S. Korea’s top Go player Shin Jin-seo becomes first pro to beat KataGo

South Korea’s top-ranked Go player Shin Jin-seo pulled off a victory over artificial intelligence program KataGo on Sunday, becoming the first professional player to do so. The 26-year-old clinched a 4.5-point victory over KataGo after a grueling five-hour match. It was the second game of the three-match series that kicked off on Friday in Seoul. Although Shin began the match with a two-stone head start, the victory made him the first professional player to defeat KataGo in an official match. U