# Mines

### Probability

The probabilities for a player to win a Mines game with a specific pre-chosen amount of mines and selected tiles (revealed slots) are calculated and shown in the table below:

### Multiplier

With the probabilities the multiplier is set such that the expected return is 0.99 with the following formula:

The multipliers can be found in the table below:

*Note: The multipliers of the Mines game can't be found in the code, because the multipliers have to be set when the contract gets deployed. Invoke the function* `Mines_GetMultipliers`

*on the deployed contract to verify the multipliers.*

### House Edge

The house edge is incorporated in the multiplier. With the multipliers and expected return set at 0.99, the house edge is 1%.

### Odds

The average multiplier is determined leading to the following odds:

Odds | Outcome |
---|---|

Decimal odds | 0.99 |

Return to Player | 99% |

Probability odds | 49.5% |

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