Chess Dictionary — D

Terms starting with D (22)

Dancing King Intermediate

The dancing king is an endgame technique in which the king uses short zig-zag or triangular steps to lose a tempo, gain the opposition, avoid stalemate, or reach key squares at the right moment while supporting its own pawns.

Dark Horse Intermediate

In chess, a dark horse is a lower-rated or little-known player who unexpectedly achieves strong results in a tournament.

Dead Draw Intermediate

A dead draw is a position offering neither side any realistic winning chances even against suboptimal defense, typically from insufficient material or blocked structures that prevent all progress.

Decoy Intermediate

A decoy is a tactic that lures an opponent’s piece onto a particular square, often exposing it to capture or diverting it from defending a more important target.

Decoy Sacrifice Intermediate

A decoy sacrifice offers material to lure an enemy piece onto a specific square where it becomes vulnerable to attack or loses its defensive role.

Defensive Wizard Intermediate

A defensive wizard is a player exceptionally skilled at defending difficult positions, parrying attacks, and steering games toward draws or counterplay.

Deflection Intermediate

Deflection is a tactic that forces an opposing piece to abandon a key square or defensive duty, exposing a weakness the attacker can immediately exploit.

Desperado Intermediate

A desperado is a doomed piece that captures the highest-value enemy unit reachable before it is taken.

Development Beginner

Development is the process of moving your pieces off their starting squares to active positions where they control more space and support your plans.

Diagonal Beginner

A diagonal is a straight line of same-color squares joined corner-to-corner, along which bishops and queens move.

Dim Knight Intermediate

A dim knight is a knight restricted by pawns or pieces to few safe squares, giving it minimal influence on the game.

Dirty Flag Advanced

In chess engine code a dirty flag is a boolean marker that signals cached attack maps or evaluation data must be recomputed after the position changes.

Discord Prep Intermediate

Discord Prep is collaborative analysis and opening preparation done via group chats on Discord servers among club or online team players.

Discovered Attack Beginner

A discovered attack occurs when one piece moves off a line and uncovers an attack from a second piece standing behind it on the same rank, file or diagonal.

Discovered Check Intermediate

A discovered check occurs when one piece moves aside, revealing an attack on the enemy king from a second piece positioned behind it on the same line.

Discovery Intermediate

A discovery is a tactic in which one piece moves off a line, uncovering an attack from a second piece stationed behind it.

Double Check Intermediate

A double check occurs when two pieces simultaneously check the enemy king, most often via a discovered check in which the moving piece also attacks the king.

Dovetail Mate Intermediate

A dovetail mate is a queen mate against a king whose own pieces block its flight squares in a dovetail-like pattern, typically on the edge of the board.

Dragon Variation Intermediate

The Dragon Variation is a sharp Sicilian Defense line where Black fianchettos the king's bishop via an early ...g6, typically after 1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 g6.

Draw Beginner

A draw is a tied chess result in which neither player wins and both receive half a point, arising via stalemate, threefold repetition, the fifty-move rule, insufficient material, or mutual agreement.

Drawing Weapon Intermediate

A drawing weapon is an opening line or variation deliberately chosen to maximize the likelihood of forcing a draw, especially when a half-point is the priority.

Duck Chess Intermediate

Duck Chess is a variant in which players alternate moving a shared, uncapturable duck to any empty square, where it blocks lines of attack and cannot be ignored.