In the improbable back-to-back victories by Hans Niemann in the Sinquefield Cup 2022, his endgame "play" was extraordinary in both games against more highly rated opponents, before stricter controls against possible cheating were installed by the tournament organizers. | In the improbable back-to-back victories by Hans Niemann in the Sinquefield Cup 2022, his endgame "play" was extraordinary in both games against more highly rated opponents, before stricter controls against possible cheating were installed by the tournament organizers. |