Activity: Chess Club

Sat · Oct 24·1 PM – 3 PM·Excelsior, San Francisco Public Library

Learn chess basics or sharpen strategies with Bright Knights Chess Club at the Excelsior branch of the San Francisco Public Library, free, for ages 5–10.

Wed · Oct 28·6 PM – 7:30 PM·Bernal Heights, San Francisco Public Library

Bernal Chess Club offers a short chess talk and casual games at SF Public Library Bernal Heights, bring a set, for ages 18 and up.

Sat · Nov 7·1 PM – 2 PM·Excelsior, San Francisco Public Library

Learn chess basics or sharpen strategies with Bright Knights Chess Club at the Excelsior branch of the San Francisco Public Library, free, for ages 5–10.

Sun · Oct 25·3601 Lyon St, San Francisco

Cal Hacks 13.0 (3601 Lyon St, San Francisco) — 36‑hour hackathon offering workshops, industry mentors, corporate partners, food, swag, and prize pool of cash and devices.

Sun · Oct 25·5 AM·Event Location, San Francisco

Cycle Track open until 10:00 AM at Event Location, San Francisco.

Sun · Oct 25·8:30 AM – 4:30 PM·San Francisco, CA (Farallon Islands)

Eight‑hour naturalist‑led whale watching expedition sails from San Francisco under the Golden Gate Bridge to the Farallon Islands, featuring an expert naturalist, $320 per person, ages 13+.

Fri · Oct 23·12 PM – 2 PM·Main, San Francisco Public Library

A writing workshop led by award‑winning poet and SCW Institute founder Alexandra Kostoulas at the San Francisco Public Library Main, for ages 18 and up.

Fri · Oct 23·1 PM – 2:30 PM·Sunset, San Francisco Public Library

Cantonese tablet/smartphone tutorial at Sunset Library teaches camera focus, exposure, basic functions, and QR scanning; bring your own Apple or Android device; for ages 60 and up.