Éamon de Valera on a formal coalition agreement, something de Valera was unwilling to concede. However, while Fianna Fáil was six seats short of a majority, it was still by far the largest party in the Dáil, with 37 more TDs than the next largest party and rival, Fine Gael (the successor to Cumann na nGaedheal). Conventional wisdom held that de Valera would remain Taoiseach with the support of independent deputies. However, this was brought undone when the other parties realised that if they banded together, they would have one seat fewer than Fianna Fáil, and would be able to form a government
Éamon de Valera nominally head of the anti-Treatyites, de Valera had little influence. He does not seem to have been involved in any fighting and had little or no influence with the military republican leadership - headed by IRA Chief of Staff, Liam Lynch. De Valera and the anti-Treaty TDs formed a "republican government" on 25 October 1922 from anti-Treaty TDs to "be temporarily the Supreme Executive of the Republic and the State, until such time as the elected Parliament of the Republic can freely assemble, or the people being rid of external aggression are at liberty to decide freely how they are