Alex_R
Auto-translated
2. Blue chooses the castle first, as he gave the color to his opponent.
If you count it, blue should start marking, and, accordingly, red marks last.
No one gave colors to anyone... it was just a random draw... I personally prefer blue, but it doesn't really matter...
Maybe it would be better to mark "the old way"?... and the player's color would depend on who marks first.