I am playing in a tournament on the 19th-20th of this month and I have a question regarding FIDE rating change for the end of the month when the new list is published.
I have done very well in some tournaments at the start of the month and I am going to gain around 100+ elo based on some calculations I have done for the list coming out at the start of the September month. Let's just say for simplicity I am 1700 FIDE and that means I will be 1800 FIDE next month assuming I don't play any more tournaments.
The issue is however the tournament organizer has a tendency to send in the results of the tournament late and way into the next month's list, so I was wondering if the rating change would be based off the previous month's list when the games were played. In simpler words if the tournament results come in for next month will they count as if I was 1700 FIDE originally or when I become 1800 FIDE.