PolyhedralPig
चुनौती दें संदेश इसके अलावे और

Popularity of openings over time at master level and super-GM level:

https://www.chess.com/blog/PolyhedralPig/popularity-of-openings-over-time-at-master-level-and-super-gm-level

पुरस्कार
क्लब
Team ILLINOIS
Team ILLINOIS 168 सदस्य
Team USA
Team USA 3,601 सदस्य
The Windy City Chess Club
The Windy City Chess Club 471 सदस्य
Team 8
Team 8 2,870 सदस्य
Chess Corner
Chess Corner 792 सदस्य