As a result, there are no more notches after that (5,5)

I believe the answer is:

final score

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'there are no more notches after that' is the definition.
I don't know anything about this answer so I cannot judge whether it can be defined by this definition.

'as a result' is the wordplay.
'as' becomes 'final' (I am not sure about this - if you are sure you should give a lot more credence to this answer).
'a result' becomes 'score' (I've seen this before).
'final'+'score'='FINAL SCORE'

Can you help me to learn more?

I've seen this clue in the Evening Standard.

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