Yes, KSU (NET 81) sliding into <76 territory would make the home loss to them a Q2b loss and a win on their floor a Q1b win. If NET 76 or worse those two games are Q3 and Q2a.This has all changed in the last ~week, but I think the only things that matter for ISU from here on out are 1. do you beat your remaining Q1 opponents and 2. how does Kansas State fare? None of the other teams vying for 2 seeds have losses nearly as bad as KSU. I've already ranted about what I think of MSU, but in addition to leading their conference, their brand/perception in the media will bolster their case for a 2. Kentucky is hurt and still has to play Auburn and Missouri. ISU beat Tech and plays Arizona again. So, if we slot in the top 6 + MSU, you absolutely still have a shot at a 2. But if KSU tanks you could be SOL (and, it goes without saying, you have to beat them the second time). Wisconsin is still sneaky to me, they're kind of getting killed by the media because they were expected to win Saturday, but Oregon isn't actually a bad loss
By the same token I would love it if CU could eake out another win. They are currently at NET 94. It they can stay better than 101 our wins against them are Q2a, Q2b, Q3. If they go over 100 they become Q2b, Q3, Q3.