عضو ذهبي
Hi, I'm Jeff. I am a data scientist who enjoys playing daily chess in his free time. I also have a PhD in mathematics which I earned from the University of Wisconsin-Madison.
الأندية
USChess - Members Only
٣٬٣٦٥ عضو
Improvers
٣٠٬٨٠٣ أعضاء
Team USA
٣٬٦٣٠ عضو
Chess Club UW-Madison
١٣٧ عضو
Chess.com Community
٥٩٬٣٦٦ عضو