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Introduction

Part of a Staunton chess set
Left to right: white king, black rook, black queen, white pawn, black knight, white bishop

Chess is a board game between two players. It is sometimes called international chess or Western chess to distinguish it from related games, such as xiangqi (Chinese chess) and shogi (Japanese chess). The current form of the game emerged in Spain and the rest of Southern Europe during the second half of the 15th century after evolving from chaturanga, a similar but much older game of Indian origin. Today, chess is one of the world's most popular games, played by millions of people worldwide.

Chess is an abstract strategy game and involves no hidden information. It is played on a chessboard with 64 squares arranged in an eight-by-eight grid. At the start, each player controls sixteen pieces: one king, one queen, two rooks, two bishops, two knights, and eight pawns. The player controlling the white pieces moves first, followed by the player controlling the black pieces. The object of the game is to checkmate the opponent's king, whereby the king is under immediate attack (in "check") and there is no way for it to escape. There are also several ways a game can end in a draw.

Organized chess arose in the 19th century. Chess competition today is governed internationally by FIDE (the International Chess Federation). The first universally recognized World Chess Champion, Wilhelm Steinitz, claimed his title in 1886; Magnus Carlsen is the current World Champion. A huge body of chess theory has developed since the game's inception. Aspects of art are found in chess composition, and chess in its turn influenced Western culture and art, and has connections with other fields such as mathematics, computer science, and psychology. (Full article...)

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A proof game is a type of retrograde analysis chess problem. The solver must construct a game starting from the initial chess position, which ends with a given position (thus proving that that position is reachable) after a specified number of moves. A proof game is called a shortest proof game if no shorter solution exists. In this case the task is simply to construct a shortest possible game ending with the given position.

When published, shortest proof games will normally present the solver with a diagram - which is the final position to be reached - and a caption such as "SPG in 9.0". "SPG" here is short for "shortest proof game" and the "9.0" indicates how many moves must be played to reach the position; 9.0 means the position is reached after black's ninth move, 7.5 would mean the position is reached after seven and a half moves (that is, after white's eighth move) and so on. Sometimes the caption may be more verbose, for example "Position after white's seventh move. How did the game go?". (Full article...)
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FIDE world ranking

Rank Rank change* Player Rating Rating change*
1 Magnus Carlsen 2859
2 Ding Liren 2811
3 Ian Nepomniachtchi 2793
4 Alireza Firouzja 2785
5 Hikaru Nakamura 2768
6 Fabiano Caruana 2766
7 Anish Giri 2764
8 Wesley So 2760
9 Viswanathan Anand 2754
10 Sergey Karjakin 2747
11 Teimour Radjabov 2747
12 Alexander Grischuk 2745
13 Leinier Dominguez 2743
14 Shakhriyar Mamedyarov 2740
15 Richard Rapport 2740
16 Maxime Vachier-Lagrave 2737
17 Levon Aronian 2735
18 Vidit Santosh Gujrathi 2730
19 Jan-Krzysztof Duda 2729
Dmitry Andreikin 2729
1 Yu Yangyi 2729 1
*Change from the previous month
This following chess-related articles is a most visited articles of WikiProject Chess, See complete list at Wikipedia:WikiProject Chess/Popular pages.

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Chess from A to Z

Index: A B C D E F G H I J K L M N O P Q R S T U V W X Y Z (0–9)
Glossary: A B C D E F G H I J K L M N O P Q R S T U V W X Y Z

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