人机对弈（五档难度）、引导提升、揭棋、90 局《适情雅趣》古谱残局、邻居对战、对局研习。
照片默认在本机识别，无需联网。请使用棋盘完整、棋子字迹清楚的照片，进入“核对已识别棋子”补齐漏字、修正认错的棋子；合法局面才能开始研习。云端增强是可选功能，需联网并同意上传；服务失败时仍可核对本机结果或手动摆子。
双方打开 Wi-Fi、蓝牙及本地网络权限，让 App 保持前台。飞行模式下仍需手动打开 Wi-Fi 与蓝牙，无需互联网。先在相邻座位或较近距离尝试；实际距离受设备、遮挡和无线干扰影响，不保证固定距离。离开对局请使用 App 内的退出操作。
对局中点右下角“更多”→“悔棋”，撤回最近一个玩家回合并保留此前棋局。
Six modes: AI Match, Adaptive Coaching, Jieqi, 90 historical puzzles, Nearby Duel and Game Study.
Photo recognition runs on-device by default. Use a clear, complete board photo, then review and complete the position in the editor. Cloud enhancement is optional and needs an internet connection plus consent. If it fails, the local result remains available for correction.
For Nearby Duel, enable Wi-Fi, Bluetooth and Local Network permission, and keep the app in the foreground. Airplane mode still requires Wi-Fi and Bluetooth to be switched on manually; internet is not required. Start with devices nearby; range depends on devices, obstructions and interference.
To undo a move, open More at the bottom right and choose Undo.
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