using System;

using System.Linq;

​

public class Program

{

    public static void Main()

    {

        var employees = new[] 

        {

            new { Name = "Tlr 1", Title = "TLR", Points = 1 },

            new { Name = "Tlr 2", Title = "TLR", Points = 2 },

            new { Name = "Fsr 1", Title = "FSR", Points = 3 },

            new { Name = "Fsr 2", Title = "FSR", Points = 4 },

            new { Name = "Fsr 3", Title = "FSR", Points = 4 },

            new { Name = "Mgr 1", Title = "MGR", Points = 4 },

            new { Name = "Mgr 2", Title = "MGR", Points = 4 },

            new { Name = "Mgr 3", Title = "MGR", Points = 5 },

        }.OrderByDescending(x => x.Points) // start with overall order

        .GroupBy(x => x.Title) // prepare to rank within title

        .SelectMany(x => x // need SelectMany, otherwise Select(Select()) will return a tree

            .Select( (y, i) => // get the index within the group

                new { Employee = y, Rank = i + 1 })

            .GroupBy(y => y.Employee.Points) // the twist! force the rankings to tie if the points are tied

            .SelectMany(pointGroup => 

                // the trick! think of nested Selects like nested ForEach loops

                // the inner loop can access the outer iterator

                pointGroup.Select(z => 

                    new { Name = z.Employee.Name, Title = z.Employee.Title, Rank = pointGroup.Min(w => w.Rank) }))

        );

        foreach (var employee in employees)

        {

            Console.WriteLine(employee);

        }

    }

}