- super.isAttacked([kings[0].x, kings[0].y], oppCol) ||
- (kings.length == 2 && super.isAttacked([kings[1].x, kings[1].y], oppCol))
+ this.isAttacked([kings[0].x, kings[0].y], oppCol) ||
+ (kings.length == 2 && this.isAttacked([kings[1].x, kings[1].y], oppCol))