- Ability to play simultaneously with another player (P1 vs P2)
- Having a choice of which form to start with (X O)
- Input in the player case must be via keyboard input by typing the cell number you want to fill in
- Rewrite turn logic.
- Move Console.WriteLine() & Console.ReadLine() to Program.cs
- Make victory control Iterative.
- In the control use ENUM
- Enter array data from keyboard (ES. 1,1 will put it in the middle)
- Check that the coordinates entered are correct.
- Use exceptions
- Add Boolean checks on InsertSymbol and remove Console.WriteLine()
- Remove the property that returns the grid.
- Create a function that returns the copy of the grid
- Use constants
- Move the PrintGrid method to Program.cs.
- In Booleans use Is, Has, Can