I'd never heard of this, mainly because I've read very little about WW1. But it seems to have been a bloody shambles!:
The Aboukir, Cressy and Hogue
And the casualty lists:
The Honour Roll of H.M.S. Aboukir The Honour Roll of H.M.S. Cressy The Honour Roll of H.M.S. Hogue