High command
Believing the battle was over, the Chilean officers let their extenuated and thirsty men to abandon all order and moved over the river. Almost without any ammunition, were waiting for the night fall to return to Dibujo. But the Peruvian High command was planning a second attack, dividing its army into three columns, as equal as the Chileans did, but with the big difference that their greater numbers allowed to divide the forces without weakening them.