how is it analysed?
A combination of Cao Cao's strategic errors and the effectiveness of Huang Gai's ruse had resulted in the allied victory at the Battle of Red Cliffs.
Battle of Red Cliffs
A combination of Cao Cao's strategic errors and the effectiveness of Huang Gai's ruse had resulted in the allied victory at the Battle of Red Cliffs. 
where did the battle of red cliffs take place The precise location of the Red Cliffs battlefield has long been the subject of both popular and academic debates, but has never been conclusively established. what is this battle? It unfolded in three stages: an initial skirmish at Red Cliffs followed by a retreat to the Wulinbattlefields on the northwestern bank of the Yangtze, a decisive naval engagement, and Cao Cao's disastrous retreat along Huarong Road. why did this happen? Cao Cao wanted to reunite the sundered Han empire and this place was of vital importance. where was it located? The precise location of the Red Cliffs battlefield has long been the subject of both popular and academic debates, but has never been conclusively established. what happened after this? By the end of 209, the post Cao Cao had established at Jiangling fell to Zhou Yu. how did it impact culturally? Video games based on the Three Kingdoms era have scenarios that include the battle.
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Battle of Red Cliffs [SEP] Analysis
A combination of Cao Cao's strategic errors and the effectiveness of Huang Gai's ruse had resulted in the allied victory at the Battle of Red Cliffs. Zhou Yu had previously observed that Cao Cao's generals and soldiers were mostly cavalry and infantry, and few had any experience in naval warfare. Cao Cao also had little support among the people of Jing Province, and thus lacked a secure forward base of operations . Despite the strategic acumen Cao Cao had displayed in earlier campaigns and battles, in this case he had simply assumed that numerical superiority would eventually defeat the Sun and Liu navy.