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This glossary of chess explains commonly used terms in chess, in alphabetical order.Some of these terms have their own pages, like fork and pin.For a list of unorthodox chess pieces, see Fairy chess piece; for a list of terms specific to chess problems, see Glossary of chess problems; for a list of named opening lines, see List of chess openings; for a list of chess-related games, see List of ...
In chess, an exchange [1] or trade of chess pieces is a series of closely related moves, typically sequential, in which the two players capture each other's pieces. Any type of pieces except the kings may possibly be exchanged, i.e. captured in an exchange, although a king can capture an opponent's piece.
For example, in a directmate, set play consists of lines of play starting with a Black move (rather than a White move). When set play exists, the key move may be something that does not change the set play lines, in which case the problem is a complete block, or the lines in the set play may change, in which case the problem is a mutate.
The computer may make a poor move because it is unable to see the consequences even one ply beyond its maximum search depth. The horizon effect was a major problem in the early years of computer chess, but it is less of an issue today as modern chess engines can search many moves deep even in complex positions. See horizon effect. iterative ...
This article uses algebraic notation to describe chess moves. The opening was analyzed by Ruy López in his 1561 book, but has never been popular. It was played 17 times in the New York 1889 tournament by the Canadian master Nicholas MacLeod [ 1 ] but has otherwise arisen rarely in tournament play.
A seriesmover is a chess problem in which one side makes a series of legal moves without reply at the end of which the other side makes a single move, giving checkmate or yielding stalemate, depending on the precise stipulation. [1] Checks cannot be given except on the last move of the series. There are various types of seriesmover:
Penn State could earn No. 6 seed in the College Football Playoff bracket, without playing the Big Ten championship game. Now, that's a chess move.
The Franco-Indian Defence (also Horwitz Defence) is a chess opening defined by the moves: . 1. d4 e6. This response to White's 1.d4 is so named "because it may lead to the French Defence, or to one of the Indian Defences; it may, however, take a different course."