…はずではなかった => cannot be (impossible) N3
Surprised
ずにはおかない/ないではおかない => Will definitely A, N1
Will, Decision, Doing
~Vずにはおかない => will definitely/certainly do something; cannot not ~ N1
Result status
わずかに => slightly; only; barely; narrowly ~ N2
... はずみ.... => So N2
Result
~ににあわず (に似合わず ) => ~Different from N1
Evaluate
にかかっては => For... N1
Necessity, obligation
ずに => without doing ~ N3
にもかかわらず => despite; in spite of; nevertheless; although ~ N2
いかんにかかわらず,いかんによらず => Regardless of A (A is a reason, response, result) N1
Based/focused/depending on
…ば…はずだ => If ... then perhaps ... N3
Speculation
まずは => Temporary, first of all N5
Consider it