5.6 : central cannon vs tortoise-shell cannon
Tortoise-shell cannon ,or mentioned as " soft-hard
cannon " in ancient time ,is created by Ba Ji player in Qing dynasty .
Tortoise-shell cannon is categorized in
strange opening category .If the central cannon side doesn't familiar with
its pattern ,then the central cannon side will gain disadvantage
© 1999~Y2K email@example.com
All rights reserved