Using engines

A visual application that lets users control chess software through a board, controls, and panels instead of text commands.

A chess-analysis program that runs on the user's own device and uses that machine's processor and memory.

A chess-analysis program that performs its calculations on a remote computer and returns the results over a network.

The move sequence a chess-analysis program currently considers the best continuation for both sides from a position.

An analysis mode that displays several candidate moves with a line and evaluation for each one.

An indicator of how far a chess engine's current search has progressed from the position being analyzed.

A measure of how many positions a chess engine processes per second during search.

A mode in which an engine searches while the opponent's clock runs, usually from a predicted reply.