[HMM II TOURNAMENT OFF] The second stage of the Van Cunningham 2008 tournament.

Excellent! Sign me up as a participant.

2. The tournament will be held on the Russian version of Heroes 2 from Buka. The save file will be generated on the Russian version.

I don't know, but I think there is absolutely no difference in behavior or the presence of bugs in the English version (if it's 2.1).

It is also not allowed to buy heroes who died in battle (not to be confused with those who fled)!

On the same day, or at all?
In any case, if they have never gained experience, then it should be allowed to buy them.
For example, on the League, there is a rule prohibiting the purchase of upgraded enemy heroes. But there is no such rule on the Portal.