Confused coach has it all mixed up (7)

I believe the answer is:

chaotic

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'mixed up' is the definition.
(thesaurus)

'confused coach has it' is the wordplay.
'confused' indicates an anagram.
'has' is a charade indicator (letters next to each other).
'coach' after 'it' is 'itcoach'.
'itcoach' anagrammed gives 'CHAOTIC'.

'all' is the link.
This may not be right. It may belong to another bit of the clue.

Can you help me to learn more?

(Other definitions for chaotic that I've seen before include "All over the place" , "Riotous" , "Totally disorganised" , "Anarchic" , "Disorderly, shambolic" .)

I've seen this clue in The Irish Times.

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