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Opening book is often used to describe the database of chess openings given to computer chess programs (and related games, such as computer shogi). Such programs are quite significantly enhanced through the provision of an electronic version of an opening book. This eliminates the need for the program to calculate the best lines during ...
A Closed Game (or Double Queen's Pawn Opening) is a chess opening that begins with the moves: . 1. d4 d5. The move 1.d4 offers the same benefits to development and center control as does 1.e4, but unlike with the king's pawn openings where the e4-pawn is undefended after the first move, the d4-pawn is protected by White's queen.
A chess engine generates moves, but is accessed via a command-line interface with no graphics. A dedicated chess computer has been purpose built solely to play chess. A graphical user interface (GUI) allows one to import and load an engine, and play against it. A chess database allows one to import, edit, and analyze a large archive of past games.
On July 27, 2023, Roblox was released as a public beta for the Quest 2 and Meta Quest Pro. [3] The beta was downloaded over one million times within five days. [ 76 ] In September 2023, it was announced that Roblox would be made available on the PlayStation the following month, with the Meta Quest versions being made publicly available later in ...
This is a list of chess openings, organised by the Encyclopaedia of Chess Openings (ECO) code classification system.The chess openings are categorised into five broad areas ("A" through "E"), with each of those broken up into one hundred subcategories ("00" through "99").
The opening is the initial stage of a chess game. It usually consists of established theory.The other phases are the middlegame and the endgame. [1] Many opening sequences, known as openings, have standard names such as "Sicilian Defense".
An Open Game (or Double King's Pawn Opening) is a generic term for a family of chess openings beginning with the moves: 1. e4 e5. White has moved the king's pawn two squares and Black has replied in kind. The result is an Open Game. Other responses to 1.e4 are termed Semi-Open Games or Single King's Pawn Games.
The remaining semi-closed openings are uncommon. The Polish Defense has never been very popular but has been tried by Spassky, Ljubojević, and Csom, among others.The Queen's Knight Defense is an uncommon opening that often transposes to the Nimzowitsch Defence after 1.d4 Nc6 2.e4 or the Chigorin Defense after 2.c4 d5, although it can lead to unique lines, for example after 1.d4 Nc6 2.d5 or 2 ...