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Connect6, Connect(m,n,6,2,1)
a two-player abstract strategy board game of the k-in-a-row family similar to Gomoku, introduced in 2003 by I-Chen Wu and presented at Advances in Computer Games 11 in 2005. Black and White alternately place two stones of their own colour on empty intersections of a Go-like board, except that Black (the first player) places one stone only for the first move [1]. The one who gets six or more stones in a row (horizontally, vertically or diagonally) first wins the game. Most often, Connect6 is played on a 19x19 Go board, proposed for professional players is a 59x59 board [2]. Since 2006, Connect6 is played regularely by computers at the Computer Olympiad organized by the ICGA [3]. Search algorithms used are Alpha-Beta / MTD(f) along with VCF search (Victory by Continuous Four) to find a path to win in the endgame [4], and Monte-Carlo Tree Search, UCT, as well as Proof-number search also in conjunction with the novel relevance-zone-oriented proof (RZOP) search used to solve various openings, such as the Mickey Mouse opening [5].
Connect6 on a large board [6]

Selected Programs


Computer Olympiads

See also

Selected Publications

2005 ...


2010 ...


2015 ...

External Links


  1. ^ Connect6 from Wikipedia
  2. ^ Introduction to Connect6
  3. ^ Connect6 (ICGA Tournaments)
  4. ^ MoreThenFive (ICGA Tournaments)
  5. ^ I-Chen Wu, Ping-Hung Lin (2010). Relevance-Zone-Oriented Proof Search for Connect6. IEEE Transactions on Computational Intelligence and AI in Games, Vol. 2, No. 3
  6. ^ A game of Connect6 played on a large white board, originally posted to Flickr as Closeup of a Connect 6 game by Nelson Pavlosky, January 18, 2007, CC BY-SA 2.0, Wikimedia Commons, Connect6 from Wikipedia
  7. ^ GitHub - lang010/ConnectMore: ConnectMore is a UI for Cloudict of the game Connect6, written by Python 3

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