The Chess Slovak Open Skalica 2025 will take place August 23 – August 31 in Skalica, Slovakia. This tournament is separated in 2 categories – Group A and Group B. The group B section is a 9-round Swiss system tournament with time control 90 min/40 moves + 30 min + 30 sec /move. For more events from Slovakia, check out The European Chess Calendar, which is part of The Chess Calendar.