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Heads or Tails
Introduction
My initial article on the Heads or Tails game was published in 2005 when Playtech I introduced a fun game that revolves around the outcome of a coin toss. A decade later, SOFTSWISS launched another engaging coin flipping experience. Then in 2019, I discovered a new take on this concept from Evoplay. This webpage will cover all these variations.
Playtech Version
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Playtech Rules
Players have the option to select either heads or tails and can place wagers on one, two, or three coin flips.
Playtech Analysis
The table presented below outlines the chances of winning and the anticipated returns for each of the three betting options.
Playtech -- Return Table
| Bet | Probability | Pays | Return |
|---|---|---|---|
| One flip | 0.5 | 1.9 | 0.95 |
| Two flips | 0.25 | 3.8 | 0.95 |
| Three flips | 0.125 | 7.5 | 0.9375 |
SOFTSWISS/BGaming Version
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Rules
After placing a wager, the player needs to predict the outcome of a coin flip—which is a Bitcoin to be specific. Wins pays 198 for 100.
Analysis
The table below illustrates the probability of winning and how each outcome contributes to the overall return. Wins are calculated on a 'per single bet' basis. The bottom right cell indicates a return rate of 99%, meaning the house retains a 1% edge.
SOFTSWISS/BGamin -- Return Table
| Event | Probability | Pays | Return |
|---|---|---|---|
| Win | 0.50 | 1.98 | 0.99 |
| Loss | 0.50 | 0.00 | 0.00 |
| Total | 1.00 | 0.99 |
Evoplay Version
Evoplay offers a payout of 1.96 for every win, leading to an expected return of 0.5 times 1.96, which equals 98%, translating to a 2% house advantage.