On December 30, 2023, while over-the-board chess was played at the New Haven County & Meriden City Championships, the CSCA simultaneously hosted and managed a major Arena tournament in its Open Events Team on Lichess.org. A CSCA record 2,399 players joined the event for G/1+0 competition from 11 AM to 2 PM. The event also featured a streamers' competition. Indonesia's IM Yoseph Taher won the tournament by a narrow margin over Russia's FM Dmitry Tsoi. Meanwhile, Spain's GM David Larino won the streamers' contest. The Open Events Team rose to the Top 25 teams on Lichess.org, exceeding 11,000 members worldwide.