Every engine on the site, scored against the same real outcomes, with V8 as the baseline. An engine is only called better or worse than V8 once both have 10+ scored cases and their 90% ranges don't overlap. Nothing here changes any recommendation — it only keeps score.
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What counts as "right": Finance — the action the signed-in user reported as actually best, 30+ days later. Corporate / Enterprise — "matched choice" is what the team chose; "matched confirmed choice" is a choice the team said it would make again at the 30-day follow-up (the stronger test). CFD — HIT or MISS against revealed CFD results under the rule sealed at lock; ties and no-signal tests are counted separately, never as hits.