The Kreuzberg Summer Chess Festival 2025 is taking place July 26 – August 03 in Berlin, Germany The tournament is separated in 2 categories – Open and Youngsters. The Open section is a 9 round Swiss system tournament with time control 90mins / 40moves + 30 mins, 30 / move. For more events from Germany, check out The European Chess Calendar, which is part of The Chess Calendar.