In the British general election, the Revolutionary Communist Party, only 8 weeks after its founding, ran the most successful revolutionary communist election campaign in decades. Fiona, candidate of the RCP, received 1,791 votes for an openly revolutionary programme. This is an excellent result, but the reason communists participate in elections is to raise their programme and to build the revolutionary party. In this article, Daniel Morley delves deeper into the theoretical underpinnings of communist strategy and tactics in elections.