第7堂：跳扳斷
https://gogo1.teachable.com/courses/10/lectures/42566050
https://www.101weiqi.com/chessbook/notation/40562/
https://www.101weiqi.com/chessbook/notation/40563/
https://www.101weiqi.com/chessbook/notation/40559/
https://www.101weiqi.com/chessbook/mychess/6184015/
https://www.101weiqi.com/chessbook/notation/40564/
https://www.101weiqi.com/chessbook/notation/40568/
https://www.101weiqi.com/chessbook/notation/40569/
https://www.101weiqi.com/chessbook/notation/40562/
https://www.101weiqi.com/chessbook/notation/40565/
https://www.101weiqi.com/chessbook/notation/40570/
https://www.101weiqi.com/chessbook/notation/40561/
https://www.101weiqi.com/chessbook/notation/40567/
https://www.101weiqi.com/chessbook/notation/40566/