Dubious moves

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Ben07

When annotating a game , commentators frequently use question marks and exclamation points to denote a move as bad or good. I know  ! and !! denote a good and excellent move , and ? and ?? mean a bad move and a blunder ( very bad move ) .

However I don't fully understand !? and ?! . What I read so far says that !? is better move than ?! but I'm not too sure . Maybe someone can explain a little better the difference between !? and ?! moves ? Thanks a lot

Qxe8
?! means a dubious move. Meaning it affects the position in a slight negative way. !? is more like a suprising move, that is not bad.
blasraventos

Thank you Qxe8 I was looking for an explanation on that too. So I guess dubious and suspicious are synonims