FreeDUC's last version was 1.5 for primary school and there's also a FreeDUC-games edition.
面向小学的最新版FreeDUC是1.5，另外还有一个FreeDUC -games版本。
"To teach kids chess (Junior class)" is the version of the primary classes.
《教孩子学国际象棋(初级班)》是初级班版。
"To teach kids chess (Junior class)" is the version of the primary classes.
《教孩子学国际象棋(初级班)》是初级班版。
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