Help Center
Measuring a Smash
Recording a video that measures accurately
Camera angle, distance, lighting, frame rate, and how to trim to the moment of impact — the setup that makes your speed accurate.
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Calibration: turning pixels into real speed
What calibration is, why the reference line matters, the default 3.87 m court distance, and where to place the two points.
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Reviewing and fine-tuning the detection
How the AI tracks the shuttle, how to fix or add boxes, what interpolation does, and why a tight box matters.
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Getting on the leaderboard
How to join, submit a smash, pick your country, what global vs country ranking means, and why you only show one entry.
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How leaderboard review works
Why your first smash goes to a review queue, what we check, and how getting verified lets your future smashes post automatically.
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How the report system works
How community reports keep the leaderboard fair — who can report an entry, the reasons you can choose, and what happens after a report is reviewed.
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