static GoPosition HumanPlay() { while (true) { try { int x = int.Parse(GetLine()) - 1; int y = 9 - int.Parse(GetLine()); if (x == -1 && y == 9) { return(boardShape.Passed()); } if (boardShape.Valid(y, x) && game.IsLegal(boardShape.At(y, x), GameBase.Color.White)) { game.Play(boardShape.At(y, x), GameBase.Color.White); return(boardShape.At(y, x)); } } catch { } Console.WriteLine("Invalid arguments. Try Again:"); } string GetLine() { string input = null; while (input == null) { input = Console.ReadLine(); } return(input); } }