public IActionResult Knight(string coordX, int coordY)
        {
            var knight = new Knight()
            {
                ActualPos = new Moves()
                {
                    coordx = coordX,
                    coordy = coordY
                }
            };

            knight.PossibleMoves = moveService.KnightPossibleMoves(knight);
            return(Json(knight));
        }