If the city has a pledge of protection, -20.For bullying within the last 20 turns, -40.If you've bullied the city state within the last 10 turns, -300.Otherwise if you're trying to bully for a worker take off -30.If you're trying to bully for a unit (aka worker) and the city state is less than size 4, -300.If your non-war influence is less than -30, take a -300 penalty.First off is the base reluctance of -110.Starting at line 7796 (function CvMinorCivAI::CalculateBullyMetric). \steamapps\common\Sid Meier's Civilization V SDK\CvGameCoreSource\CvGameCoreDLL_Expansion2\CvMinorCivAI.cpp I looked up the factors, which can be found after downloading the SDK (Steam -> Tools -> Sid Meier's Civilization V SDK).
