Word for when I present a graph to support my point but it refutes it? [duplicate]

What's the word for when I present a graph to support my point but it refutes it?

I guess its shooting myself in the foot. But I want a better term.

Solution 1:

You could say:

The graph backfired on me.

Backfire (verb): (of a plan) to have the opposite result from the one you intended.
[Cambridge English Dictionary]

Boomerang or recoil would also work well.

Boomerang (verb): If a plan boomerangs, it brings a harmful result instead of the intended good one.

Our plan to take over the business could boomerang on us if we're not careful.
[Cambridge English Dictionary]

Solution 2:

It seems that the term "self-defeating" could express what you need.

(OALD) /ˌself dɪˈfiːtɪŋ/ (BrE, AmE) ​causing more problems and difficulties instead of solving them; not achieving what you wanted to achieve but having an opposite effect

• Paying children too much attention when they misbehave can be self-defeating.
• It becomes self-defeating to go on wrangling about tactics.

• (for instance) Unfortunately, I came up with a self-defeating graph and couldn't prove my point.