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How it worksWhat it paysRTPTest vectorsVerify

Provably Fair

  • How it works
  • What it pays
  • RTP
  • Test vectors
  • Verify
Provably FairPenalty

Penalty

Each shot has its own number, which decides the part of the goal the keeper covers. You score when you aim anywhere else, and the keeper's cover for all ten shots is shown when the run ends.

RTP
98%
Max win
1,003.52×
Verify a Penalty roundPlay Penalty
How it works

How a Penalty result is made.

  1. 1

    Commit

    We choose our server seed before you bet and show its fingerprint. This commits us to that seed.

  2. 2

    The draw

    Your seeds choose the goal area the keeper covers for each shot. You score when you aim at another area.

  3. 3

    Reveal

    Rotate your seed to reveal ours. Use both seeds and the bet number to recheck any past result.

The whole formula

result = HMAC-SHA256(serverSeed, clientSeed:nonce:round)

  • serverSeedOur seed, sealed until you rotate
  • clientSeedYour seed
  • nonceBet number, +1 each bet
  • roundExtra numbers, for games that need more
penalty-clutch.tsTypeScript
1export function penaltyClutchCoverageFromFloat(float: number, options: number): number {
2  const raw = Math.floor(float * options);
3  if (!Number.isFinite(raw) || raw < 0) return 0;
4  return raw >= options ? options - 1 : raw;
5}
What it pays

Every outcome and what it pays.

Difficulty
Rookie · the keeper covers 1 zone of 6
GoalsChance to get therePays
183.33%1.19×
269.44%1.43×
357.87%1.71×
448.23%2.05×
540.19%2.46×
633.49%2.96×
727.91%3.55×
823.26%4.26×
919.38%5.11×
1016.15%6.13×
RTP

Return to player.

Theoretical RTP: 98%.

  1. With o ways for the keeper to cover, each shot scores with chance (o − 1) / o.

    P(g goals) = ((o − 1) / o)^g
  2. Banking after g goals pays:

    multiplier = 0.98 × (o / (o − 1))^g
Test vectors

Fixed inputs, known results.

Reproduce these results with the inputs below.

Verify

Check a Penalty round.

Find it in your bet history or on any bet slip

What we check

  1. 01Our seed matches its fingerprint
  2. 02Your seed is mixed in
  3. 03Numbers are drawn
  4. 04Numbers become the result
  5. 05The result matches your bet

Everything is calculated in your browser.

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