  We study the scattering of open-beauty mesons and Goldstone bosons as
predicted by the chiral SU(3) Lagrangian. The impact of subleading order chiral
interactions to systems with $J^P= 0^+$ and $J^P=1^+$ quantum numbers is worked
out. We estimate the relevant low-energy coefficients from the open-charm
sector, for which their values have been determined previously from sets of QCD
lattice data. The leading order heavy-quark symmetry breaking effects are
estimated by matching the $B$-meson ground-state chiral mass formula to the
mass formula from the heavy-quark effective theory. We make refined predictions
for the flavor anti-triplet and sextet resonances that are generated
dynamically by coupled-channel interactions.
