Deep Tide TechFlow News, on August 11, according to Decrypt, OpenAI's o3 model defeated xAI's Grok 4 model with a score of 4:0 in a chess exhibition match at Google's Kaggle Game Arena. World Chess Champion Magnus Carlsen assessed the level of play from both sides as equivalent to amateur beginners, with a rating of about 800 points. The competition rules required the AI models to play without specialized training, and only allowed 4 legal moves per turn; violations would result in an immediate loss.