  We start from the observation that, in the confining phase of QCD, the
instantaneous color-Coulomb potential in Coulomb gauge is confining. This
suggests that, in the confining phase, the dynamics, as expressed in the set of
Schwinger-Dyson equations, may be dominated by the purely instantaneous terms.
We develop a calculational scheme that expresses the instantaneous dynamics in
the local formulation of QCD that includes a cut-off at the Gribov horizon.
