Owl21.com is an international on-line chess portal, property of NKdata S.L., company which is registered at the Trade Register of Madrid, with registered office at Ctra. Fresnedillas, 18, 28294 - Madrid, Robledo de Chavela (Spain).

Owl21.com is administered by chess enthusiasts dedicated to maintaining high standards of privacy and sportsmanship. We have hundreds of volunteers and a dedicated professional staff from all parts of the world, making Owl21.com a truly international community.

If you have any questions or would like any information about how we can colaborate with your organization please visit our website: http://www.nkdata.com