Before revision: Before the loss of the frigate Independencia at Punta Gruesa, Grau sought to challenge the outnumbering Chilean fleet adopting a harassing strategy, focused in inflicting as much damage as possible while avoiding a full scale engagement.
After revision: After the loss of the frigate Independencia at Punta Gruesa, Grau sought to challenge the outnumbering Chilean fleet adopting a harassing strategy, focused in inflicting as much damage as possible while avoiding a full scale engagement.