IV. RUBICON OPEN · 2025
► 250 Participants are divided into groups of five
► only the best two players of each group proceed to the next round
► so presumably six rounds will be played, the tournament will presumably last till spring 2027
► relevant for the registration limit are the data (rating etc.) upon registration; nobody will be excluded when exceeding the rating limits later on
► two days time per move
► no vacation allowed
► have fun!
Previous tournaments of this series:
RUBICON OPEN–I – https://www.chess.com/tournament/rubicon-open-i
II. RUBICON OPEN · 2022 – https://www.chess.com/tournament/ii-rubicon-open
III. RUBICON OPEN · 2023 – https://www.chess.com/tournament/iii-rubicon-open-2023
Start: 09.09.25, 20.30


