How did Pachirisu outspeed a Rotom Mow?

Question

I've been watching this video about Wolfe reacting to that Pachirisu and Garchomp that won a worlds vgc tournament. In the final turns, Garchomp was at -1 speed and attack so it should be slower than Rotom, yet Pachirisu went first and hit it with a super fang before Garchomp finished it of with a dragon claw. So, how did Pachirisu, of all things, manage to go first?

Comments

What item did Rotom-Mow have? The only way for Rotom-Mow to outspeed Pachirisu is to hold a Choice Scarf.

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Like @Porygon-Zangoose said, Rotom-Mow doesn’t naturally outspeed Pachirisu. The base Speed for Rotom-Mow is 86 (A max Speed stat of 298 with 252 EVs, 31 IVs and a +Spe nature), while the base Speed for Pachirisu is 95 (A max Speed stat of 317 with 252 EVs, 31 IVs and a +Spe nature).

To outspeed the Pachirisu, Rotom-Mow would need something like a Choice Scarf.

Answer 1

I was going to have a very elaborate answer but someone reloaded my page and I'm not writing the whole shebang again. <:P

I assume you mean this match. :P

Garchomp is Jolly (Level 50) with -1 Speed, has a perfect Speed IV, and 252 Speed EVs. This makes its Raw Speed 112. Pachirisu is Impish and needs 52 Speed EVs to tie Garchomp's Raw Speed (and likely has some Speed investment due to its role). It is likely that Rotom is built Defensively, especially die to having max HP, so its spread is not far off from 252 HP / 252 Def / 4 SpD, which checks out as very possible in calculation:

252 Atk Garchomp Dragon Claw vs. 252 HP / 252+ Def Rotom-Mow on a critical hit: 72-85 (45.8 - 54.1%) -- 50% chance to OHKO

Rotom's Raw Speed would then be around 106 give or take 4. 110 is slower than 112, so Garchomp and Pachirisu's better Speed stats warrant them enough Speed investment to narrowly out-speed Rotom-Mow, even with Garchomp at -1 Speed. :P

Source, Calculator

Hope I Helped!

Comments

Sejun’s Pachurisu has no speed investment.

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Thanks. Now I'm really curious as to how someone managed to reload the page while you were typing it :P

Answer 2

Pachirisu has a higher speed stat then rotom.
Rotom now has 86 speed. Pachirisu has 95 speed. Simple.

Comments

You know, I never once imagined that a little squirrel has that kind of speed. But now that you mention it, I got a follow up question. How did Garchomp move before Rotom when it was hit by rock tomb?

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Because it was at 1- speed, like you said.

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What? Garchomp was the one at -1 speed not Rotom yet it still moved before Rotom did. How did that happen?

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Any replay for that? Or video?

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https://www.youtube.com/watch?v=oNSkPn6o2Cw&ab_channel=WolfeyVGC

Here. It was on the second battle at 30 mins into the video after Salamence and Tyranitar goes down

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If garchomp was at 1- speed, then Rotom obviously outspeeds it. It’s really that simple

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But as I said, Garchomp still outsped Rotom even at -1

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oh, I thought you meant the other way around. The rotom likely didn’t have speed EVs, and garchomps usually do.