You could look into multiset sequence compression methods, where the multiset elements are i sequences max_score(i, t) for at time t for each rank i https://arx

You could look into multiset sequence compression methods, where the multiset elements are i sequences max_score(i, t) for at time t for each rank i https://arxiv.org/abs/1401.6410 https://arxiv.org/abs/1401.6410