Notation and standards
Símbolos de análisis
45 termsThis page is temporarily shown in English. Complete localization will be added in a later stage.
45 terms
Explorar temasVer todos los términos
Annotation symbol
Level: IntermediateA compact mark added to analysis to judge a move or summarize the state of a position.
Chess Informant symbol system
Level: IntermediateIt is an international vocabulary of signs that condenses chess comments and assessments without relying on one language.
!
Level: BasicAn annotation stating that the commentator considers a move good.
!!
Level: BasicA strong praise annotation for a move considered exceptional.
?
Level: BasicAn annotation stating that the commentator considers a move bad or mistaken.
??
Level: BasicAn annotation marking a blunder or an extremely poor move.
!?
Level: BasicAn annotation for an interesting or speculative move whose quality remains uncertain.
?!
Level: BasicAn annotation for a questionable move that is probably inferior but not necessarily disastrous.
Better-is annotation symbol
Level: IntermediateThe ⌓ sign introduces an alternative that the annotator considers better than the move or line under discussion.
Only-move annotation symbol
Level: IntermediateThe □ square marks a move the annotator considers the only reasonable choice in the position.
With-the-idea annotation symbol
Level: IntermediateThe triangle △ introduces the intention or continuation that explains the purpose of a move.
Theoretical-novelty annotation symbol
Level: IntermediateThe letter N marks a move presented as new within the known theory of an opening.
Endgame annotation symbol
Level: AdvancedThe ⊥ sign indicates that a variation enters an endgame or that the analysis refers to that phase.
=
Level: IntermediateAn evaluation symbol stating that neither side has a meaningful overall advantage in the position.
⩲
Level: IntermediateAn evaluation symbol showing a small White advantage in a position that remains close to balanced.
⩱
Level: IntermediateAn evaluation symbol showing a small Black advantage in a position that remains close to balanced.
±
Level: IntermediateAn evaluation symbol showing a clear or moderate White advantage, but not a completed win.
∓
Level: IntermediateAn evaluation symbol showing a clear or moderate Black advantage without declaring the game finished.
+−
Level: IntermediateAn evaluation symbol showing a decisive White advantage even though the game has not necessarily ended.
−+
Level: IntermediateAn evaluation symbol showing a decisive Black advantage even though the game has not necessarily ended.
+--
Level: IntermediateAn analysis symbol indicating that White has a crushing advantage in the position.
--+
Level: IntermediateAn analysis symbol indicating that Black has a crushing advantage in the position.
∞
Level: IntermediateAn evaluation symbol for a position that is difficult to judge and offers significant resources to both sides.
Material-compensation annotation symbol
Level: AdvancedThe sign indicates that non-material advantages offset a material deficit to some degree.
Initiative annotation symbol
Level: AdvancedVertical arrows identify the side directing play by creating threats that demand replies.
Attack annotation symbol
Level: IntermediateAn annotation arrow indicates which side has an active attack in the position.
Counterplay annotation symbol
Level: AdvancedOpposing arrows indicate that one side is creating active threats while answering the opponent's pressure.
Development-advantage annotation symbol
Level: AdvancedCurved arrows show that one side has activated its pieces more quickly and effectively.
Zugzwang annotation symbol
Level: AdvancedA glyph marking a position where the obligation to move harms the side whose turn it is.
Time-pressure annotation symbol
Level: AdvancedSigns recording that limited clock time is materially affecting a player's decisions.
Center annotation symbol
Level: AdvancedThe ⊞ sign marks one side's advantage in controlling the central squares.
Space-advantage annotation symbol
Level: AdvancedA circle indicating that one side controls more useful territory and has greater room to maneuver.
Kingside annotation symbol
Level: AdvancedPointed signs mark a control advantage in the half of the board where each king begins.
Queenside annotation symbol
Level: AdvancedA family of signs marking a control advantage on the part of the board called the queenside.
File annotation symbol
Level: AdvancedThe sign highlights a board file that forms an important strategic line.
Diagonal annotation symbol
Level: AdvancedThe ⇗ sign highlights a diagonal that plays an important role in the positional analysis.
Weak-point annotation symbol
Level: AdvancedThe × mark identifies a vulnerable square, pawn, piece, or area that may become a target.
Connected-pawns annotation symbol
Level: AdvancedThe sign identifies pawns belonging to the same side on neighboring files that can operate as a unit.
Separated-pawns annotation symbol
Level: AdvancedA glyph marking friendly pawns that do not form a connected, mutually supporting unit.
Doubled-pawns annotation symbol
Level: AdvancedThe sign marks two or more pawns belonging to the same side on the same file.
Passed-pawn annotation symbol
Level: AdvancedA glyph marking a pawn with no opposing pawns ahead on its file or either neighboring file.
Pawn-count-advantage annotation symbol
Level: AdvancedA symbol indicating that one side has more pawns than the other in the annotated position.
Bishop-pair annotation symbol
Level: AdvancedThe sign indicates that one side has two bishops able to operate on both square colors.
Same-colored-bishops annotation symbol
Level: AdvancedA glyph indicating that the relevant bishops move on squares of the same color.
Opposite-colored-bishops annotation symbol
Level: AdvancedThe sign indicates that the relevant bishops of the two sides travel on opposite square colors.