Andy got a bit of buffing namely chainable stand B>stand D, better jump D and f+A getting a hitbox buff so it will properly connect to stand C, faster NeoMax, and Chou Reppadan damage buff nerfs are pretty minor with EX Kuuhadan losing invincibility and slower sweep I think that Andy's placement in the tier list is because the characters got some improvements that severely changes the matchups despite Andy's solid buffs and little nerfs from the arcade. Robert is purely utility with Fireballs, DP, Command Grab, a GOOD AA Command normal f+A, Weak Hienshinpukyaku comboable from d+B d+A. But his damage potential is lacking he is mid tier material for me since I use Robert.