public void startGame() { CheckPosition check_p = new CheckPosition(); Dictionary <string, string> winner = new Dictionary <string, string>(); string pos; int[] idx; int turn = 0; while (true) { Console.Write($"{this.users[turn]["name"]} enter position: "); pos = Console.ReadLine(); Console.WriteLine(); idx = check_p.findIndex(board, pos); if (idx[0] != -1) { if (turn == 0) { board[idx[0], idx[1]] = "X"; turn = 1; } else { board[idx[0], idx[1]] = "O"; turn = 0; } } else { Console.WriteLine("Position is no longer available "); } this.displayBoard(); winner = check_p.findWinner(this.board, this.users); if (winner["type"] == "winner") { Console.WriteLine($"{winner["message"]} is the winner !!!"); Console.WriteLine(); break; } else if (winner["type"] == "no") { Console.WriteLine(winner["message"]); Console.WriteLine(); break; } } }