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gambit

In chess, a gambit is an opening in which a player offers material, usually a pawn, to gain a positional or developmental advantage.

Noun strategic_tactic Level 1202
grandmaster

In chess, a grandmaster is a player who has earned the highest standard title awarded by the international chess federation.

Noun participant_role Level 1202
king

In chess, the king is the piece a player must protect from checkmate; if it is checkmated, that player loses the game.

Noun small_movable_object Level 1202
knight

In chess, a knight is a horse-shaped piece that moves two squares in one direction and then one square at a right angle, and can jump over other piece...

Noun small_movable_object Level 1202
mate

In chess, a short form of checkmate: a position in which a player's king is under attack and has no legal move to escape.

Noun rule_defined_event Level 1202
middlegame

The middlegame is the phase of a chess game after the opening, when players develop plans and fight for advantage before the endgame.

Noun time_period Level 1202
opening

The opening is the first phase of a chess game, when players develop their pieces and compete for control of the center.

Noun time_period Level 1202
pawn

In chess, the weakest and most numerous piece, which usually moves forward one square and captures one square diagonally forward.

Noun small_movable_object Level 1202
perpetual check

In chess, a perpetual check is a repeated series of checks that prevents the opponent from escaping or winning, usually leading to a draw.

Noun rule_defined_event Level 1202
pin

In chess, a pin is a situation in which a piece cannot move without exposing a more valuable piece behind it to attack.

Noun rule_defined_event Level 1202
promote

In chess, to promote is to move a pawn to the farthest rank and replace it with a queen, rook, bishop, or knight of the same color.

Verb rule_defined_action Level 1202
promotion

In chess, promotion is the rule that lets a pawn reaching the last rank become a queen, rook, bishop, or knight.

Noun rule_defined_event Level 1202
queen

The most valuable or important piece in chess, able to move any number of squares horizontally, vertically, or diagonally.

Noun small_movable_object Level 1202
rank

In chess, a rank is a horizontal row of eight squares on the board, numbered from 1 to 8.

Noun spatial_division Level 1202
rook

In chess, the rook is a piece that moves any number of squares horizontally or vertically, provided no piece blocks its path.

Noun small_movable_object Level 1202
sacrifice

In chess, a sacrifice is the deliberate giving up of a piece or pawn to gain a positional, tactical, or material advantage.

Noun strategic_tactic Level 1202
skewer

In chess, a skewer is an attack on a valuable piece that forces it to move, exposing a less valuable piece behind it to capture.

Noun strategic_tactic Level 1202
stalemate

In chess, a stalemate is a position in which the player to move has no legal move and their king is not in check, so the game ends in a draw.

Noun rule_defined_event Level 1202
tempo

In chess, a tempo is the time or move advantage a player gains or loses, often by making a move that forces the opponent to respond.

Noun quantitative_concept Level 1202
threefold repetition

In chess, a draw claim or draw condition that occurs when the same position, with the same player to move and the same possible moves, appears three t...

Noun rule_defined_event Level 1202
time control

In chess, the time control is the amount of time each player is allowed for a game or for a specified number of moves.

Noun quantitative_concept Level 1202
zugzwang

In chess, a position in which a player is forced to make a move, but every legal move worsens their position.

Noun rule_defined_event Level 1202
advantage

In tennis, advantage is the position a player gains by winning the point immediately after deuce, leaving them one point from winning the game.

Noun rule_defined_event Level 1203
approach shot

A shot in tennis hit while moving toward the net, usually to set up a volley or put the opponent under pressure.

Noun performance_technique Level 1203
ball boy

In tennis, a person who retrieves balls and supplies them to players during a match.

Noun participant_role Level 1203
ball girl

In tennis, a ball girl is a young person who retrieves balls and helps keep play moving during a match.

Noun participant_role Level 1203
break

In tennis, to break is to win a game while the opponent is serving.

Verb rule_defined_action Level 1203
break point

In tennis, a break point is a point on which the receiver can win the game and break the server’s serve.

Noun rule_defined_event Level 1203
clay court

A tennis court whose playing surface is made of crushed brick, stone, or similar loose material.

Noun place_name Level 1203
deuce

In tennis, deuce is a score of 40–40, when a player must win two consecutive points to win the game.

Noun rule_defined_event Level 1203
double fault

In tennis, a double fault occurs when a player fails to serve the ball legally on both attempts, losing the point.

Noun rule_defined_event Level 1203
drop shot

In tennis, a drop shot is a softly hit shot intended to land just over the net, making it difficult for the opponent to reach.

Noun performance_technique Level 1203
fault

In tennis, a fault is a serve that fails to land in the correct service box.

Noun rule_defined_event Level 1203
foot fault

In tennis, a foot fault is a serving fault called when the server steps on or over the baseline before hitting the ball.

Noun rule_defined_event Level 1203
grass court

In tennis, a grass court is a playing surface covered with grass, on which the ball tends to bounce low and quickly.

Noun place_name Level 1203
groundstroke

A groundstroke is a tennis shot hit after the ball has bounced, usually from near the baseline.

Noun performance_technique Level 1203
hard court

A hard court is a tennis court with a firm, even surface, usually made of asphalt or concrete and covered with an acrylic layer.

Noun place_name Level 1203
let

In tennis, a let is a serve that touches the net but lands in the correct service court, so the server must serve again.

Noun rule_defined_event Level 1203
lob

In tennis, a lob is a shot hit in a high arc over an opponent, usually to land behind them.

Noun performance_technique Level 1203
love

In tennis, love is a score of zero points in a game.

Noun quantitative_concept Level 1203
passing shot

In tennis, a shot hit past an opponent who is near the net, landing in the court beyond their reach.

Noun performance_technique Level 1203
racket

In tennis, a racket is a frame with strings stretched across it that a player uses to hit the ball.

Noun tool Level 1203
return

In tennis, to hit the ball back after an opponent serves it.

Noun performance_technique Level 1203
service box

In tennis, a service box is one of the two marked areas on either side of the net into which a serve must land.

Noun spatial_division Level 1203
service line

In tennis, the service line is the line across each side of the court that marks the back of the service box.

Noun spatial_division Level 1203
slice

In tennis, a slice is a shot struck with a downward brushing motion that gives the ball backspin.

Noun performance_technique Level 1203
unforced error

In tennis, an unforced error is a mistake a player makes on a shot they could reasonably have returned or played successfully without exceptional pres...

Noun rule_defined_event Level 1203
ball

In baseball, a ball is a pitch that is outside the strike zone and that the batter does not swing at.

Noun rule_defined_event Level 1204
base

In baseball, one of the four marked stations that a runner must touch while advancing around the field.

Noun spatial_division Level 1204
batter

In baseball, the batter is the player currently taking a turn at the plate to try to hit a pitch.

Noun participant_role Level 1204