HoMM3 HD is a mod (add-on) for the game Heroes of Might and Magic 3.

The rich opportunity to cheat, obvious bugs, and shortcomings in the interface – these are the main “elements of randomness” that “should be”?

Are you suggesting that I, a programmer, should design a tournament, create a set of templates, and a map? Things I have never done and don’t want to do?
Instead of writing such posts, it would definitely be better to do the above.