José de San Martín Chile. The battle began on 12 February. San Martín organized a pincer movement, with Soler leading the west column and O'Higgins the east one. O'Higgins, eager to avenge the defeat at Rancagua, rushed to the attack, instead of coordinating with Soler. This gave the royalists a brief advantage. San Martín instructed Soler to rush the attack as well. The combined attack was successful and San Martín's column secured the final victory. The battle ended with 600 royalists dead and 500 prisoners, with only 12 deaths and 120 injuries in the Army of the Andes. The army triumphantly entered Santiago de
José de San Martín Nearly 700 expeditionary soldiers of New Granada deserted and joined the patriots. Several populations in the north of Peru supported San Martín, and Arenales defeated the royalists at the Battle of Pasco. More than 300 royalists joined the patriots, including Andrés de Santa Cruz. However, the plans did not fully work as intended. The native populations that joined Arenales could not resist the royalist counter-attacks, and the slaves did not join the army in the expected numbers. The Argentine provinces could not send the supporting army that San Martín had requested earlier, and the Army of the North no longer