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Glossary
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Blunder, Mistake, or Inaccuracy?
A blunder changes the evaluation dramatically; a mistake is smaller, and an inaccuracy misses a better chance without necessarily losing.
Glossary · previewCalculation and Visualization
Calculation is the disciplined analysis of concrete variations; visualization is keeping the changing position accurate in your mind.
Glossary · previewWhat Is a Fianchetto?
A fianchetto develops a bishop to g2, b2, g7 or b7 after moving the neighboring knight pawn.
Glossary · previewWhat Is a Gambit?
A gambit offers material—usually a pawn—for development, central control or attacking time.
Glossary · previewThe Initiative
The initiative is the ability to pose threats that make the opponent respond.
Glossary · previewOpposition in King Endgames
Opposition describes kings facing each other with an odd number of squares between them so the side not moving often controls entry.
Glossary · previewPassed Pawns
A passed pawn has no opposing pawn on its file or adjacent files able to stop its advance directly.
Glossary · previewProphylaxis in Chess
Prophylaxis means anticipating and limiting the opponent's plan before pursuing your own.