Wow, what an unlikable MC. And the "haha, you're a girl" bullshit is just so tiresome.
This.
And imagine actually losing in the chess to someone who playing first time in their life.
What's next, maybe she can land a plane, do a heart transplantation, or make a cold fusion reactor with nothing, but one-time oral explanation? Why stop at mere shogi?
Hilarious, she's more Mary Sue than most of isekai protagonists, they at least usually gain powers from gods or something.