I did it a while ago :) 36 matches is quite a result!
https://steemit.com/steemiteducation/@schamangerbert/chess-lesson-coordinate-training-schach-lektion-koordinatentraining
I did it a while ago :) 36 matches is quite a result!
https://steemit.com/steemiteducation/@schamangerbert/chess-lesson-coordinate-training-schach-lektion-koordinatentraining