Hans Niemann made his first appearance since an investigation found that he had cheated in more than 100 online games. Niemann defeated 15-year-old Christopher Yoo in the opening round of the US Chess Championship at Saint Louis Chess Club. He spoke for less than a minute in the post-game interview, insisting he is ‘not going to back down’ amid the allegations of foul play and instead, he insists, ‘the game will speak for itself’