From my experience if you 're not watching, the RNG has a bigger part in the results.
As I wrote in Mythbusters thread, not watching a game doesn't mean you 'll avoid Mr troll.

This season my experience with my team RINOKEROS (after tanking season)
1st day , in the Cup - not watching
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2nd day, watching
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With a team in CH.L. groups
Watching
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not watching (today)
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* oppo wasn't watching any

Those two games, plus another one vs a stronger team of my league, was the only I lost.