@SortKey
def by_own_time_per_call(stat):
    return (-stat.own_time_per_call if stat.own_hits else -stat.own_time,
            by_deep_time_per_call(stat))
Calculates new ratings by the game result series.
dataset/ETHPy150Open what-studio/profiling/profiling/sortkeys.py/by_own_time_per_call--crossover with--dataset/ETHPy150Open sublee/elo/elo.py/Elo.rate