After the victory at Chimborazo, Atahualpa stopped in Cajamarca as his generals followed Huáscar to the south.
Historians know today that the battle took place a couple of miles west of the Inca capital Cusco in April 1532.
Huáscar's force was probably slightly smaller and shocked, as they had been utterly beaten earlier in Ecuador.
The civil war was thereafter decided, and Atahualpa should have become sole ruler of the mighty Inca Empire had he not been captured himself by Francisco Pizarro in Cajamarca.
(...) fueron los que ayudaron a Atahualpa a triunfar en la campaña contra Huáscar, culminando ésta con la famosa batalla de QUlPAlPAN, donde los quiteños más o menos con 30.000 hombres, triunfaron sobre 50 ó 60.000 de Huáscar.