I think now we should wait for the release of the new HD mod version with encrypted save files and play tournaments of this level on it. It will be more peaceful for everyone. Of course, this won't stop hackers, but still, not all Heroes players are hackers.

And now, wasn't it peaceful? They made up a problem out of thin air and ruined an interesting tournament.
The Heroes community is already so small, and now it has stalled because of some map hack (?)... All the bridges that were being built with foreigners are falling apart because of some routine, some fuss, and pointless arguments. So we'll just sit in our village and play with "trusted" players.

Added 7 minutes later
We should generally make it a rule to address issues of unfair play (map hacking - specifically for Lider1) only after the tournament is over, if there are good reasons for it. Did the organizer accept the player into the tournament? Do all participants have no objections to the formed roster? - then please play, record saves, analyze, and after the tournament - sort things out (if there is still a need for it) with a full set of saves and decide whether to allow or not allow the suspected player to participate in the next tournament. That's all.