完成于
每队的选手
每步棋允许天数
同步游戏
计分
注册开放
等级分范围
自动启动
格式
“The most important feature of the Chess position is the activity of the pieces. This is absolutely fundamental in all phases of the game: Opening, Middlegame and especially Endgame. The primary constraint on a piece’s activity is the Pawn structure.” ~Michael Stean
