There was an error in counting the post from @Hhampuz and I want to inform you about its arrival so that you can see it. It has 2 more posts written, while BlackBoss post starts at 3649 and ends at 3669, so it has 2 more posts written than Hhampuz.
Do me a favor and go to their post history and count how many posts they have made (manually) between April 5 - 12 according to my time zone (CET). I have never and will never look at start/end posts and deduct how many posts a user has made just based off of that, lol.
You are actually right Sir Hhampuz, because I literally just checked @BlackBoss_ post history, and saw that from 5th April till 11th April, he actually made a total of 22 post;
11 post on the Gambling board,
4 on Bitcoin discussion board,
3 post on Beginners & Help board,
3 post on the Speculation board, and
1 post on the Service discussion board.
But if you are to substrate his ending post (i.e 3669) from his ending post (i.e 3649), you will be having 20 post. Which means maybe 2 of his post might have been deleted or sent to archive during the week, which is why the total number of post got shortened.