Zhuge Liangcao's boat borrowed arrows, and he could calculate that there was fog on the river, and when the fire burned the valley above, why couldn't he calculate that there was rain?
Introduction: Zhuge Liang is the watershed in Liu Bei's life, Liu Bei did not meet him before, although he had already taken Guan Yu and Zhang Fei to fight for more than twenty years, during which he also took Xuzhou but has been defeated repeatedly, the three of them have nothing to do but be a small New Field Defender. However, after encountering Zhuge Liang, the situation changed, Zhuge Liang used a "Longzhong Pair" to name Liu Bei the task, and soon after, he used "burning Bowangpo", "The Battle of Chibi" and other wars to let the world see his talent, and also helped Liu Bei establish the Shu Han to successfully divide the world. After Liu Bei's death, Zhuge Liang became the de facto leader of the Shu Han Dynasty, assisting the Later Lord Liu Chan while leading the Shu Han army to the Northern Expedition many times, during which he fought many beautiful battles. What is strange is that when Zhuge Liang's grass boat borrowed arrows, it could be judged that there was fog on the river, why did it not count that there was rain that day when the fire burned the upper valley?
The incident of the straw boat borrowing arrows occurred on the eve of the Battle of Chibi, when Cao Cao had just taken all of Jingzhou, and after obtaining the Jingzhou water division, he wanted to take Jiangdong with the trend, and Zhuge Liang successfully promoted the alliance between Eastern Wu and Liu Bei with his cold lips and teeth, and the two families joined forces to resist Cao Cao's troops. However, Jiangdong lacked armaments, and Zhou Yu, the governor of Jiangdong, also deliberately tried to make Zhuge Liang difficult, asking him to make 100,000 arrows in ten days, otherwise he would be executed according to military law. Zhuge Liang knew Zhou Yu's intentions, and he was not worried, because he had already made perfect preparations, and the 100,000 arrows were obtained from Cao Ying.
Zhuge Liang worked hard in Nanyang before he entered the army, and according to his personality of being a hands-on person, he had to do everything perfectly. At that time, the common people could already summarize a set of unique weather and meteorological theories, when it should rain, when there was fog on the river can be successfully judged, Zhuge Liang is also at this time to learn this set of theory, it is not unusual to use this theory on the battlefield.
The Battle of Shanggu took place during Zhuge Liang's last Northern Expedition, and he and Sima Yi had won and lost each other for more than ten years in the Northern Expedition, and once helped Shu Han take the Longxi region, but was later cracked by Sima Yi in the street pavilion. This time Zhuge Liang discovered this place called the Upper Valley, which was a natural ambush circle, and he deliberately arranged for one group after another of transport troops to be abducted by the Wei army, and also deliberately released the news that he was in the Upper Valley. Sima Yi heard the news and also fell into an ambush here by Zhuge Liang, Zhuge Liang had already ordered people to put a lot of dead wood, fallen leaves and other flammable goods at the bottom of the valley, and when Sima Yi's army was burned in despair, suddenly heavy rain fell from heaven to save their lives, and Zhuge Liang vomited blood in the rain and fell unconscious.
So why did Zhuge Liang, who knew astronomy and geography, not calculate that there was rain that day? Knowing that this battle was a long-term plan, Zhuge Liang did not know that Sima Yi would come to the upper valley one day, even if he deliberately avoided the rainy day. Second, for time reasons, it was before April to July, and this time was not the rainy season in the upper valley. The rain is mainly because the upper valley is very narrow, and setting fires here will definitely cause the temperature in the valley to rise sharply, and then form artificial rainfall.
Conclusion: In fact, the reason is that Liu Bei's group started too late, when he got Yizhou, Jingzhou, Cao Cao already controlled most of the country's land and population resources. In particular, Liu Bei's defeat at the Battle of Yiling had destroyed Shu Han's family foundation, and at this time Shu Han only had one-fifth of Cao Wei's strength, and such a huge gap could not be filled by human wisdom, and Zhuge Liang could only delay the pace of Shu Han's demise throughout his life.