Since I still have an open question about what happens when the Bulgars take out Constantinople, I have typed in some of the rules. If two players are tied after the five points are added in Arab points, what happens next?
I would assume that the first tie breaker condition does not apply since the caveat in parenthesis was not meant and thus you move to the second tiebreaker (which is total cities).
If the player successfully attacks Constantinople then he adds five VP to his Arab total and then the game ends immediately. Only Arab VP are used to determine who has won, Byzantine VP are worthless. No points are scored for controlling any cities, you simply look at what has been scored so far
If a player’s lower score is half or more than the value of the higher score then he adds both scores together to make a final total. If the lower score is less than half that of his higher score then he only scores the higher score. The player with the most VP wins.
In case of a tie the tied player with the most VP in total wins, (which would occur if one or more players only scored their higher score). If there is still a tie then the tied player who controls the cities in all (not city tokens) wins. If there is still a tie then the tied player with the most money in their treasuries (combined) wins.