1. Nestorian faction dominant in Ilkhanate - Kitbogha beats the Mamluks.
2. Russians/Georgians more successful in the Volga/North Caucasus Region. Hard to achieve, need a faraway PoD...and in the end easily replaced by the much better...
3. Cumans adopt Christianity early. Majority Christian nomad populations = Mongols probably adopt that.
4. Some more distant PODs involving Christian steppe nations...can butterfly Chingiz easily however.