But Yuan Shao raised his troops and hoped that the official crossing would advance. Xiahou Dun sent a letter to express his gratitude. Cao Cao raised 70,000 troops to meet the enemy and left Xun Yu to guard Xudu. When Shao's troops were about to set off, Tian Feng wrote a letter from the prison to advise, "Now, it is better to stay calmly to wait for the weather, and not to prosper the army, as there is a disadvantage." Feng Jizi said, "Lord promotes a benevolent and righteous army, why did Tian Feng make such an ominous word?" Shao was angry and wanted to kill Tian Feng. The officials told him to dismiss him. Shao hated him and said, "When I defeat Cao Cao, I will make a clear correction of his crime!" So he urged the army to advance, flags and swords were everywhere, and swords were like forests. He walked to Yangwu,

He went down to the gate of Dingzhaizhai. Ju Su said, "Although our army is numerous, it is not as brave as the other army; although the army is strong, the food and grass are not as good as our army. The army has no food, so the advantage is to fight urgently; if our army has food, it is suitable to defend slowly. If we can stay away from the sun and the moon, then the army will be defeated without fighting." Shao said angrily, "Tian Feng is slow in our army's morale, and I will be beheaded him on the sun. How dare you do this again!" He scolded his left and right: "Jusu is locked in the imperial guards, and after I defeat Cao, we will be punished with Tian Feng!" So he ordered the army to be 700,000, east, west, south, north, and around, and connected for more than 90 miles.

He carefully investigated the virtual and the real, and reported to Guandu. Cao's army had arrived and was afraid when he heard about it. Cao Cao discussed with all the advisers. Xun You said, "Although there are many Shao troops, they are not enough to be afraid. All the elite soldiers in our army are worth ten. But the advantage is to fight urgently. If the sun and moon are delayed, the food and grass are not enough, the matter will be worrying." Cao said, "What he said is exactly what I want." Then he ordered the general to advance. Shao's army came to welcome him, and the two sides formed a formation.

The soldiers of the imperial guards were 10,000 crossbowmen, and they were lying on both wings; 5,000 archers were lying in the door flag: the accompaniment was fired at the same time. After the three drums, Yuan Shao was golden helmet and golden armor, brocade robe and jade belt, and immediately stood in front of the formation. Zhang He, Gao Lan, Han Meng, Chunyu Qiong and other generals were arranged left and right. The flags and axes were very strict. The flags and flags at the entrance of the Cao formation were opened, and Cao Cao took the horse. Xu Zhu, Zhang Liao, Xu Huang, Li Dian and others each held weapons and guarded the front and back.

Cao Cao pointed at Yuan Shao with a whip and said, "I will report you as the general before the Emperor. Why are you plotting a rebellion now?" Shao said angrily, "You are entrusting to the name of Han Prime Minister, but you are actually a traitor of Han! The crime is so evil that it is more than Mang. Zhuo, so he falsely accused people of rebellion!" Cao said, "I am now obeying you!"

Shao said, "I am wearing an edict to fight the thief!" Cao was angry and sent Zhang Liao to fight. Zhang Tai jumped on horseback to meet. The two generals fought for forty or fifty rounds, and there was no difference between the winners and losses. Cao Cao saw that, he secretly praised him. Xu Chu waved his sword and rode his horse and went straight to help the battle. Gao Lan held the gun and caught the enemy. The four generals caught the opponents and fought. Cao Cao ordered Xiahou Dun and Cao Hong to lead three thousand troops to attack the other formation. Seeing that Cao's army came to fight, Shen Pei ordered the roaring cannons: Two thousand crossbows were launched, and the archers in the central army rushed out to shoot in front of the formation. How did Cao's army fight against the enemy? Looking south, Yuan Shao drove his troops to kill, Cao's army was defeated and retreated to Guandu. Yuan Shao moved his army to Guandu and went downstairs. Shen Pei said, "Now you can transfer it."

A hundred thousand soldiers guarded Guandu, and built a mountain of earth in front of Cao Cao's village, and ordered soldiers to look down and shoot arrows in the village. If Cao abandoned this and left, I would get this pass and Xuchang could be broken." Shao followed him and selected elite soldiers from each village, and used shovels and earth to come to the edge of Cao Cao's village, and built a mountain of earth. In Cao's camp, Yuan's army built a mountain of earth and wanted to go out to conflict, but the crossbowmen were guarding the key road and could not move forward. Within ten days, more than fifty earth mountains were built, high oars were raised, and crossbowmen were placed on it to shoot arrows. Cao's army was very frightened and all defended with archers. There was a sound of gangs on the earth, and the arrows were raining. Cao's army was all buried in the ground, and Yuan's army shouted and laughed.

Cao Cao saw the army panic and gathered all the advisers to ask for advice. Liu Yejin said, "You can make a stone cart to break it." Cao ordered Ye to enter the cart and build hundreds of stone carts overnight. It was distributed inside the camp wall, facing the cloud ladder on the earthen mountain. When the archers were waiting for the archers to shoot archers, the camp pulled the stone carts together, and the cannon stones flew upwards and hit them randomly. There was no place for people to hide, and countless archers died. Yuan Jun called his cart "Pili Cart". Therefore, Yuan Jun did not dare to climb high and shoot archers. Shen Pei offered another plan: Order the soldiers.

He used a shovel to hit the tunnel in secret, and penetrated directly into Cao's camp, calling it "Diguzijun". Cao's soldiers saw Yuan's army digging a pit behind the mountain and reported to Cao Cao. Cao asked Liu Ye again. Ye said, "This Yuan's army cannot attack the light but attack the dark. He digs the underworld and wants to penetrate the camp from the ground to enter." Cao said, "How can we control it?" Ye said, "You can dig long trenches around the camp, and then the hidden trenches are useless." Cao sent the army to dig the trenches overnight. Yuan's army digs the underworld and reaches the edge of the trenches, but it is impossible to enter, and the military power is spent.

However, Cao Cao guarded Guandu. From August to September, the army was gradually exhausted and the food and grass was not allowed to continue. He wanted to abandon Guandu and retreat back to Xuchang, but hesitated and decided, so he wrote a letter to send someone to Xuchang to ask Xun Yu. Yu reported it with a letter. The book said: "Accepting the order of honor and sending doubts about advancement and retreat. I was foolish because Yuan Shao gathered all the people at Guandu, and wanted to decide the victory and defeat with Ming Gong. The Duke should be the strongest. If he could not control it, he would take advantage of it. This is a great opportunity in the world. Although Shao's army was numerous, it could not be used. With Gong's god, Wu Mingzhe, what is the point of not helping him! Although the army is actually very small, it is not as good as Chu. Han is in Xingyang and Chenggao. Gong is now drawing the ground and guarding him, and he is strangling his throat and unable to advance. When the situation is exhausted, there will be changes. At this time of strange use, it must not be lost. Only Ming Gong is observing it." Cao Cao was very happy to get the letter and ordered the soldiers to serve and defend it.

Shao's army retreated for more than 30 miles, and Cao sent generals out of the camp to patrol. Xu Huang's general Shi Huan obtained detailed work by Yuan's army and found Xu Huang. Huang asked about the facts of the army. He replied, "At the time and in the end, the general Han Meng transported grain to the front of the army to help us first." Xu Huang reported this to Cao Cao. Xun You said, "Han Meng is a brave man. If he sends a man to lead thousands of light cavalry and attacks him halfway, he will cut off his food and grass, and Shao's army will be in chaos." Cao said, "Who can go?" You said, "It's time to send Xu Huang." Cao then sent Xu Huang to take Shi Huan and his troops out first, and then sent Zhang Liao. Xu Chu led his troops to rescue him. That night, Han Meng escorted thousands of grain chariots and sent him to Shaozhai. Just as he was walking, Xu Huang in the valley, Shi Huan led his army to intercept the way. Han Meng came to fight, and Xu Huang caught the fight. Shi Huan killed the scattered husband and set fire to the grain chariots.

Han Meng couldn't resist and turned his horse back to his horse. Xu Huang urged the army to burn all the baggage. In Yuan Shao's army, he saw the fire on the northwest, and was shocked and suspicious. The defeated army threw in: "The food and grass are robbed!" Shao rushed to send Zhang Tai and Gao Lan to cross the road. When he met Xu Huang burning grain, he was about to fight. Zhang Liao and Xu were coming. Behind him, he attacked and killed Yuan's army. The four generals joined forces and returned to Guandu Village. Cao Cao was very happy and rewarded him more. He divided his troops to form a camp in front of the village to make a junction.

But Han Meng returned to the camp, Shao was furious and wanted to kill Han Meng, and all officials persuaded him to dismiss him. Shen Pei said, "Food is the most important thing in the army, and you must be careful. Wuchao is where the food is stationed, and you must be heavily guarded." Yuan Shao said, "My plan has been decided. You can go back to Yedu to supervise the food and grass, and don't have any education." Shen Pei took the order and left. Yuan Shao sent the general Chunyu Qiong, the subordinate generals of the army, Generals of the army, Wu Yuanjin, Han Juzi, Lu Weihuang, Zhao Rui and others to lead 20,000 troops to guard Wuchao. Chunyu Qiong was just drunk, and many soldiers were afraid of him. After he arrived in Wuchao, he gathered with the generals all day long. Let's say that Cao Cao's military rations were exhausted.

, , sent an envoy to Xun Yu to help Xun Yu quickly handle the food and grass, and sent him to the army to help him at night. The envoy brought the letters and walked for less than 30 miles. He was captured by Yuan's army and tied up his counselor Xu You. Xu You, the courtesy name was Ziyuan, and he was a friend of Cao Cao when he was young, but he was a counselor at Yuan Shao. He found Cao Cao's letters to urge grain from the envoy, and came to Shao directly and said, "Cao Cao stationed the military officers' ferry, and he had been with me for a long time, and Xuchang will be empty; if one army blocked Xuchang at night, Xuchang could be pulled out and Cao could be captured. Now Cao's food and grass have been exhausted, so he can take this opportunity to attack him in two directions." Shao said, "

Cao Cao had many tricks, and this book was a plan to lure the enemy." You said, "If you don't take it now, you will suffer the consequences." As he was right, a messenger came from Ye County and presented him with a copy of the book. The book first talked about the transfer of food; later, he said that when Xu You was in Jizhou, he had received a lot of money and property from the people. Even if his sons and nephews were asked to pay more taxes, money and grain were paid to him, and now he had already taken his sons and nephews to prison. Shao was furious when he saw the book, saying, "You are abusing the man! You still have a face to offer my plans before me! You have an old friend with Cao Cao, and I think you will also accept his money and bribe him to be a spy to earn our army! You should be beheaded, but now you are entrusted with your head! You can quickly

Withdraw, we will not be allowed to meet each other in the future!" Xu You came out and sighed to the sky, "Loyal words are unpleasant, and my son is not enough to plot against me! My nephew has been harmed by Shen Pei, how can I see the people of Jizhou again?" So he wanted to draw his sword and commit suicide. He grabbed the sword from the left and right and persuaded him, "Why did you come here to be here? Yuan Shao kept saying frankly that he would be captured by Cao Cao. Since he had an old relationship with Cao Gong, why don't you abandon the secret and turn to the light?" Only these two words awakened Xu You; so Xu You went to Cao Cao directly. Later generations sighed: "Originally, the heroic spirit was over China, and the officials ate together was in vain. If Xu You made plans and use them, the mountains and rivers would be able to belong to the Cao family?"

But Xu You walked out of the camp secretly

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To be continued...