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解释
组合符号 ?! 把一手棋评为可疑或值得商榷。注释者认为这步棋存在缺陷，而且很可能有更好的选择，不过它仍可能包含有用的构思，或很难被严格证明为错误。
它通常比 的批评更轻。它可能表示略差的选择、不必要的风险、留在局面中的弱点，或只有在对手应对不当时才奏效的陷阱。
它不应与 作相同理解。符号顺序改变侧重点：?! 先表示怀疑，!? 先表示兴趣。程序可以在 Portable Game Notation (PGN) 中读取 ?!。以标准形式保存文件时，程序会用 $6 代替 ?!，即美元符号后跟数字 6。
常见混淆
?! 与 !?
?! 的评价更偏向批评，!? 则更强调一个尚不确定构思的趣味性。
查看术语可疑与必败
一手 ?! 着法可能较差，但未必会立即输棋或彻底毁掉局面。
来源
- 1.Standard: Portable Game Notation Specification and Implementation Guide, rec.games.chess contributors; coordinated by Steven J. Edwards
- 2.System of Signs, Chess Informant
- 3.Chess annotation symbols, Wikimedia Foundation