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a Romanian chess player <ref>[http://www.365chess.com/players/Arpad_Rusz Arpad Rusz chess games - 365Chess.com]</ref> and [[:Category:Chess Composer|chess endgame study composer]] <ref>[http://www.magyarsakkszerzok.com/Study_Award_MSV_2006.pdf Informal Tourney "Magyar Sakkvilag – 2006" The award and the judgement report A/ General category B/ Database category] (pdf)</ref> . He contributed along with [[Guy Haworth]] on '''Position Criticality''' in Chess Endgames at the [[Advances in Computer Games 13]] conference in [https://en.wikipedia.org/wiki/Tilburg Tilburg] <ref>[[Guy Haworth|Guy McCrossan Haworth]], [[Árpád Rusz]] ('''2011'''). ''Position Criticality in Chess Endgames''. [[Advances in Computer Games 13]]</ref> , demonstrating the implementation of their algorithm to help analyze uniqueness in endgame positions objectively with a chess variant called [[Starchess]] <ref>[http://www.polgarstarchess.com/Home/ENHome.html Polgar Starchess]</ref> , invented by [https://en.wikipedia.org/wiki/L%C3%A1szl%C3%B3_Polg%C3%A1r László Polgár] in 2002, which has a star-shaped board of 37 [https://en.wikipedia.org/wiki/Hexagon hexagons] <ref>[http://polgarstarchess.blogspot.com/ Polgar Superstar Chess (Starchess)]</ref>.