document.querySelector("#" + getSquareId(move.start) + " > img.piece");
// HACK for animation (with positive translate, image slides "under background")
// Possible improvement: just alter squares on the piece's way...
document.querySelector("#" + getSquareId(move.start) + " > img.piece");
// HACK for animation (with positive translate, image slides "under background")
// Possible improvement: just alter squares on the piece's way...