http://www.chicagotribune.com/news/columnists/chi-schmich-sunscreen-column,0,5909206,full.column
क्लब
Tactics and Strategy Chess.com
5,481 सदस्य
Chess Society
2,740 सदस्य
Pasărea Măiastră
174 सदस्य
Chess University
1,08,963 सदस्य