[OC]國際象棋的棋子是從哪個位置移動的？來自100,000盤棋的數據的動畫

[OC]國際象棋的棋子是從哪個位置移動的？來自100,000盤棋的數據的動畫

[OC] From which squares are chess pieces moved? An animation of data from 100,000 games
from /r/dataisbeautiful