Currerntly, the new duel chart rank lists:
1. CGR 1201 (Played 1 game and won it)
2 Baldr 1201 (Played 1 game and won it)
3. Xirk 1200 (Played 2 games and won 1)
...
7. Aka 1.0 (Played 1 game and won it)
Appears to be using 2 different formats of scoring, guessing that it is tangled with either league games or, at least, those that have recently played league games.