Chess is a board game for two players, played on a square board consisting of 64 squares arranged in an 8×8 grid. The players, referred to as "White" and "Black", each control sixteen pieces: one king, one queen, two rooks, two bishops, two knights, and eight pawns, with each piece type having a different pattern of movement. An enemy piece may be captured (removed from the board) by moving one's own piece onto the square it occupies. The objective of the game is to checkmate (threaten with inescapable capture) the enemy king. There are also several ways a game can end in a draw.
The recorded history of chess dates back to the emergence of chaturanga in 7th-century India. Chaturanga is also thought to be an ancestor of similar games like janggi, xiangqi, and shogi. After its introduction to Persia, it spread to the Arab world and then to Europe. The modern rules of chess emerged in Europe at the end of the 15th century, becoming standardized and gaining universal acceptance by the end of the 19th century. Today, chess is one of the world's most popular games, with millions of players worldwide.
Organized chess arose in the 19th century. International chess competitions today are governed by FIDE (French: Fédération Internationale des Échecs, 'International Chess Federation'). The first universally recognized World Chess Champion, Wilhelm Steinitz, claimed his title in 1886; Gukesh Dommaraju is the current World Champion, having won the title in 2024. (Full article...)
The rook and pawn versus rook endgame is a fundamentally important, widely studied chess endgame. Precise play is usually required in these positions. With optimal play, some complicated wins require sixty moves to either checkmate, capture the defending rook, or successfully promote the pawn. In some cases, thirty-five moves are required to advance the pawn once.
The play of this type of ending revolves around whether or not the pawn can be promoted, or if the defending rook must be sacrificed to prevent promotion. If the pawn promotes, that side will have an overwhelming material advantage. If the pawn is about to promote, the defending side may give up their rook for the pawn, resulting in an easily won endgame for the superior side (a basic checkmate). In a few cases, the superior side gives up their rook in order to promote the pawn, resulting in a winning queen versus rook position (see Pawnless chess endgame § Queen versus rook). (Full article...)
| Rank | Player | Rating |
|---|---|---|
| 1 | 2823 | |
| 2 | 2792 | |
| 3 | 2784 | |
| 4 | 2782 | |
| 5 | 2780 | |
| 6 | 2770 | |
| 7 | 2763 | |
| 8 | 2761 | |
| 9 | 2758 | |
| 10 | 2757 | |
| 11 | 2752 | |
| 12 | 2746 | |
| 13 | 2741 | |
| 14 | 2739 | |
| 15 | 2732 | |
| 16 | 2732 | |
| 17 | 2731 | |
| 18 | 2728 | |
| 19 | 2725 | |
| 20 | 2723 |
| 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 |
The following Wikimedia Foundation sister projects provide more on this subject: