protected double ScoreByChance(Node parent, Tetrimino tetrimino)
{
double chance = tetrimino.GetChance();
var newState = new GameState(parent.GameState, new Piece(tetrimino));
var child = new Node(newState);
var successors = child.GetSuccessors();
var score = GetBestScore(successors);
return(chance * score);
}
