Priority Turns?

[tealmedia]

So i've been noticing that the priority is a little strange. I'll explain. My opponent has an Infernape out, and finishes one of my pokemon, and I send out my Infernape to face it.

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I use substitute, and he uses Overheat. My substitute takes the hit and fades.

I use substitute again, and he uses Overheat again. My substitute takes the hit and fades.

(I'm using an Endeavor Infernape).

My HP is now 50, I figure that I will do it once more, and then use endeavor.

So I select Substitute again, and he uses Overheat again.

For some reason, he attacks first and kills my Infernape.
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I don't seem to understand why this is. He had speed boosts from a Ninjask, but since my Infernape entered play, it was already faster... and nothing happened to change the speed of either pokemon. He did not use a priority move like Mach Punch.

It has been happening a few times now, so I don't quite understand what's up. Can anyone explain this to me? Or is there something I am missing here?

Thanks

 

[supermarth64]

Maybe because even at minimum HP (262 HP at 0 IVs and 0 EVs), you don't have enough HP to Substitute again... You need 25% of your health, and 25% of 262 is 65 (rounded down). You have 50, so it would fail.

 

[tennisace]

He never said anything about the sub failing, leading me to believe your Infernape were running the same speed. In the event of a speed tie, it's a 50-50 coin flip for who goes first.

 

[-Zer0-]

He never said anything about the sub failing, leading me to believe your Infernape were running the same speed. In the event of a speed tie, it's a 50-50 coin flip for who goes first.

Yep.

 

[crobatchop]

I agree.

 

[tealmedia]

But then was I so lucky that I won the first like 3 coin flips? Becuase his ape revenge killed one of my pokemon, so when I sent out my ape, we were both at 100% HP untouched. I beat him to the punch EVERY turn and I got my substitute out before he hit me, EVERY turn. All of a sudden, the last turn (the most important for me since I need to use endeavor) he gets to go first.

 

[Cathy]

But then was I so lucky that I won the first like 3 coin flips?

That isn't especially extraordinary.

0.5^3 = 12.5%

Nothing to write home about.