Fig. 1.Participants at the Hex competitions. From left, Masahito Yamamoto, You RunZe, Noah Weninger, Kei Takada, Ryan Hayward, Ma Shengjie and Wu Tong.1.The tournamentsThere were two Hex tournaments at the 2017 Olympiad: board size 11x11 and board size 13x13. Three programs competed in each tournament. These are at present the only annual computer Hex tournaments. 11x11 is the original board size introduced by Piet Hein in 1942. Recently, all 1-move openings on 9x9 Hex have been solved by computers, as have two 10x10 openings (Pawlewicz and Hayward, 2013). So, in recent years the 13x13 competition, a preferred size in the Little Golem online Hex community (Malaschitz, 2009), was introduced.The 11x11 contestants were Hexcited by Ma Shengjie from China, Ezo-CNN by Kei Takada, supervised by Masahito Yamamoto from Japan, and MoHex by Broderick Arneson, Ryan Hayward, Philip Henderson, Aja Huang, Jakub Pawlewicz, Noah Weninger, and Kenny Young from Canada. The 13x13 contestants were Hexcellent by Wu Tong from China, Ezo-CNN, operated by You RunZe and (another, no relation) Wu Tong from China, and MoHex-CNN by Chao Gao and the MoHex authors from Canada.MoHex (Huang et al., 2014), the winner of the previous seven Olympiad Hex competitions (Hayward et al., 2013), is an MCTS program that uses the
ICGA Journal – IOS Press
Published: Jan 1, 2018
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