private dynamic AcceptMatch(dynamic arg) { var gameId = (int)arg.id; var matchId = (int)arg.matchid; MatchSetting.ChangeMatchState(gameId, matchId, 1); var match = MatchSetting.Get(matchId); EloSetting.RecalcRatings(match.uid1, match.uid2, match.result, gameId); return(null); }