While they were playing she was trying to see the pawns she needed to transform Issei out of curiosity but seeing that he needed 8 pawns she planned to tell Rias to gain a favor from her.
Proofread before posting as gender has gone on vacation
Something she noticed was that she couldn't see the names or levels of her classmates, when she used look at them she saw that they had levels between 3 and 5 with exceptions like Aika who had level 6.