تاريخ إسبانيا
Spanish historian Juan Carlos Losada calls the surrender of the royalists the "Ayacucho betrayal" in his book "Batallas Decisivas de la Historia de España" (Decisive Battles in the History of Spain) (Ed. Aguilar, 2004). He states that the result of the battle had already been agreed between opposing commanders, arguing that Juan Antonio Monet was responsible for the agreement: "the main characters kept a deep pact of silence and, therefore, we can only speculate, although with little risk of being wrong" (Page 254). He argues that a capitulation without battle would have been undoubtedly judged as treason, but defeat allowed the losing commanders to retain their honour.