this.selectedPiece.style.display = "inline-block";
this.selectedPiece.style.zIndex = 3000;
let startSquare = this.getSquareFromId(e.target.parentNode.id);
this.selectedPiece.style.display = "inline-block";
this.selectedPiece.style.zIndex = 3000;
let startSquare = this.getSquareFromId(e.target.parentNode.id);