70+ trophies, $2K cash at East Bay Open 2025 on Sat Oct. 11
$2,000 in guaranteed cash prizes. 60+ individual and school/club team trophies. Five sections suitable for world-class players to novices.
Emerald Hills Chess, Tri-Valley Chess League, and the Emerald Knights Chess Club present the fourth East Bay Open 2025.
Last year’s tournament drew 235 players, and was won for the third straight time by GM Enrico Sevillano, who will be back this year to defend his title.
Date: Saturday Oct. 11, 2025 (National Chess Day!)
Location: Windermere Ranch Middle School, 11611 East Branch Parkway, San Ramon (MPR for main tournament; separate quiet classroom for 1500+ Championship section)
Besides the many individual trophies and guaranteed cash prizes on offer, we are also offering 7 team trophies to the top school and club teams. Get your friends and classmates to join and represent your school or club!
