In the press

Schachkicker: Chessfestival Groningen: Sieg für 14-järigen IM
Diving Chess:
- Chessbase: Zyon Kollen dives to victory at World Diving Chess Championships in Groningen
- Australie: Diving Chess World Champion Crowned
- Mindsports Olympiad: WC Divechess 2025, Groningen, the Netherlands
- BBC: Underwater chess champions compete for world title
- Reuters: World Diving Chess Champ crowned in the Netherlands
- Reuters Facebook: The Netherland’s Zyon Kollen was crowned the world champion in diving chess, a sport that combines swimming and chess

Chess Festival Groningen