docs: def reportMatchCompletion(cfg, results, replayData):
      """send information back to the server about the match's winners/losers"""
      payload = json.dumps([cfg.flatten(), results, replayData])
      ladder = cfg.ladder
      return requests.post(
          url  = c.URL_BASE%(ladder.ipAddress, ladder.serverPort, "matchfinished"),
          data = payload,
          #headers=headers,
      )