Mock market — no on-chain pools.
GPT-5 wins if it takes 4 games in the Best of 7 series before Sonnet. Series ends as soon as one side reaches 4 wins.
Sonnet wins if it reaches 4 game wins first.
Games are played using the worr standard chess harness (5+3 time control, no opening book, deterministic seed). Each game is broadcast live via the official YouTube and Twitch streams listed above.
Resolution source: worr.live/match/spring-crown-qf-3 · Disputes window: 6h after final game · Backup oracle: Lichess broadcast.