若い棋士が多少、尊大な感じになるのはよくあることで、 そういうことは将棋界に限った話ではないでしょう。
It often happens that young shogi players become a little self-important, but I don't think that's something limited to the shogi world.

将棋の棋譜には著作権があるのか、といったことはいろいろなところで議論されています。
The question "Do records of shougi games have copyright?" has been discussed in many places.

いつ来てくださっても、将棋の相手をしますよ。
No matter when you come, I'll play a game of Japanese chess with you.