50 available in Settings. Stockfish calculates the summary privately on your device.
Your latest 20 public games, or every available game when fewer exist
Preparing Stockfish…
Chess Report
Your recent-game accuracy
Average move accuracy across your latest analyzed games.
—average accuracy
0 games0 moves measured0 wins · 0 draws · 0 losses
20–50 game review
Find the patterns behind your mistakes.
Latest 20 games
Preparing Stockfish…
0games
—average accuracy
0positions checked
0costly mistakes
Your games become puzzles
0 important positions ready to practice
Built from your largest missed chances and tactical errors.
Recommended on Lichess
Tagged puzzles for the tactics you missed
Positions from your games
Highest-impact examples
Multi-player planning
Build the next lesson from your players’ games.
Add as many Chess.com and Lichess accounts as you coach. DoBackChess analyzes them one at a time, then shows which tactics affect the group and who needs each theme.
0players analyzed
0games
—group accuracy
0costly mistakes
Lesson coverage
Group tactical priorities
Themes are ranked first by how many players need them, then by frequency.
Player notes
Individual development plans
Use each player’s leading themes for assignments, small groups, or one-to-one review.
Accounts that could not be analyzed
Last 7 days
Your training deck
0 due0 positions
White to move
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Select a piece, then choose its destination.