Xingnan Kingdom is located north of Da Zhou, where there is a vast grassland. Their warhorses are much better than those of Da Zhou.
On the Great Zhou side, they would buy horses from Xingnan, which is why the Great Zhou has tolerated them until now.
This time, Prince Xingnan and the young master went on a diplomatic mission to the Great Zhou Dynasty, but in reality, they came to sell horses again.
Prince Xingnan took out a chessboard, walked to the center of the hall, and introduced it: "There are thirty chess pieces on this board. Unlike Go, the rules are that the two players take turns removing the pieces, one, two, or four at a time. Whoever removes the last piece loses! Little girl from the top scholar's family, do you understand?"
Gu Xin nodded: "Yes. Best two out of three, ten warhorses!"
The little voice inside her was dancing. This was a game her older sister often played with them. She rarely lost. She loved numbers, so she always managed to make the other person lose.
She wasn't afraid at all; she was smart, and her sister had even taught her how to do it.
This relies on calculations. Regardless of who gets first place, once the opponent gets their turn, you start calculating the outcome of the opponent taking one, two, and four respectively after you take one, two, and four. In other words, you need to calculate every possible scenario for each subsequent step from the very beginning.
Gu Xin performed this simple calculation without pausing.
The people of the Great Zhou had never played this before, so the emperor had a large Go board brought over to demonstrate for everyone present, and also had a small table brought to the center of the hall.
Prince Xingnan was tall and strong, and Gu Xin's height only reached his waist. He glared at Gu Xin angrily.
Gu Xin kept smiling, her little hands behind her back.
My father said that when playing chess, you can't lose in terms of momentum.
She gestured for Prince Xingnan to sit down first.
Prince Xingnan glared at Gu Xin and sat down cross-legged.
Gu Xin, on the other hand, was kneeling with her back straight.
Once the large chessboard was set up, the emperor signaled to Eunuch Fu to announce the start.
Gu Xin gestured for him to proceed, but Prince Xingnan was not going to stand on ceremony. In Xingnan, men and women were equal, and he wouldn't give way to anyone just because they were girls!
Moreover, this brat has made him lose eleven horses. Although his family has a large herd of horses, losing is still a disgrace.
Prince Xingnan took four at first, Gu Xin took one, Prince Xingnan took another, Gu Xin took four, Prince Xingnan paused, thought for a moment, and then took two more...
After several rounds, it was Prince Xingnan's turn. There were only four left on the table. He couldn't take them all at once, but no matter whether he took one or two, Gu Xin would take one more time, and he would definitely have one left.
The people of Da Zhou understood that Prince Xingnan had lost, and then they began to think about which move Prince Xingnan had taken too much or too little.
Gu Xin wins the first game.
In the second round, Xingnan Prince let Gu Xin take the first turn.
Gu Xin only took one, and then Prince Xingnan made his move. In the end, there were only four left.
The people of Da Zhou and Xing Nan were stunned.
This game was invented by Xingnan, right? But Prince Xingnan was clearly thinking about every move, while the youngest daughter of the top scholar's family picked up the pieces without hesitation, as if she hadn't thought about anything at all.
Did she guess how many stars the prince would take while he was thinking?
Little did they know that after Prince Xingnan made his first move, Gu Xin had already planned out how much Prince Xingnan would take in each subsequent move, and how she should take it and how to make him lose.
Best of three, Gu Xin won two games, so there was no need for a third game.
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