const adjacentSteps = this.pieces()['k'].moves[0].steps;
for (let step of adjacentSteps) {
const [i, j] = [x + step[0], this.getY(y + step[1])];
const adjacentSteps = this.pieces()['k'].moves[0].steps;
for (let step of adjacentSteps) {
const [i, j] = [x + step[0], this.getY(y + step[1])];