Knowledge profile
Each skill is scored by how often you apply it. The percentage is mapped onto a 0โ10 scale.
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Tactical motifs
Motif classifier, from simple to advanced.
Basic
Easy
Advanced
Expert
Master
Strategy
Positional themes: pawn structure, lines, pieces, planning. Same scale โ successful applications mapped onto 0โ10.
Pawn structure
- Isolated pawnโ
- Doubled pawnsโ
- Backward pawnโ
- Hanging pawnsโ
- Passed pawnโ
- Pawn majorityโ
Lines and squares
- Open fileโ
- Half-open fileโ
- Seventh rankโ
- Long diagonalโ
- Outpostโ
- Weak squareโ
Pieces
- Bishop pairโ
- Bad bishopโ
- Knight versus bishopโ
- Blockadeโ
- Piece activityโ
- Choosing exchangesโ
Plan and king
- Control of the centreโ
- Space advantageโ
- King safetyโ
- Opposite-side castlingโ
- Pawn stormโ
- Prophylaxisโ
Openings
The main named openings. Scores will appear once the review starts tracking how you play them.
Open games (1.e4 e5)
- King's pawn game C50โ
- Ruy Lopez C60โ
- Scotch game C45โ
- King's gambit C30โ
- Petrov C42โ
- Four knights C47โ
- Philidor C41โ
Semi-open (1.e4)
Closed (1.d4)
- Queen's Gambit Declined D30โ
- QGA D20โ
- QGD Slav D10โ
- Nimzo-Indian E20โ
- King's Indian Defence E60โ
- Gruenfeld D80โ
- Dutch A80โ
- Queen's Indian Defence E12โ
Flank openings
- English A10โ
- Zukertort A04โ
- Bird A02โ
- Zukertort A07โ
Endgames
Endgame types and typical techniques. Same scale: successful applications mapped onto 0โ10.
Endgame types
- Pawn endingโ
- Knight endingโ
- Bishop endingโ
- Opposite-coloured bishopsโ
- Bishop versus knightโ
- Rook endingโ
- Rook versus minor pieceโ
- Queen endingโ
- Queen and rookโ
Endgame techniques
- Oppositionโ
- Triangulationโ
- Zugzwangโ
- Square of the pawnโ
- Pawn breakthroughโ
- Shoulderingโ
- Lucena positionโ
- Philidor positionโ
- Corresponding squaresโ
- Stalemate ideasโ
Mating a lone king
Mate technique with a given piece set while the opponent has only a king left.
- Two rooksโ
- Queen and rookโ
- Rookโ
- Queenโ
- Two bishopsโ
- Bishop and knightโ