showMovables(player) {
    const scoreBoard = [];
    for (let i = 0; i < 8; i++) {
      scoreBoard.push([]);
      for (let j = 0; j < 8; j++) {
        scoreBoard[i].push(this.getScore(i, j, player));
      }
    }
    return scoreBoard;
  }
Return 8x8 scoreBoard where scoreBoard[i][j] is the score received if played there