public ICollection <Player> GetPlayersNearPosition(Position position)
        {
            ICollection <Player> playersNearPosition = new List <Player>();

            for (int row = position.Row - 1; row <= position.Row + 1; row++)
            {
                for (int column = position.Column - 1; column <= position.Column + 1; column++)
                {
                    Position actualPosition = new Position(row, column);

                    if (IsValidPosition(actualPosition) && !IsEmptyPosition(actualPosition) && !actualPosition.Equals(position))
                    {
                        playersNearPosition.Add(GetPlayer(actualPosition));
                    }
                }
            }

            return(playersNearPosition);
        }