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Shogi, also known as Japanese chess or the Game of Generals, is a two-player strategy board game that is the Japanese variant of chess. It is the most popular chess variant in Japan. Shōgi means general's board game.
Baroque chess is a chess variant invented in 1962 by Robert Abbott. In 1963, at the suggestion of his publisher, he changed the name to Ultima, by which name it is also known. Abbott later considered his invention flawed, and suggested amendments to the rules, but these suggestions have been substantially ignored by the gaming community, which continues to play by the 1962 rules. Since the rules for Baroque were first laid down in 1962, some regional variation has arisen, causing the game to diverge from Ultima.
Tori shōgi is a variant of shogi, which was invented by Toyota Genryu in 1799 despite being traditionally attributed to his master Ōhashi Sōei. It was first published in 1828 and again in 1833. The game is played on a 7×7 board and uses the drop rule; it is the only traditional shogi variant, possibly besides wa shogi, to do so. This is one of the more popular shogi variants. There were tournaments in London and Royston in the 1990s and early 2000s.
Chu shogi is a strategy board game native to Japan. It is similar to modern shogi in its rules and gameplay. Its name means "mid-sized shogi", from a time when there were three sizes of shogi variants that were regularly being played. Chu shogi seems to have been developed in the early 14th century as a derivative of dai shogi. There are earlier references, but it is not clear that they refer to the game as we now know it.
Yari shogi is a modern variant of shogi ; however, it is not Japanese. It was invented in 1981 by Christian Freeling of the Netherlands. This game accentuates shogi’s intrinsically forward range of direction by giving most of the pieces the ability to move any number of free squares orthogonally forward like a shogi lance. The opposite is true of promoted pieces which can move backward with the same power.
Whale Shogi is a modern variant of shogi. It is not, however, Japanese: it was invented by R. Wayne Schmittberger of the United States in 1981. The game is similar to Judkins shogi, but with more pieces, and the pieces are named after types of whale.
Judkins shogi is a modern variant of shogi, however it is not Japanese. Credit for its invention has been given to Paul Judkins of Norwich, UK, prior to April 1998.
Heian shōgi is a predecessor of modern shogi. Some form of chess almost certainly reached Japan by the 9th century, if not earlier, but the earliest surviving Japanese description of the rules dates from the early 12th century. Unfortunately, this description does not give enough information to actually play the game, but this has not stopped people from attempting to reconstruct this early form of shogi.
Shō shōgi is a 16th-century form of shogi, and the immediate predecessor of the modern game. It was played on a 9×9 board with the same setup as in modern shogi, except that an extra piece stood in front of the king: a 'drunk elephant' that promoted into a prince, which is effectively a second king. While 9×9 may not seem 'small', it was smaller than the other shogi variants prevalent at the time, which were the 12×12 chu shogi and 15×15 dai shogi. According to the Sho Shōgi Zushiki, the drunk elephant was eliminated by the Emperor Go-Nara, and it is assumed that the drop rule was introduced at about the same time, giving rise to shogi as we know it today.
Cannon shogi is a modern variant of shogi. It was invented by Peter Michaelsen in February 1998.
Wa shogi is a large board variant of shogi in which all of the pieces are named for animals. It is played either with or without drops.
Heian dai shogi is an early large board variant of shogi as it was played in the Heian period. The same 12th century document which describes the Heian form of shogi also describes this variant. Unfortunately, this description does not give enough information to actually play the game, but this has not stopped people from attempting to reconstruct this early form of shogi. A fairly complete and playable reconstruction is outlined here.
Dai shogi or Kamakura dai shogi (鎌倉大将棋) is a chess variant native to Japan. It derived from Heian era shogi, and is similar to standard shogi in its rules and game play. Dai shogi is only one of several large board shogi variants. Its name means large shogi, from a time when there were three sizes of shogi games. Early versions of dai shogi can be traced back to the Kamakura period, from about AD 1230. It was the historical basis for the later, much more popular variant chu shogi.
Tenjiku shogi is a large-board variant of shogi. The game dates back to the 15th or 16th century and was based on the earlier chu shogi, which itself was based on dai shogi.
Dai dai shōgi is a large board variant of shogi. The game dates back to the 15th century and is based on the earlier dai shogi. Apart from its size, the major difference is in the range of the pieces and the "promotion by capture" rule. It is the smallest board variant to use this rule.
Maka dai dai shōgi is a large board variant of shogi. The game dates back to the 15th century and is based on dai dai shogi and the earlier dai shogi. The three Edo-era sources are not congruent in their descriptions of the pieces not found in smaller games. Apart from its size and number of pieces, the major difference from these smaller games is the "promotion by capture" rule. A more compact modern proposal for the game is called hishigata shogi.
Kō shōgi is a large-board variant of shogi, or Japanese chess. The game dates back to the turn of the 18th century and is based on xiangqi and go as well as shogi. Credit for its invention has been given to Confucian scholar Ogyū Sorai, who also described the rule of the game in his book, Kōshōgifu(廣象棋譜).
Yonin shōgi,, is a four-person variant of shogi. It may be played with a dedicated yonin shogi set or with two sets of standard shogi pieces, and is played on a standard sized shogi board.
Okisaki shogi is a modern variant of shogi. It was developed by Masayuki Nakayachi c. 1996 from suggestions by German chess player Ralph Blockhaus.
The following outline is provided as an overview of and topical guide to chess:
References
- Unashogi The Chess Variant Pages
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| Standard-size variants |
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