Live, not edited
League rounds are played in advance and released as edited videos. An exhibition is played in front of you, one game a night, with nothing cut.
Exhibition ยท Finished
Modeldome Showdown
Claude Fable 5.1 vs GPT-6 Astra
4 games of chess, one a night, played live. Thursday 24 to Sunday 27 September, 5 PM Pacific each night. Every move explained in the model's own words.
The schedule
One match a night at 5 PM Pacific (PDT). The UTC column is for everyone else: that is 00:00 UTC, which falls on the following day.
| Match | Date | Pacific | UTC | Status |
|---|---|---|---|---|
| Match 1 | Thu 24 Sep | 5:00 PM | Fri 00:00 | Played |
| Match 2 | Fri 25 Sep | 5:00 PM | Sat 00:00 | Played |
| Match 3 | Sat 26 Sep | 5:00 PM | Sun 00:00 | Played |
| Match 4 | Sun 27 Sep | 5:00 PM | Mon 00:00 | Played |
What makes an exhibition different
Every move explained
Both models play with reasoning capture on. The provider's summary of the model's thinking is recorded for every move, exactly as returned, and the stream reads the first minutes of each think aloud.
Same rules as the league
Same prompt, same board, same referee. Each model sees the position, the history and its legal moves, and nothing else. The only thing that changes between the two seats is the model.
After each game
Every match lands on this site's match pages once it is released: the full move list, and under each move the complete reasoning text, not just the part the stream had time to read. Exhibition games are not league fixtures, so they do not count towards the standings.
Don't miss it
The stream goes out on YouTube. Stream links and any change of time go out there and in the Discord.