A lot of exercises, e.g. from Stappen, contain simple positions, where only one king is present. Some mate exercices only contains the pieces which are necessary.

Lichess Studies is a great tool. I currently use it for youth training for homework exercises (mode: interactive exercises). I often have exercises whit illegal positions (illegal because only one kin…

When I create a challenge with this endpoint, the game is created, but the game doesn't open. The players don't get an information that the game starts. Is there a way that players are notified or see…

Swisschess algorithm is using Fide rules

I have done a test how many rounds are possible in swiss system. I have used Swisschess, entered a tournament with 10 players. As results I have chosen draw for all games. In this constellation it is …

I tested challenging and accepting games with oauth tokens. It works: games are started. But I don't see the game neither in app nor in browser. I have to go to my profile and there I see a running ga…