Homebrewing Competitions The Oxford Brewers have been holding a termly homebrewing competition since Summer 2017. The next contest will take place on July 18th 2018 and contestants should brew a Weißbier (official guidelines). See also our rules. Previous competitions: Spring 2018, Trappist Single. Brewmaster: John Snelson. Fall 2017, English Porter. Brewmaster: Tom Rhodes. Summer 2017, Session APA. Brewmaster: Giles Strother.