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Taraguchi opening rule is a renju opening rule. It was proposed by Yusui Yamaguchi as an advancement of a Tarannikov opening rule and therefore it was named with a combination of these two names. [1] It has an enhancement, Taraguchi-N opening rule. [2]
The choice 1 (after the 4th move):
The choice 2 (after the 4th move):
This rule offers a good variety of playable variants in the openings that aren't playable by Yamaguchi opening rule like 13D, 13I, 12D, 10D.
On the other hand, this rule limits playable openings to those that don't have five winning fifth moves, so 2D, 2I and some other openings become unavailable. The Taraguchi-N opening rule solves this problem.
Taraguchi-N opening rule is an advancement of Taraguchi opening rule. After the white player puts the 4th move, the black player can put N alternative 5th moves anywhere on the board (instead of the default N=5 in the original Taraguchi rule). [2]
Compared to the default Taraguchi opening rule, this rule limits playable openings to those which don't have N winning 5th moves. Having N big enough (10 for instance) all the playable 5-move positions are available.
Taraguchi-N opening rule was accepted by the Renju International Federation (RIF) in 2011 in the General Assembly. [3]
This opening rule is official opening rule for Renju World Championship via Correspondence being held in 2012, European Championships since 2010 and some minor international tournaments. [4]
Gomoku, also called Five in a Row, is an abstract strategy board game. It is traditionally played with Go pieces on a Go board. It is played using a 15×15 board while in the past a 19×19 board was standard. Because pieces are typically not moved or removed from the board, gomoku may also be played as a paper-and-pencil game. The game is known in several countries under different names.
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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 chess variants; for a list of terms general to board games, see Glossary of board games.
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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.
Connect6 introduced in 2003 by Professor I-Chen Wu at Department of Computer Science and Information Engineering, National Chiao Tung University in Taiwan, is a two-player strategy game similar to Gomoku.
Yamaguchi opening rule is a renju opening rule. It was developed by Japanese player Yusui Yamaguchi.
RIF opening rule is a renju opening rule. It was adopted by the Renju International Federation (RIF) in 1996 as an upgrade to Swap opening rule and was an official rule for Renju World Championships from 1996 till 2008.
Soosõrv opening rule is a renju opening rule. It was proposed by Estonian player Ants Soosõrv.
Swap opening rule is a renju opening rule. It was adopted by RIF in the late 80s and was an official rule for Renju World Championships from 1989 till 1995.
Renju opening pattern is a Renju position with 3 moves made. All debut classifications in Renju are based on patterns.
Hostage chess is a chess variant invented by John A. Leslie in 1997. Captured pieces are not eliminated from the game but can reenter active play through drops, similar to shogi. Unlike shogi, the piece a player may drop is one of their own pieces previously captured by the opponent. In exchange, the player returns a previously captured enemy piece which the opponent may drop on a future turn. This is the characteristic feature of the game.
There are several world championships in Renju organized by the Renju International Federation, including World Championship, Women World Championships, Team World Championships, Youth World Championships and Correspondence World Championships.
