We know that we should be careful so that we won't make mistakes. During the Three Kingdoms period, Guan Yu, with a red face and beard, was good at fighting. But because of carelessness, he not only lost Jingzhou, but also put his own life in it. Guan Yu paid a heavy price for his carelessness.
First of all, Lv Meng copied Guan Yu's posterior approach.
2 19 July, Guan Yu knew that Liu Bei had captured Hanzhong, so he wanted to attack Xiangfan, where Cao Ren was guarding, so that he could attack Cao Cao on both sides. Guan Yu was good at fighting, but Coss couldn't beat him, so he had to hide in Fancheng to defend himself. Many sites of Wei were occupied by Guan Yu. Seeing that Coss could not defeat Guan Yu, Cao Cao sent a general Yu Jin to lead the troops to support Coss.
Yu Jin had just arrived in Xiangfan when the rainy season came. It rained heavily that year, causing flash floods. Now, God has done Guan Yu a big favor. The flood destroyed all seven forbidden camps and many soldiers drowned in the water. Seeing the opportunity, Guan Yu sent Zhou Cang to sail and captured Yujin alive. Coss had long been frightened by Guan Yu. Seeing Guan Yu defeated Yu Jin, he just hid in Fancheng and dared not come out.
After defeating Coss and Yu Jin, Guan Yu became more and more famous and scared Cao Cao to move several times. But because of several victories in succession, Guan Yu began to become proud. Moreover, Guan Yu won many battles, which worried Cao Cao and Sun Quan. If Guan Yu continues to win, I'm afraid the world belongs to Shu.
So Cao Cao, who was defeated by Guan Yu, let people destroy the relationship between Guan Yu and Sun Quan. Sun Quan also wanted to clean up Guan Yu for a long time. In order to make Guan Yu careless, he removed Guan Yu's main rival, Monroe, the governor of Soochow, and replaced him with a young scholar named Lu Xun.
Lu Xun pretended to admire Guan Yu and said a lot of good things to him. The proud Guan Yu didn't take Lu Xun seriously. Now that Lv Meng has been removed, what is there to be afraid of him? So he transferred all the troops originally used to guard against Wu to deal with Cao Cao.
Knowing that Guan Yu and Cao Jun had fought, Lv Meng took the opportunity to copy Guan Yu's back road and occupied his base area. Guan Yu, who caught fire in the backyard, lost several battles in a row and the whole army was scattered. He had to flee to Maicheng with several followers, but he was caught and killed by Lv Meng.
Second, whoops! Jingzhou is gone!
Xiangyang is easy to defend but difficult to attack. Whenever the enemy attacks the city, Fancheng is difficult to hold because there is no very dangerous terrain, so there is an interesting saying among the people that "Xiangyang is made of iron and Fancheng is made of water". Coss can be stationed in Fancheng to resist Guan Yu's attack, which shows that he is also a very powerful star!
Sun Quan saw Guan Yu attacking Xiangfan and took Jingzhou back. In fact, he didn't get any benefits. Sun Quan's troops are all in Jiangxi, so there is no way to threaten Cao Cao with Jingzhou. Cao Cao may still be very proud, because Sun Quan helped him get rid of Guan Yu. However, Liu Bei lost Jingzhou, but he lost a strategic place. Liu Bei must be very sad.
The important thing is that Zhuge Liang will be angry because the disappearance of Jingzhou has affected his plan. His original idea was that Jingzhou must be occupied as the development base first, then Yizhou should be fought, and then the troops should be divided into two teams, one from Yizhou, the other from Jingzhou to fight Cao Cao, and finally the whole country should be unified.
Now that Jingzhou has been lost, it seems impossible for his two armies to attack Cao together. Now, if you want to fight the Central Plains, you can only take the road of Shu, but it is difficult to take it. So every time Zhuge Liang sent troops from Shu to the Northern Expedition, the transportation of grain and grass would give him a headache. Guan Yu's carelessness in Jingzhou this time is also an important reason why Shu can't unify the world.
Third, the place that everyone wants to occupy.
Xiangfan is the oldest strategic location in the history of China. Xiangyang and Fancheng are on both sides of the Hanshui River. This place has a good geographical position and steep terrain, which has always been valued by politicians and military strategists in previous dynasties. Yue Fei, a famous anti-gold star in the Southern Song Dynasty, once said: "Xiangyang is a battleground for unifying the whole country and cannot be occupied by others."
Some archaeologists found that our ancestors began to live here 600 thousand years ago. Xiangfan is the collective name of Xiangyang and Fancheng. Fancheng was built in the Western Zhou Dynasty and Xiangyang was built in the Han Dynasty. Xiangfan is a city established after the founding of New China, which is divided into Xiangyang, Dong Fan and Fanxi.
4. How did Guan Yu catch Yu Ban?
Cao Cao was ordered to take the Seventh Route Army to Fancheng to help Coss resist Guan Yu. When Guan Yu heard that Yujin was coming, he was not in a hurry to attack Fancheng. Instead, he sent troops to surround Fancheng, so that Coss did not dare to come out, and then concentrated his forces to eliminate the ban.
Later, it rained heavily, and Guan Yu, who was stationed in the upper reaches of the Hanshui River, sent troops to build dams to store flood water. When the water was enough, he burst the dam, and the flood washed away all the troops stationed in the lower reaches of the Hanshui River. In this way, Guan Yu easily caught Yu Jin.