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解释
组合符号 !? 表示这步棋有趣、值得注意或带有投机性。所谓投机性，是指它试图创造进攻或弃子等机会，即主动放弃棋子或兵以换取其他优势，但这个构思是否完全正确尚未得到证明。
这个符号并不等于稳妥的推荐。经过仔细分析，这步棋可能不错、风险很高，甚至不如另一种选择，但其中包含值得研究的构思。因此，它的含义很大程度上取决于注释者和具体局面。
符号顺序很重要。 通常更偏向批评，而 !? 更强调趣味和可能性。 则是更直接的赞扬。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 $5 代替 !?，即美元符号后跟数字 5。
常见混淆
!? 与 ?!
!? 强调一个有希望但尚不确定的构思，?! 则表示这步棋很可能值得怀疑。
查看术语有趣与正确
一手棋有趣，并不能证明它是最佳着法或能带来有利局面。
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