Samguk Sagi: Lai Huer, with the Sui navy, entered the Paesu River and came within sixty li of Pyongyang, where he defeated the Goguryeo forces…
Lai Huer, with the Sui navy, entered the Paesu River and came within sixty li of Pyongyang, where he defeated the Goguryeo forces.
左翊衛將軍來護兒，帥江、淮水軍，舳艫數百里，浮海先進入自浿水，去平壤六十里。
Location: 卷20 嬰陽王 23年
Lai Huer, pressing his advantage, entered the city to plunder, was badly defeated by an ambush, and only a few thousand managed to return.
伏兵發，護兒大敗，僅而獲免，士卒還者，不過數千人。
Location: 卷20 嬰陽王 23年
In May 612, Lai Huer leads the Jiang-Huai navy ahead by sea, enters the Peishui River, meets Goguryeo forces 60 li short of Pyongyang, and crushes them.
右翊衛大將軍來護兒帥江、淮水軍，舳艫數百里，浮海先進，入自浿水，去平壤六十里，與高麗相遇，進擊，大破之。
Location: 권181 612년 항
A and B are two of the sources listed above.
| On what point | Source A | Source B | What differs (in Korean) |
|---|---|---|---|
| Outcome | Samguk Sagi (History of the Three Kingdoms) | Zizhi Tongjian (Comprehensive Mirror) | a는 내호아가 복병에 대패, b는 내호아가 고구려군을 대파 |
Place: 平壤
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