The Ultimate Programming and Design Tournament

Including the first-ever TCO Developer Conference, Celebrity Match, API Mashathon
and the chance to win t-shirts, prizes and up to $25,000 in cash!

November 16 – 19, 2014

Pier 48 near AT&T Park
San Francisco, California

Event Sponsors

Two Sigma
Sequoia Capital

What is [topcoder] Open?


The [topcoder] Open (TCO) is a world-wide programming and design tournament that takes place for an entire year before narrowing down the best of the best for the ultimate showdown live on stage!

Join us at the TCO this year for the first year we offer a number of developer events around this grand tournament. Learn more


Recent Blog Posts

Design and Development Finalists Announced!

Posted by jmpld40 on Tuesday , August 12th, 2014 at 10:43 am

Congratulations to our TCO14 Design and Development Champions! Design Champion: [albertwang] Development Champion: [sky_] Congratulations to all top 12 overall winners for each track!

Learning from the past, part 2A

Posted by misof on Sunday , August 10th, 2014 at 8:08 pm

Let’s try something simpler and fun this time. Here’s a fun little twist on the famous Monty Hall problem. Imagine yourself as a contestant on a game show. You are presented with seven identical doors. The grand prize is hidden behind one of the doors. Each of the other six doors hides a goat. The…

Read More

Forum Posts