https://github.com/lorserker/ben/tree/78c3690f34ed945f95f3c1... (look at SingleDummyEstimates.ipynb )
also the keras model ben/models/TF2models/RPDD_2024-07-08-E02.keras is still present in the current repo but not apparently used. It was trained on ten million deals where all double dummy info is known.