IntrinsicMotivation
Arseniy Popov
Plymouth
عضو ماسي
"The key is in not spending time, but in investing it." - Stephen R. Covey
الأندية
Custom Positions Club
٨٨٧ عضو
Historical Association
٥٬٣٥١ عضو
Milky Way Defenders
١ عضو
Chess4All
٩٢٧ عضو
500 Games Society
٣١٦ عضو