第28堂主題課程：棋子狀態

https://youtube.com/live/ukZ7PTsB3H0?feature=share

https://www.101weiqi.com/chessbook/notation/44707/

http://h5.foxwq.com/txwqshare/index.html?chessid=1674878143030044719

https://www.101weiqi.com/chessbook/mychess/7284701/

https://www.101weiqi.com/chessbook/mychess/7204738/

http://h5.foxwq.com/txwqshare/index.html?chessid=1674014372030001929

http://h5.foxwq.com/txwqshare/index.html?chessid=1674467025030002271

https://www.101weiqi.com/chessbook/notation/44607/

https://www.101weiqi.com/chessbook/mychess/7255418/