March 28 @ 6:30 pm - March 30 @ 7:00 pm 91st Bristol Open Championship 2025 BS8 Bristol Grammar School, Bristol, United Kingdom
April 18 - April 21 Welsh Chess Championships 2025 Mercure Cardiff North Hotel Circle Way East, Cardiff, South Glamorgan, United Kingdom
May 10 - May 11 Late Spring Chess Congress 2025 Best Weston Heronston Hotel Ewenny Road, Bridgend, South Wales, United Kingdom
May 24 @ 8:00 am - May 26 @ 5:00 pm 55th Cotswold Chess Congress King's School Pitt Street, Gloucester, United Kingdom
June 14 Welsh Rapidplay Chess Championships 2025 Best Weston Heronston Hotel Ewenny Road, Bridgend, South Wales, United Kingdom
July 4 @ 6:30 pm - July 9 @ 6:30 pm South Wales International Open Best Weston Heronston Hotel Ewenny Road, Bridgend, South Wales, United Kingdom
