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
Army of the North of the Royalist forces in Upper Peru. On 12 May Orozco commanding a force of 4,000 men advanced to Jujuy, and on 28 May occupied the city, then on 31 May occupied Salta. On 2 June the royalist forces defeated the patriots at Chamical (southwest of the city of Salta). At the battle of Las Cañas lieutenant colonel Rojas was killed but the force of 400 royalists was defeated. On 8 June there was a new independentist victory at Cuesta de la Pedrera (southeast of Salta), dispersing 2,000 royalists who retreated to Jujuy. At the battle of Yala another royalist