- parseVariant(variant):
| undefined
| "chess"
| "antichess"
| "kingofthehill"
| "3check"
| "atomic"
| "horde"
| "racingkings"
| "crazyhouse" Parameters
- variant: undefined | string
Returns
| undefined
| "chess"
| "antichess"
| "kingofthehill"
| "3check"
| "atomic"
| "horde"
| "racingkings"
| "crazyhouse"