Rybka case "greatest injustice perpetrated in computer chess history" (Part 1)

On June 28, 2011 the International Computer Games Association (ICGA) announced that IM Vasik Rajlich, the author of then-leading chess program Rybka, had been stripped of four consecutive computer chess world championship titles he had won in 2007-2010. Rajlich was found guilty of plagiarizing, and banned for life from ICGA events.