Rock_Paper_Scissor C#

abstract class Participant   //Abstract - no need for instances, Many common functionality
    {
        public int wins;
        float winRate;

        public void DisplayWinRate()
        {
            winRate = ((float)wins / Game_Info.gamesPlayed) * 100;  //Win rate percentage

            string _winRate = String.Format("win rate: {0}%", winRate.ToString());
            Console.WriteLine(_winRate.PadLeft(0));
        }

        public abstract Selection ChooseSelection();   //Every participant needs to have a choice. No choice about that TROLLOLOLOL
    }
    enum Selection
    {
        invalid,
        rock,
        paper,
        scissor
    }

    class Computer : Participant // THE TROLL KING ENTERS
    {

        //1-3 2
        //1-4 3

        Random rand = new Random();

        public override Selection ChooseSelection()  //Override the abstract method Choice inside the Participant class
        {
            Selection element;
            element = (Selection)rand.Next(1,Enum.GetNames(typeof(Selection)).Length);
            return element;
        }

    }
    class Player : Participant  //the user of the app
    {

        public override Selection ChooseSelection()
        {

            Selection element;
            string playerChoice = Console.ReadLine().Trim();
            bool validEntry = Enum.TryParse(playerChoice, out element);  //try to turn the string into a enum value

                if (!validEntry)
                {
                    return Selection.invalid;
                }
              return element;
           }
        }


    class Game_Info //The game's current state
    {
        public static int gamesPlayed;  //Made it static - So it does not change on a object reference basis.

    }

    class Game_Loop
    {
        static void Main()
        {
            Console.BackgroundColor = ConsoleColor.White;
            Console.ForegroundColor = ConsoleColor.Black;
            Console.WindowWidth = 50;
            Console.WindowHeight = 10;
            Computer comp = new Computer();
            Player player = new Player();
            Selection computerSelect;
            Selection playerSelect;
            ConsoleKeyInfo keyPressed;
            bool playAgain;

            do  //Runs at least once
            {

                Console.Clear();  //Clears the console window after and before the game is played

                computerSelect = comp.ChooseSelection();
                playerSelect = player.ChooseSelection();

                Console.Clear();

                while (playerSelect == computerSelect)  // 1/3 chance to 1/2 chance
                {
                    //Interesting to see how many cycles it takes
                    computerSelect = comp.ChooseSelection();
                }
                Console.WriteLine("Player: " + playerSelect);
                Console.WriteLine("\n" + "Computer: " + computerSelect);

                 DetermineWinner(player,comp,playerSelect,computerSelect);  //who will be victorious?

                //Placing a invalid value does not count as a game played.

                Game_Info.gamesPlayed = (playerSelect != Selection.invalid) ? Game_Info.gamesPlayed + 1 : Game_Info.gamesPlayed;


                Console.WriteLine("\n" + "Play again? <y/n>".PadLeft(32));
                Console.WriteLine("\n");

                int resetPosY = Console.CursorTop;
                int resetPosX = Console.CursorLeft;

                Console.SetCursorPosition(30, 0);  //Displays the winrate UP-LEFT
                player.DisplayWinRate();
                Console.SetCursorPosition(30, 2);
                comp.DisplayWinRate();
                Console.SetCursorPosition(resetPosX, resetPosY);   //Where the cursor should be

                keyPressed = Console.ReadKey(true);
                playAgain = keyPressed.KeyChar == 'y';

            } while (playAgain);
         }
        public static void DetermineWinner(Player player ,Computer comp,Selection playerSelect,Selection computerChoice)
        {



         if (playerSelect == Selection.rock && computerChoice == Selection.scissor || playerSelect == Selection.paper && computerChoice ==Selection.rock)
         {
             player.wins++;
             Console.WriteLine("\n" + "You won!".PadLeft(30));

         }
         else if (playerSelect == Selection.scissor && computerChoice == Selection.rock || playerSelect ==Selection. rock && computerChoice ==Selection.paper)
         {
             comp.wins++;
             Console.WriteLine("\n" + "Computer won!".PadLeft(30));
         }
         else if (playerSelect == Selection.scissor && computerChoice == Selection.paper)
         {
             player.wins++;
             Console.WriteLine("\n" + "You won!".PadLeft(30));
         }
         else if (playerSelect == Selection.paper && computerChoice == Selection.scissor)
         {
             comp.wins++;
             Console.WriteLine("\n" + "Computer won!".PadLeft(30));
         }
         else
         {
             Console.WriteLine("\n" + "invalid value".PadLeft(30));
         }

        }

    }