Player cardGuest playerSaved on this device
1Level
0Points
0 of 270 guided lessons0-day streak
Play
Analyze
Diagnose
Train
Improve
Develop Your Chess
Why did
you lose?
Paste one Chess.com or Lichess game. Get the three decisions that mattered—and a short workout built from your weaknesses.
Guided lessons
Build the skill.
Understand the move.
Follow 270 coached lessons through the skill tree. Each position teaches an idea you can use in your own games.
The 270-lesson skill tree
Guided lessons with coaching.
Work through focused positions and full-game reviews, each with a reusable lesson.
0/ 270 complete
Solve all positions to advance the skill and unlock more of the path.
One game. Three reasons.
Paste the game you want to understand.
Copy its PGN from Chess.com or Lichess. We ignore harmless engine preferences and focus on decisions you can learn from.
Don’t have a game handy?
Try a guided lesson instead →
Position notebook
Preview a position.
Paste a FEN to put the position on the board.
Guided foundations
Your Chess Skill Tree
Use guided lessons and puzzle sets when you do not have a game to import.
Saved on this device
Pattern vision
0%TACTICS
Better positions
0%STRATEGY
Strong starts
0%OPENINGS
Resilient play
0%DEFENSE
Finish precisely
0%ENDGAMES
Board decisions
0%PRACTICAL PLAY
Interactive game lesson
Find 3 better moves.
Your game report
Personal training session
Your 5-minute workout
Built from the weakness in this game.