But the score doesn't add up.
It's unclear from your question what you think your score should be or why you think it is incorrect. It appears to me to be absolutely correct.
From the post that you linked:
A tag score is basically the combined total of all the upvotes (+1) and downvotes (-1) you've accumulated on answers under that specific tag (votes on questions do not count). Acceptance of an answer doesn't have any weight in the score.
Note that the score is not based on reputation gained, but absolute votes.
As of this post, you currently have:
- answered 99 questions in the networking tag
- 44 of those have a net positive score (more upvotes than downvotes)
- 2 have a net negative score (more downvotes than upvotes)
- 55 have a score of 0 (either no upvotes/downvotes or an equal number of each)
- The sum of the scores in that tag is 77, which is what your profile currently reports. Of course, that's one more than two days ago when you posted this.
The questions with a non-zero score: