https://support.chess.com/article/579-im-trying-to-play-chess-but-i-cant-see-the-board
https://support.chess.com/article/592-clearing-your-chrome-browser-cache
Error en Chrome al jugar contra CPU.

Thanks, but after clearing the cache and deleting cookies, the problem continued. But I saw that I had an active chrome extension and disabling it fixed the problem.
The extension that produced that error is https://chrome.google.com/webstore/detail/translator/hiidjliailpkjeigakikbfedlfijngih
Al jugar una partida contra un bot, se muestra un sector de la pantalla en blanco y no se puede ver el tablero:
Probé borrar cookies y el problema continúa. En Firefox funciona bien.