| NAME | |
|---|---|
| Chinese Name | 许攸, 許攸, Xǔ Yōu |
| Other name | Hứa Du |
| Courtesy name | 子远, 子遠, Zǐyuǎn, Zi Yuan, tự Tử Viễn |
| INFORMATION | |
| Birth Place | Nanyang Commandery, Jing Province (荆州南阳郡; quận Nam Dương, Kinh Châu) |
| Died | 204 |
| Death Reason | Executed by Cao Cao (曹操, Tào Tháo) for public arrogance and insults (204 AD); slain by Xu Chu (许褚, Hứa Chử) in the novel |
| FAMILY | |
| Children | |
| CAREER | |
| Allegiance | Yuan Shao's Forces, Cao Cao's Forces |
| Battles | Guandu, Wuchao, Ye, Hebei |
Here is the exhaustive biography, ancestral background, historical records, and Romance of the Three Kingdoms narrative for Xu You (許攸), courtesy name Ziyuan (子遠) (d. 204 AD), a brilliant strategist and childhood friend of both Yuan Shao and Cao Cao who famously defected during the pivotal Battle of Guandu.
Early Life, Association with Yuan Shao & Frustrations
Xu You was a native of Nanyang Commandery and shared a close childhood friendship with Cao Cao. In 184 AD, he participated in an abortive conspiracy with Wang Fen to depose Emperor Ling, which Cao Cao rejected. By 191 AD, Xu You joined Yuan Shao’s camp after the warlord took control of Ji Province. Serving as a senior adviser, Xu You advocated maintaining an alliance with Cao Cao in the south while expanding northward, and urged Yuan Shao to rescue Emperor Xian. However, Yuan Shao frequently disregarded his best plans, and widespread corruption among Xu You’s friends and family fostered intense court rivalries, most notably with Shen Pei.
Defection to Cao Cao, Raid on Wuchao & Arrogant Demise
During the campaign of Guandu in 200 AD, Shen Pei had Xu You’s family arrested for corruption. Fearing execution, Xu You defected to Cao Cao. Welcomed warmly by his old friend, Xu You proposed a surprise raid on Yuan Shao’s supply depot at Wuchao, sealing Cao Cao’s historic victory. Following the campaign, Xu You contributed to the capture of Ye city through flood tactics. However, blinded by arrogance, Xu You began publicly boasting that Cao Cao owed his success entirely to him and even addressed Cao Cao by his childhood name. Outraged by his insolence, Cao Cao had him arrested and executed in 204 AD (or slain by Xu Zhu in the novel).
Xu You (許攸) — Historical & Literary Timeline
Capture of Supply Messenger & Rejection
Captures Cao Cao’s ration messenger in Chapter 30 and urges Yuan Shao to strike Cao Cao’s weak rear, but Yuan Shao suspects treason and rejects the plan.
Defection to Cao Cao & Wuchao Strategy
Flees to Cao Cao’s camp in Chapter 30 after his family is jailed by Shen Pei. Reveals Cao Cao’s dire food shortage and devises the critical fire raid on Wuchao.
Arrogance & Death by Xu Zhu
Grows excessively arrogant during the capture of Ye city in Chapter 33, publicly insulting Cao Cao and officers, leading to his fatal execution/slaying by Xu Zhu.
Romance of the Three Kingdoms Narrative
In Luo Guanzhong’s historical novel Romance of the Three Kingdoms, Xu You plays a decisive role in Chapters 22, 30, and 33. Initially supporting Yuan Shao’s campaigns, he switches sides in Chapter 30 after Yuan Shao spurns his intelligence regarding Cao Cao’s depleted stores. Welcomed with open arms by Cao Cao, Xu You engineers the destruction of Wuchao. Later in Chapter 33, his hubris proves fatal when he mocks officers at the gates of Ye, provoking Xu Zhu into cutting him down.
For detailed historical records, archives, and official chronicles, explore Xu You on Wikipedia.
Key Relationships
Family
- No information
Friends
- Cao Cao (曹操, Tào Tháo): A childhood friend who welcomed Xu You’s defection in 200 AD and relied on his intelligence to secure victory at the Battle of Guandu.
Enemies
- Yuan Shao (袁绍, Viên Thiệu): His former lord whom he served until 200 AD; their relationship soured due to Yuan Shao’s refusal to heed his strategic advice and mutual mistrust.
- Shen Pei (审配, Thẩm Phối): A fierce political rival in Yuan Shao’s court whose decision to imprison Xu You’s family for corruption directly triggered Xu You’s defection.
- Xu Zhu (许褚, Hứa Chử): Cao Cao’s bodyguard who executed Xu You in 204 AD after losing patience with his public arrogance and insults toward Cao Cao.
- Chunyu Qiong (淳于琼, Thuần Vu Quỳnh): The commander of the Wuchao supply depot whose forces were destroyed in the raid orchestrated by Xu You in 200 AD.
Other
- Xun Chen (荀谌, Tuân Kham): A fellow strategist and colleague who served alongside Xu You in Yuan Shao’s court.
- Yuan Shang (袁尚, Viên Thượng): A son and successor of Yuan Shao whose forces were undermined by the strategies Xu You provided to Cao Cao during the campaign for Ye.
- Yuan Tan (袁谭, Viên Đàm): A son of Yuan Shao whose position was weakened by the fall of Ye, a victory facilitated by Xu You’s tactical advice.
In Novel
Chapter 7
- Xu You (许攸, Hứa Du): Strategist under Yuan Shao (袁绍, Viên Thiệu), courtesy name Ziyuan (子远), who assisted Yuan Shao in establishing hegemony over Jizhou.
Chapter 22
- Xu You (许攸, Hứa Du): Advised Yuan Shao (袁绍, Viên Thiệu) on troop deployments and logistics during the initial mobilization against Cao Cao (曹操, Tào Tháo).
Chapter 30
- Xu You (许攸, Hứa Du): Serving Yuan Shao (袁绍, Viên Thiệu) at Guandu; after being rebuffed by Yuan Shao and having his family arrested in Jizhou for corruption, Xu You defected to his childhood friend Cao Cao (曹操, Tào Tháo) in the middle of the night, revealing the critical vulnerability of Yuan Shao's grain depot at Wuchao and enabling Cao Cao's total victory.
Chapter 32
- Xu You (许攸, Hứa Du): Accompanied Cao Cao (曹操, Tào Tháo) in the northern campaigns and devised the engineering stratagem to breach the Zhang River dikes and flood Jizhou.
Chapter 33
- Xu You (许攸, Hứa Du): Grew excessively arrogant and boastful over his indispensable contributions to the conquest of Jizhou; after repeatedly humiliating Cao Cao (曹操, Tào Tháo) and his generals in public, Xu You provoked the enraged Hứa Chử (许褚, Hứa Chử), who decapitated him on the spot.
In History
Summary
- Xu You (许攸, Hứa Du), courtesy name Ziyuan, was an adviser who served Yuan Shao (袁绍, Viên Thiệu) and later defected to Cao Cao (曹操, Tào Tháo).
Year: 200 AD
- Xu You (许攸, Hứa Du) defected to Cao Cao during the Guandu campaign after becoming dissatisfied with Yuan Shao. He informed Cao Cao of the location of Yuan Shao's grain depot at Wuchao, enabling Cao Cao to destroy Yuan Shao's supplies.
Historical Record
- Xu You (许攸, Hứa Du) was a real historical adviser. His decisive role at Guandu is recorded in the historical tradition, although the novel dramatizes his personality and death.
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