Here's a link to a 10x10 game (setup position has 60 pieces) called Sac Chess I'm currently playing (the rules can be found by scrolling down after clicking the link, for example) - this game is a now well-play-tested chess variant invention of my own [edit: this game has since finished]:
https://www.chessvariants.com/play/p...om-2020-85-309
Here's a link to another game of Sac Chess I'm currently playing, against the same opponent (a Mexican who, if he had a FIDE chess rating, I'd guess it would be about 2000) [edit: this game also has since finished]:
https://www.chessvariants.com/play/p...om-2020-85-310