Here is the link to the code I mentioned earlier, @muellerzr!
I could get 99,48% with fastai2 for poker rule induction dataset (go to cell # 130 of the notebook). It was kind of a pain (lots of epochs), but I suspect it could get even better because the validation loss was still decreasing. I dont know if we could speed the training with some trick.
I managed to get 99,10% with TabNet, and also suspect it could also get better with more epochs.