game.Players.PlayerAdded:Connect(function(Player)

    local leaderstats = Instance.new('IntValue')
    leaderstats.Name = 'leaderstats'
    leaderstats.Parent = Player

    local Rank = Instance.new('StringValue')
    Rank.Name = 'Rank'
    Rank.Value = 'F' 
    Rank.Parent = leaderstats

    local Points = Instance.new('NumberValue')   
    Points.Value = 0 
    Points.Name = 'Points'
    Points.Parent = Player 

    Points.Changed:Connect(function()
    if Points.Value >= 4 then 
    Rank.Value = 'E'
        end
    end)

    Player.CharacterAdded:connect(function(Character)
        local Humanoid = Character:WaitForChild"Humanoid"
        Humanoid.Died:connect(function()
            for i, Child in pairs(Humanoid:GetChildren()) do
                if Child:IsA('ObjectValue') and Child.Value and Child.Value:IsA('Player') then
                    local Killer = Child.Value
                    if Killer:FindFirstChild('leaderstats') and Killer.leaderstats:FindFirstChild('Points') then
                        local Points = Killer.leaderstats.Points
                        Points.Value = Points.Value + 1
                    end
                end
            end
        end)
    end)
end)
Anonymous