Provably fair

Eight grips, one rope

Kamba Adeema

Two village teams on one rope. Back the side you think wins the next pull.

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At a glance

How a round works

  1. Pick a side

    Set your stake, then tap YATI or UDA before the heave is called.

  2. Call the heave

    Eight fair coin flips decide which pullers grip and which slip.

  3. Paid on the spot

    Your side takes it and you win. Four all and your stake comes back.

What is in it

Full rules and detail5 steps

A betting take on Kamba Adeema (කඹ ඇදීම), the tug of war that closes every Avurudu sports day, with the whole village packed in around the pitch. Two sides — Uda Pila and Yati Pila — take four a side on one rope. On every heave each of the eight pullers either grips or slips, and the difference drags the rope that many marks toward whoever had more. There is exactly one bet: pick the side that takes the next heave, at 1.92×. Four all and nobody takes it, so your stake comes straight back. You start with a Rs 50,000 demo bankroll.

How to play

  1. Take the rope and ready up — the match starts once both sides are on it.
  2. Set your stake with the two arrows, then tap YATI or UDA to back the side you think takes the next heave. Tap the same side again to take the bet off.
  3. Call the heave. Eight fair coins from a blockchain block decide who grips and who slips, and the swing — Uda's grips minus Yati's — settles your bet straight away at 1.92×.
  4. Four all is a draw: nobody takes the heave and your stake is handed straight back, so the bet is a coin flip that can only win, refund or lose.
  5. That same swing moves the rope. Grips burn stamina, a spent side pulled two marks or more is dragged double, and seven marks past the line wins the match.
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