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I have carefully read your announcement, VDV_forever, and the questions that followed. I wish you patience, and even more patience.
In my opinion, everything is perfectly clear even after the first post.
And the rest is very similar to a plot from "Yeralash," where children write an essay on the topic of "How I Spent My Summer." So, one very persistent student kept "pestering" the teacher with questions like: "Marya Ivanovna, should I write about the forest, or should I write about fishing, etc.?"
Please, be more attentive, friends!
Personally, and on the topic, I will say that I will try to create something memorable, specifically tailored for an offline tournament, taking into account some psychological aspects that are characteristic of this type of competition.
As a map that can impress almost anyone, and as a way to help the contest participants create new maps by providing a concrete example of "how it should be done," I can recommend the First Blood map. Without exaggeration, I can say that it serves as a kind of standard for me. And for you, dear friends, it is a clear example. Play it, and you will understand everything yourself...
With respect