# adjust the elo prediction according to ping
ping_ratio = self.pingfactor(pi, pj)
scorefactor_ping = ep.latency_trend_factor * (0.5 - ping_ratio)
# adjust the elo prediction according to ping
ping_ratio = self.pingfactor(pi, pj)
scorefactor_ping = ep.latency_trend_factor * (0.5 - ping_ratio)