szhang217
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I play chess and so do you and log base 6 2 + log base 6 3 is 1 

 

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俱樂部
The Intermediate Blitz League
The Intermediate Blitz League 660 會員
The Nashville Chess Center
The Nashville Chess Center 594 會員
NAshville chess is awesome yay
NAshville chess is awesome yay 11 會員
MBA Chess Club
MBA Chess Club 31 會員
Bobby Fischer Group
Bobby Fischer Group 4,573 會員