F Rank - Stand on board in cracks or carpet
D Rank - Roll/lean on flat, maybe shuv, first kickflip
C Rank - Flip board, basic lip tricks, fs/bs boards and 50-50s
B Rank - Most fs/bs slides and grinds on ledge or flatbars. Some switch
A Rank - Flip into and out of above. Airs, tech lip tricks, handrails, stairs, switch
S Rank - Most of the above in all stances
XP rewards released next patch update