Datumen4. Okt. 2025LandLUTypeindividualSystemSwiss SystemTime controlRapid chessOrganizerOGBL ChessmasterRounds7Tie-breaksTB1: BuchholzTB2: Sonneborn-BergerSourcesLe Cavalier Differdangehttps://lecavalier.lu/OGBL-Chessmaster-20251004.htm