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I think everything is okay... Thank you for your kind words directed at me.
Don't worry about the color. Just use the color that should be assigned according to the draw. If the opponents mixed up or agreed to switch colors, that's their problem!
P.S. Ask Eugene the questions because he is more competent in this matter. Light_God, the Root of Good, the Root of Evil, Gog, or Zhora... (as in a famous movie).
It's not nice to organize a tournament and not see it through to the end!!