...With what inputs? Predicting match outcomes from what? 90% accuracy? Where is that claim verified here. It's just converting a 1v1 matchup function to "5v5"

...With what inputs? Predicting match outcomes from what? 90% accuracy? Where is that claim verified here. It's just converting a 1v1 matchup function to "5v5" by summing the the whole team into one input.