White on roll. Cube action?

 

Note: All ‘cash game’ problems assume the Jacoby Rule is in effect. That is, you can’t win a gammon unless the cube has been turned.

This is a fairly simple problem, but it illustrates a common theme which occurs in some degenerate prime versus prime games. Let’s take a close look.

Here both Black and White got stuck in an ace-point game behind a prime. Although White had more men back, Black’s prime actually collapsed first as he couldn’t release his back men. Now Black has lost his 6-point, and White is thinking about doubling.

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