 Ramba uchiverenga ndima ino - Muna 215, Sima Yi akaperekedza Cao Cao muhondo yake yekurwisa mutungamiriri wehondo Zhang Lu, uyo Cao Cao akakunda muHanzhong Commandery muhondo yeYangping, uye mushure meizvozvo Sima Yi akamukurudzira kuti ashandise mukana wekumanikidza uye kurwisa muvengi wake, Liu Bei, uyo aive muPurovhinzi yeYi. Sima Yi akanongedzera kuti sezvo Liu Bei akanga achangobva kutora kutonga kweYi Provincekubva kuna Liu Zhang, akanga achiri kufanira kugadza nzvimbo yakasimba mudunhu racho. Zvisinei, Cao Cao akaramba pfungwa yaSima Yi uye akati akanga atogutsikana nekuva neLongyou 右; kufukidza zvikamu zvemazuva ano zveGansu neShaanxi. Ipapo akatendeudzira ngwariro yake kune mumwe mukwikwidzi wake anokosha, Sun Quan. 