The Silver Jubilee Queenstar Open International Rating Chess Championship 2025 is a major chess tournament taking place in Gampaha, Sri Lanka, from August 13th to 17th, 2025. It's organized by the Queenstar International Chess Coaching Academy and features a total prize pool of LKR 2.5 million. The event is open to all rated and unrated players and includes both classical and blitz chess formats.

Dates: August 13th - 17th, 2025
Location: Wet Water Resort, Gampaha, Sri Lanka
Organizer: Queenstar International Chess Coaching Academy
Total Prize Pool: LKR 2.5 million
Eligibility: Open to all rated and unrated players
Formats: Classical and Blitz events
In collaboration with: FIDE and Asian Chess Federation