1. Difference in meaning
Yi: play Go, game.
Yi: accumulation, repetition/overlap; brightness.
2. Differences in usage
Che: a phonogram, which in ancient times refers to Go or playing Go. It can also be used as a noun, verb, or adjective.
奕: Expressing the enhancement of a certain emotion, it is a complimentary word. Extended information
Explanation of ancient books on Yi:
Kangxi Dictionary
"Tang Yun" Yang Yiqie "Ji Yun" "Yun Hui" "Zheng Yun" Yi Yiqie,? The sound is also. "Shuowen" Go is also played. Congyu also sounds. There are no gamers in "The Analects of Confucius". "Zuo Zhuan·Xiang Twenty-Five Years" The chess player is undecided about his move and cannot win against his partner. "Note" Yi, Go also. "Shu" and "Dialect" say: Go is called chess.
Since Guandong, Qi and Lu, everyone has called it chess, which is why the name of this play is called chess. Therefore, it is said that Wen Yi follows the string, and Yan Song holds it with both hands. Mencius said that Qiu is good at playing, and Qiu is famous for being good at playing. In chess, the sons held by the players surround and kill each other, so it is called Go. Shen Shiyun said: Weiqi is called a chess piece, which means falling chess pieces.
Yi's interpretation of ancient books:
Kangxi Dictionary
"Tang Yun" Yang Yiqie "Ji Yun" "Yun Hui" "Zheng Yun" Yi Yiqie ,?The sound is also. Big too. "Poetry Daya" Yiyi Liangshan, Weiyudi. Also the order. "Poetry·Ode to Shang" Ten thousand dances are filled with joy. And beautiful. "Poetry·Song of Lu" The new temple is full of joy. "Yangtze·Dialect" Yi_, Rong Ye. From the west of Guan, all beauty treatments are called Yi or _.