I think these are good ones:
www.lichess.org/practice
chessfactor.com
chesstempo
chessable
Aimchess
Great sites for chess courses of chess improvement?
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thank you.
have you tried
www.master-chess1.com ?
no. tbh i only tried lichess lessons, aimchess and chessable.
i have to try other ones tho but you have to pay for them which sucks
Improving Your Chess - Resources for Beginners and Beyond.....
https://www.chess.com/blog/RussBell/improving-your-chess-resources-for-beginners-and-beyond
Great sites for chess courses of chess improvement?