Chen Tai

Chen Tai is a Wei commander whose most consequential appearances pit deception and maneuver against Jiang Wei’s attempts to exploit Wei’s political disorder. He helps turn a Qiang alliance into a trap and later contributes to the defense of Didao, making him a recurring obstacle to Shu’s northern campaigns.

Role in the Northern Campaigns

During Jiang Wei’s campaign against Wei, Chen Tai outmaneuvers the Shu army at almost every stage, while the local governor Guo Huai attacks it forcefully. The campaign’s forts lack enough water to withstand sieges, compounding the pressure from Wei’s countermeasures. Chen Tai’s role is presented as part of the wider military resistance that blunts Jiang Wei’s invasion, rather than as a commander acting alone.

The Feigned Defection

In a later campaign, Chen Tai pretends to desert Wei with five thousand men and joins the alliance between Jiang Wei’s Shu forces and the Qiang. His apparent change of allegiance is a stratagem: he intends to persuade the Qiang to attack the Wei camp, where they can be ambushed. King Midang accepts the supposed defection as genuine and orders a night assault.

The trap closes as the Qiang approach the camp. The horse of one of their senior commanders falls into a deep pit; the men who had claimed to be defectors attack from behind, while Chen Tai leads another Wei detachment against them from the front. Thousands of Qiang fighters die, and King Midang is captured. Chen Tai’s deception thus breaks the alliance from within and turns its own planned attack into a defeat.

Reversal and Consequences

After King Midang is taken prisoner, Guo Huai releases him. The king then turns against the Shu camp, which is surprised and overwhelmed. Jiang Wei is forced to flee, though he wounds Guo Huai during the retreat; Guo Huai dies that night. The campaign ends in another withdrawal for the Shu army. Chen Tai’s stratagem has helped produce a broad Wei success, even as the fighting costs Wei the life of its governor.

Defense of Didao

Later, Jiang Wei again advances during a period of disorder in Wei. He defeats Wang Jing’s forces by the River Tao and presses on toward Didao despite Zhang Yi’s objection that the earlier victory should suffice. Chen Tai moves Wei troops to defend the city. Jiang Wei is then drawn into an ambush set by the experienced Deng Ai and defeated, retreating to Hanzhong while already planning another invasion. Chen Tai’s defense forms part of the response that stops the advance at Didao; the account identifies Deng Ai as the author of the decisive ambush, distinguishing Chen Tai’s defensive role from Deng Ai’s tactical action.