// Value of 0 is board min size; 100 is window.width [- movesWidth]
const boardSize = minBoardWidth +
k * (window.innerWidth - (movesWidth+minBoardWidth)) / 100;
// Value of 0 is board min size; 100 is window.width [- movesWidth]
const boardSize = minBoardWidth +
k * (window.innerWidth - (movesWidth+minBoardWidth)) / 100;