What's data can be contained in the PST?

[ernesto]

Reading previous post i have the cuestión

If the premature Queen can be contained in the PST?

And What's data can be contained in the PST?

[j.t.]

If you have game phase dependent PSTs, then theoretically yes, you should be able to encode that an early queen is bad. But I am not sure if it makes much sense to force this. Most engine games are played with at least a shallow opening book, to avoid duplicate games.