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Knowledge profile

Each skill is scored by how often you apply it. The percentage is mapped onto a 0โ€“10 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 0โ€“10.

Pawn structure

  • Isolated pawn
    โ€”
  • Doubled pawns
    โ€”
  • Backward pawn
    โ€”
  • Hanging pawns
    โ€”
  • Passed pawn
    โ€”
  • Pawn majority
    โ€”

Lines and squares

  • Open file
    โ€”
  • Half-open file
    โ€”
  • Seventh rank
    โ€”
  • Long diagonal
    โ€”
  • Outpost
    โ€”
  • Weak square
    โ€”

Pieces

  • Bishop pair
    โ€”
  • Bad bishop
    โ€”
  • Knight versus bishop
    โ€”
  • Blockade
    โ€”
  • Piece activity
    โ€”
  • Choosing exchanges
    โ€”

Plan and king

  • Control of the centre
    โ€”
  • Space advantage
    โ€”
  • King safety
    โ€”
  • Opposite-side castling
    โ€”
  • Pawn storm
    โ€”
  • Prophylaxis
    โ€”

Openings

The main named openings. Scores will appear once the review starts tracking how you play them.

Open games (1.e4 e5)

Semi-open (1.e4)

Closed (1.d4)

Flank openings

Endgames

Endgame types and typical techniques. Same scale: successful applications mapped onto 0โ€“10.

Endgame types

  • Pawn ending
    โ€”
  • Knight ending
    โ€”
  • Bishop ending
    โ€”
  • Opposite-coloured bishops
    โ€”
  • Bishop versus knight
    โ€”
  • Rook ending
    โ€”
  • Rook versus minor piece
    โ€”
  • Queen ending
    โ€”
  • Queen and rook
    โ€”

Endgame techniques

  • Opposition
    โ€”
  • Triangulation
    โ€”
  • Zugzwang
    โ€”
  • Square of the pawn
    โ€”
  • Pawn breakthrough
    โ€”
  • Shouldering
    โ€”
  • Lucena position
    โ€”
  • Philidor position
    โ€”
  • Corresponding squares
    โ€”
  • Stalemate ideas
    โ€”

Mating a lone king

Mate technique with a given piece set while the opponent has only a king left.

  • Two rooks
    โ€”
  • Queen and rook
    โ€”
  • Rook
    โ€”
  • Queen
    โ€”
  • Two bishops
    โ€”
  • Bishop and knight
    โ€”