Backgammon Cube Action 1000, Vol 2: Late Middle Game

Accurate cube action is the foundation of backgammon success. This
three-volume set presents 1000 doubling positions to help players of all
levels master the complexity of the cube. All conclusions have been
confirmed by the latest backgammon software.

Volume Two covers the Late Middle Game. It contains 333 problems
carefully organized by type and arranged in a logical progression which
illustrates the effect of subtle shifts in the position. The reader will
also see how the score of a match can dramatically change proper doubling
strategy.