1 import ChessRules
from "/base_rules.js";
3 export default class DoublemoveRules
extends ChessRules
{
7 select: C
.Options
.select
,
8 input: C
.Options
.input
,
9 styles: C
.Options
.styles
.filter(s
=> s
!= "doublemove")
14 o
.options
["doublemove"] = true;