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An answer is a blind prediction later confirmed or refuted by experiment.","problem_ref":"0034959e38349bf463a272586e0316ab325f44f420ee4cb10006c7684e747c1d","references":"","settled_by":"Published blind predictions of $T_c$ and isotope coefficient for a new hydride, followed by measurement.","status_note":"Calculations reproduce $T_{c}$ of $\\mathrm{H_3S}$ and $\\mathrm{LaH_{10}}$ approximately, but results depend on $\\mu*$ and on the treatment of anharmonicity.","title":"Can first-principles Eliashberg theory predict hydride $T_{c}$ within ten 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