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Go Terminology

Learning Go terminology helps you understand game commentaries and communicate with other players.

Board Terminology

Important Board Positions

TermPositionDescription
TengenCenter of the boardThe 10-10 intersection on a 19x19 board
Star point (Hoshi)Black dots near the four cornersPosition 4 lines from each edge (4,4)
KomokuCommon corner opening pointPosition (3,4) or (4,3)
San-san (3-3)Deepest corner pointPosition (3,3), directly takes the corner
MokuhazushiHigher corner positionPosition (3,5) or (5,3)
TakamokuHigh corner positionPosition (4,5) or (5,4)

Board Regions

TermDescription
CornerFour corner areas of the board, typically within the 4th line
SideEdge areas between corners
CenterCentral area of the board, also called "the middle"

Line Heights

TermDescription
First lineThe outermost edge line (death line)
Second lineThe second line (losing line)
Third lineThe third line (territory line)
Fourth lineThe fourth line (influence line)
Proverb

"The first line leads to death, the second line brings loss" - The first and second lines are disadvantageous positions.


Playing Terminology

Basic Actions

TermDescription
PlayPlace a stone on the board
CaptureRemove opponent stones that have no liberties
SacrificeDeliberately abandon certain stones
TermDescription
AtariReduce opponent's stones to one liberty
Double atariPut two groups in atari simultaneously; opponent can only save one
Ladder (Shicho)Continuous atari where the opponent cannot escape
Net (Geta)Loosely block the opponent; they're captured whether they run or not

Stone Movement Patterns

TermDescriptionShape
Extend (Nobi)Connect along a straight lineLinear extension
Jump (Tobi)Skip one space on the same lineOne empty point between
Knight's move (Keima)Diagonal move with one space gapLike chess knight
Large knight's move (Ogeima)Diagonal move, farther distanceFarther than keima
Diagonal (Kosumi)Diagonally adjacentSlanted connection
One-space jump (Ikken-tobi)One space gap on same lineHorizontal or vertical

Contact Move Terminology

TermDescription
HanePlay at opponent stone's diagonal
Cut (Kiri)Sever opponent's connection
Connect (Tsugi)Join your own stones together
Block (Osae)Block opponent's path
Pincer (Hasami)Squeeze opponent from both sides
Attach (Tsuke)Play directly adjacent to opponent's stone
Lean (Yose)Play close, usually beside opponent's stone
Press (Oshi)Press down from above, making opponent low
Underneath (Sashi)Play underneath opponent's stone
Placement (Oki)Play at a key point (often at eye space or vital point)
Peep (Nozoki)Play threatening a weak point

Shape Terminology

Good Shapes

TermDescription
Tiger's mouth (Tobi)Two stones diagonal with one empty point between
Bamboo jointTwo-stone connection basic shape
Thick (Atsui)Shape without weaknesses, very solid
Light (Karui)Flexible shape, not afraid of attack

Basic Concepts

TermDescription
EyeEmpty point surrounded by your own stones
Liberty (Iki)Empty points around stones (lifeline)
Cutting pointWeak point in stone connections that could be cut
ConnectionStones joined as one unit

Bad Shapes

TermDescription
Empty triangleThree stones forming empty triangle, classic bad shape
Heavy (Omoi)Inefficient shapes
ClumpedStones crowded together, inefficient
SplitShape divided, vulnerable to attack

Game Terminology

Move Order

TermDescription
SenteAfter playing, you maintain initiative
GoteAfter playing, opponent takes initiative
TenukiLeave a local position incomplete, play elsewhere
Sente profitGains obtained with sente

Game Phases

TermDescription
Opening (Fuseki)Opening phase, both sides claim key points
Middle gameMost intense fighting phase
Endgame (Yose)Final phase, settling borders
CountingPerforming endgame, finalizing borders

Position Evaluation

TermDescription
AheadLeading position
BehindTrailing position
Close gamePosition with small margin
Whole boardMoves or judgments affecting the entire position

Game Results

TermDescription
Black wins by X pointsBlack wins by X points
White wins by X pointsWhite wins by X points
Draw (Jigo)Equal points (very rare)
ResignationWin without counting (opponent resigns)

Advanced Terminology

These terms are frequently encountered in advanced study:

TermDescription
JosekiFixed optimal exchange sequences in the opening
TesujiClever technique, brilliant move
Vulgar moveOrdinary, inefficient play
Slow moveNot urgent enough, giving opponent advantage
Vital pointEssential position that must be played immediately
Big pointHigh-value position
ThicknessSolid influence with external power
TerritoryDefinite surrounded area
Framework (Moyo)Potential territory not yet complete
Learning Advice

You don't need to memorize all terminology at once. We recommend first becoming familiar with basic terms in "Playing Terminology," then gradually learning others through actual games.