Златен Член
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.
Клубове
Team USA
3 521 Членове
Chess Club UW-Madison
126 Членове
The Cats of Chess
7 Членове
USChess
63 001 Членове
Chess.com Community
46 661 Членове