[Bug-gnubg] Idea for encoding 2-sided database

[Ian Shaw]

Could we reduce the size of the two-sided database by omitting gin
positions?

Gnubg could assume that if the position was inside the database space
but the result was not stored, then the position is gin. A simple 0-ply
evaluation could be used to verify who has won, and as a sanity check.

I don't know how much effect this would have, but it would have greater
benefits for the larger databases because more positions would be gin.

-- ian