Three PARSEC isochrones for BLG-116218 and BLG-305487 with the lowest χ² in our grid. The parameter η_R quantifies the mass-loss rate on the RGB. The cyan line represents tracks with no mass loss. The primary star is marked with blue circles, while the secondary is marked with red squares. Open and filled symbols correspond to the observed and modelled values, respectively. Metallicity, age, and χ² of the individual isochrones are given in the upper left corner.