What's the difference between "even though" and "even if"?

Even though = despite (the fact that)

– Even though today was sunny, it was cold outside. 
– Despite today being sunny, it was cold outside. 

– I passed the test even though I didn’t study. 
– I passed the test despite the fact that I didn’t study. 

– Even though we scored a lot of points, we lost the game.
– Despite the fact that we scored a lot of points, we lost the game. 

Even if = whether or not (often used in unreal situations) 

– I want to see the movie even if you think it’s bad. 
– I want to see the movie whether or not you think it’s bad. 

– Even if the meeting runs late, I will call you tonight. 
– Whether or not the meeting runs late, I will call you tonight. 

Compare these examples. 
– I’m going running even though it’s raining.  (despite the fact that)
– I’m going running even if it rains. (it might rain / it might not.}

– Even though they will extend the deadline, the project will be late. (real situation)
– Even if they extend the deadline, the project will be late. (unreal situation)

Like this example? Did I forget something? Get in touch and let me know!