Hello.
Please enter :
https://www.chess.com/club/chess-and-nature
Russian tests:
https://quizzer.top/quiz/9692110
https://quizzer.top/quiz/9692141
https://quizzer.top/quiz/9692150
https://quizzer.top/quiz/9692170
https://quizzer.top/quiz/9692180
https://quizzer.top/quiz/9692210
https://quizzer.top/quiz/9692237
https://quizzer.top/quiz/9692249
https://quizzer.top/quiz/9692299