Handan City is the most unique capital city in the world, and its capital (small city) is outside Guocheng (big city). This arrangement made the Zhao people take advantage of a lot. For example, if the capital is within Guocheng, the Qin army will surround Guocheng, but now the capital is outside Guocheng, the two cities are more than 50 steps apart and the corners of the city are opposite, and it will take a longer front and more troops to encircle Handan.

In addition, between the capital and Guocheng, that is, the northwest and southeast corners, troops could not be used, once the troops were used, the defenders of the capital and Guocheng attacked at the same time, and the Qin army would be flanked from the front and the flanks. This tactic was tried and tested repeatedly in the last Battle of Handan, and now the Qin army is only fortifying in these two directions, and the attack is mostly containment.

This is defending the city, and now hundreds of thousands of people are going to break out of the capital and Guocheng, and this structure of separating the capital and Guocheng is not suitable for calmly forming a formation. Even though Su Kai revealed that the Chu army would have five divisions and four divisions of Zhuyue (dissatisfied with the formation) to assist in breaking through, the military council in Sima's mansion still did not reach an agreement.

The capital city and Guocheng are separated by more than 50 steps, and the actual water flows between the capital and Guocheng. Whether to cross the water out of the capital, from the north of Fushui to Zhangshui, or out of Guocheng to cross the water, from the south of Fushui to Zhangshui, this is not only a tactical issue, but also a political issue.

There is also the formation, the circle formation is the most stable formation, the circle of more than 400,000 people should be 800 people in diameter (S=πR2), so that 500,000 people can stand in the circle; The circumference of the diameter of 800 people (C = πd) is 2,513 people.

If the diameter is reduced to seven hundred, its circumference is two thousand one hundred and ninety-nine. Each lap is six fewer than the outer circle (since the diameter of each lap is reduced by two people, the length of each lap is reduced by twice the length of 6.28 pi, which is actually six fewer persons). 100,000 people lined up, which can form a military formation with a depth of 42 lines.

However, the center of such a tight circle is too narrow, which does not conform to the prestige of the king and nobles, and at the same time, there is not enough space for a series of valuables such as the palace's baggage, treasures, and former kings and gods. The royal court had to have at least a hundred to two hundred paces of space to separate the royal court from the common people outside. In this way, the diameter would become a thousand men, and the outermost circle would require standing three thousand one hundred and fourteen soldiers, and one hundred thousand men in formation, and its depth would be only thirty-two rows.

Whether the depth of the thirty-two elements will be broken by the Qin army, the strategists do not know. But what they could be sure of was that once the array of thirty-two people in depth was penetrated, the Qin army would be able to rush into the formation and slaughter on a large scale. Therefore, all men, including temple men and craftsmen, were to be armed to increase the depth of the array; Women, as long as they can lift a spear and halberd weighing more than ten kilograms, they must also be armed, also in order to increase the depth of the array.

It's just that this still can't guarantee the safety of the king, the queen mother, and the royal court. The trebuchets that lined the city were too heavy to move and therefore could not be carried, but the Qin army could place trebuchets on the retreating route. The circle is dense, and once the circle is hit by a huge stone thrown by a trebuchet, and then charged by cavalry, the line dozens of lines deep will not be able to be maintained......

How to eliminate the threat of trebuchets? How to assemble a giant circle with a diameter of 1,000 people? After assembling, how did they move to the west bank of Zhangshui, which was more than 30 or 40 miles away? Do you only arrange one round formation, or do you risk reducing the depth and set up several elite Zhao troops outside the circle in order to break the trebuchets of the Qin army?

The spirit robe summoned the ministers all over the world to ask the time, and the arguments in the governor's mansion lasted all day and night. Formation, diameter of the circle, assembly location, assembly order, marching route, marching schedule...... These are the main points of contention among the generals and strategists. Sima Shang, the general who presided over the military meeting, was unable to argue with Zhao Cong, Han Su and others, and he knew very well in his heart that any mistake that caused the collapse of the military formation would be a catastrophe for Zhao State.

Li Mu's henchman Fox Baby did not have his prudence, and when Zhao Cong proposed another set of plans, the angry Fox Baby quarreled with Zhao Cong, Han Su and others.

There were 50,000 kings and soldiers in Handan City, including 30,000 armor soldiers and 20,000 black-clothed soldiers, when Yan Ju succeeded Li Mu as a general, he led 20,000 elite armor soldiers to the north, and only a few thousand people fled back to Handan after the defeat of these 20,000 armor soldiers.

After the Zhao army of the Southern Great Wall was withdrawn, Wang Ting immediately selected 20,000 people from the Zhao army on the southern front as the king's pawn, and asked Sima Shang to return the axe and the talisman and retreat to the national governor's mansion. Now the whole city can not be commanded by the defeated general Zhao Cong, of course, and can only re-grant Sima Shang the axe and Yue soldier talisman, but after a few months of fierce battles, there are only more than 70,000 soldiers left in the Zhao army on the southern front, of which 20,000 are classified as Wang pawns, and only 50,000 are left.

Zhao Cong's meaning today is: 50,000 Wang Pawn is responsible for protecting the safety of the King and the Queen Mother, so they are not arrayed outside, but unlike the building structure of the capital and Guo Cheng, the Wang Pawn Army Formation will be placed in the Zhao Army Formation on the Southern Front. It is equivalent to the outermost southern line Zhao army to protect the common people, the common people protect the king, and the king protects the king and the queen mother.

The diameter of the circular array is still 1,000 people, and the 50,000 Zhao army can only list a thin military formation with a depth of 15 lines. The Chu army's abandonment of the flower team and the adoption of the pure team had a very great impact on the Qin army, making its military formation thicker and thicker, otherwise it would not be able to resist the endless spear fighting of the Chu army. The military reform of the Qin army affected the state of Zhao, and the depth of thirty or forty lines was considered sufficient in the past, but now the depth of fifty or sixty lines is also considered thin. Even if there is no spear formation in the depth of the fifteen elements, it will collapse at the touch of a touch in the face of the Qin army's sharp soldiers.

"Zhao Cong is not dead, Zhao Jun is still defeated!" Zhao Cong is here to inform, not to argue, just now the fox baby has been holding him theorizing.

"The Queen Mother favors Guo Kai, Guo Kai only believes in Zhao Cong, so it can only be so." Sima Shangdao.

Compared to a year ago, Sima Shang has aged a lot. Especially when the news of Yan Ju's change of generals and Li Mu's death came, he couldn't afford to be sick at that time. What happened later was unexpected, the guest actually assassinated the King of Qin in Xianyang, and there were countless dead people in Zhangtai Palace, and there was not enough blood. This is not an assassin of the Qin State at all, this is the assassin of the Zhao Kingdom! Li Mu's head was only a talisman to win the trust of the Qin people, and the assassin suddenly attacked during the meeting, and almost killed the king of Qin on the spot.

Stimulated by this, Sima Shang cheered up on the same day and commanded the Zhao army on the southern front to retreat to Handan with his sick body. With the strong heart of the Zhao people, he didn't care about the cold of the royal court, and he inherited the unfinished will of Lian Po Li Mu. The fox baby didn't know his psychology, and when he saw that he was indifferent, he said angrily: "Rather than this, it's better for Guo Cheng for a while, the capital for a while, and each doing its own thing." ”

"No!" Sima Shang objected. "The military formation is not a city wall, and one formation is not enough, how can it be divided into two formations?"

"So what? There are no more soldiers in the city, and the craftsmen are in the royal city. "The fox baby was also angry just now, and two formations are obviously impossible.

"There's one more." Sima Shangdao, he thought of a person.