List of Grades(it's from my experience when i played arena. required points can be wrong but not so much 10-15 points extra may be):
Ninja student - 1
Genin - 15
chunin - 83
Special Jonin - 203
Anbu 1s - 366
jonin - 596
Kage - 877
Super Kage - 1214
Six Paths Sennin - 1601


List of point gain when you win:
1st win = 3 point
2nd win streak = 4 point
3rd win streak = 7 point
4th win streak = 11 point
5th win streak = 16 point
6th win streak = 20 point (next wins give 20 point until you lose)




i dont know which section i should post it but i guess i should at least post this some where