Gros Xake Taldea is a long-established chess club and prominent tournament organizer based in Donostia/San Sebastián, Basque Country, Spain. It has built a strong reputation in Spanish chess through both elite competition and broad local activity. Moreover, the club is widely recognized for combining high-level team success with a deep commitment to community chess.

The organization runs a steady calendar of classical chess, rapid events, school competitions, and recurring open chess tournaments in San Sebastián. In addition, it is closely associated with major events such as the San Sebastián International Open and other rated competitions held at its Anoeta venue. As a result, Gros Xake Taldea stands out as a leading chess organizer for ambitious players, juniors, and local members alike.

Beyond tournament hosting, the club also places strong emphasis on junior chess and structured chess training through school partnerships and development programs. Furthermore, its long public presence and visible competitive results reinforce its role as one of the most important chess associations in the Basque chess scene. Therefore, Gros Xake Taldea remains a key organizer for both grassroots and high-level over-the-board chess in northern Spain.