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I've been hearing talk about hidden stats called IV, and I also hear they may override CP when it comes to long-term battle effectiveness. Is there any validity to this?

  • Would be nice if they put it in game, but for now I am using this site to see my IV stats which can sort your Pokemon by IV%. Here is the Reddit page for more info – Quickbowjob Aug 2 '16 at 22:17
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When talking about IV vs CP,

Combat Power is only an average of your Pokemon’s stats and is only a rough estimation of a Pokemon’s strength. -source

There are 3 IV's that we know of; Attack, Defense, and Stamina. Defense and Stamina are important when it comes to defending in gym battles, and Attack and the move you are attacking with's base damage and attack speed are important for attacking gyms.

So for defense of gyms, a Pokémon with a lower cp but higher Defense and Stamina may be a better pick than a higher cp Pokémon who just has really high Attack. For attacking, you will want to prioritize Pokémon with higher attack and lower defense, as you can always dodge to avoid taking a lot of damage. See here for more info.

Also, see here or here for an IV calculator.

  • @unionhawk And now we have two, just in case one goes down. – Studoku Jul 29 '16 at 18:22
  • The more info is a nearly useless page of yatter. This answer does not say why they matter, beyond vague generalities. 'If your pokemon has 10% higher attack,mits attacks will deal 10% more damage' is an example of a concrete description if why attack stat matters. – Yakk Aug 5 '16 at 2:56
  • -1, for these criticisms: All three stats are equally important on offense as they are on defense. Furthermore, CP is an amalgamate of the three stats plus their level modifier, a coefficient of each of the three stats. A Pokémon with lower CP will not, generally, exhibit more power on the merits of higher IVs; its actual, level-adjusted stats will still usually be lower. – Eikre Sep 19 '16 at 19:00
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IV stand for "Individual Value". They are hidden stats, which differ from Pokemon to Pokemon you hatch or catch. IVs stay constant when evolving or powering up a Pokemon. IV will influence how "strong" your Pokemon will become at each upgrade stage. IVs are therefor a key measure when deciding which Pokemon to upgrade.

An elaborate explanation of IVs can be found on reddit thread. For convenience, here the example which is given in the thread:

Every Pokemon has Attack/Defence/Stamina Stats.

IV are the hidden Stats that can differ from pokemon to pokemon and go from 0 to 15 for each Stat (Attack/Defence/Stamina).

Lets take Charmander as an example.

Those are his ingame Stats:

BASE STAMINA 78

BASE ATTACK 128

BASE DEFENSE 108

But each time you hatch/catch a Charmander, it gets hidden Stat Rolls to Attack/Defense/Stamina that we call IV (Individual Values) and go from 0 to 15 as I stated above.

Lets say you get 12/7/14 as an example. That means your Charmander gets 12 Attack, 7 Defense and 14 Stamina added to his base stats, for a final result of 90 Attack, 135 Defence, and 122 Stamina.

IVs raise a Pokémon's maximum potential, so although a 600 CP Charmander will preform better than a 500 CP Charmander and take less stardust to upgrade to maximum level, a lot of people would prefer a 500CP Charmander with, for example, rolls of 14/12/15 over one with 600CP that had bad rolls of, say, 7/6/10. This is because the 500CP specimen could eventually be grown into a more powerful fighter than the 600CP one ever could.

  • 1
    This answer does not say what the values do – Yakk Aug 5 '16 at 2:57
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CP is a number that is derived from underlying stats the Pokemon Go engine uses for Pokemon combat.

The four stats are attack, defence, stamina and level.

Each type of pokemon has a base atk, def and sta. In addition, each pokemon has an individual variation, or IV, of 0 to 15 on each of those 3 stats.

A high IV pokemon thus displays a higher CP at the same level.

Level is what you are buying when you power up a pokemon, at +0.5 each power up.

Now, what do those stats do?

Your damage is roughly:

some constant × move dam (number displayed next to move) × atk stat × (level+some other constant) / other pokemon's def

Thus is not quite accurate, as a 0 damage move actually does a tiny bit of damage.

Your HP are (level+some constant) × stamina × some_other_constant

In short, +10% sta means +10% HP, +10% def means you take 10% less damage, and +10% atk means you deal 10% more damage.

There are other factors. +25% damage if your move type matches your pokemon type (STAB: same type attack bonus). +25% if your move is super effective on the target (based on move type and target pokemon type), -20% if your move is not very effective (ditto).

As it happens, basic attacks vary in damage per second. They peak around 12, before STAB or Super Effective. This is almost unrelated to their move damage: a 12 damage 1/second is same dps as a 6 that is 2/second. The UI does not display the attack delay.

Finally, while CP is derived from atk/def/sta/level, it is a relatively random formula that only vaguely tracks actual combat powess. I believe it is basically ATK * sqrt(DEF*STA) * Level * Constant, with some very small additional factors that cause it to be very slightly non-linear. This over values ATK ompared to other stats by a factor of sqrt(ATK).

Atk/sta/def for each type can be found online. IV calculators that take level estimates and cp values and hp and reverse engineer atk/def/sta also exist.

  • Thank you for providing the link between the IVs and the visible stats! – Keen Aug 25 '16 at 3:55
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Basically, IV is a hidden set of stats that someone found in the code that determines the absolute quality and power of your Pokemon. It's really important because it implies that CP isn't the only thing going into how strong your Pokemon will be fully leveled/evolved. You may find you have been trashing super strong Pokemon with not quite as high of a CP.

Basically, you need an IV calculator, and you need to put those stats against your Pokemon's base stats to figure out how powerful it actually is.

Here's an IV calculator that works for a mobile phone: https://pokeassistant.com/main/ivcalculator

0

My understanding of IVs is that they act as 'bumps', randomising the stats of Pokemon slightly. If it weren't for IVs, every Pokemon would start out with the same stats and would reach the same stats when fully powered up; two Pokemon of the same species who had been powered up to the same degree would be equally powerful (different moves aside).

IVs nudge those stats slightly, so two Pokemon powered up to the same degree might be slightly (or not so slightly) different. Since you can power up any Pokemon, but IVs are immutable, it makes sense to look for a Pokemon with high IVs, even if they aren't as powered up as other Pokemon with lower IVs.

protected by Community Aug 4 '16 at 19:52

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