IVs and EVs

Alright, I've played all of the games, and I'm about to get Diamond. I've tried and tried to figure out the IVs and EVs of Sapphire, but all to no avail. Can someone please once and for all make it really clear to me. I have next to no idea how they work, and all of the online calculators don't work for me. Any/all help is greatly appreciated.
 
ivs where so hard to get at first, i kinda taught my self what they are by just typing pokemon ivs into google

i think gamefaqs explains it best my self

serebii is a little bland
 
Everyone is like "WTF!" when they first read about IVs and EVs.
I hate math and the whole thing freaked me out something horrible- I had been playing these games since I was seven, and suddenly it was like I had to learn how to play Pokemon all over agian! Give it time and you will learn it all soon enough, it will become second nature to you.
 
This guide really helped me when I was first getting started. http://www.gamefaqs.com/portable/ds/file/925601/48500

The section most relevant to your question:
Base stat: A base stat is a value on a pokemon that stays consistent with all
pokemon of its species. All Tauros have a Base Attack Stat of 100 and all of
them will have an attack of 205 at level 100. The only things that can change
that is IVs, EVs, and natures.

Individual Value: An individual Value (IV) is a hidden value. It is a set
random number from 0 to 31 that is added to the base stat of your pokemon. In
simplistic terms, if Tauros has a base attack of 100 and an IV of 31, it has a
total of 236 attack at level 100. Each of the six stats have their own IVs. You
cannot change the IVs of a pokemon, it is set the moment you catch it or when
you recieve the pokemon as an egg. The higher the IV, the better.

Effort Value: An effort value (EV) is a hidden number you can manipulate to
increase the stat of a pokemon by either battling pokemon or using vitamins. In
simplistic terms, if your pokemon battles pokemon with high base attack, your
pokemon will also increase its base attack. Effort values allow you to do
whatever you want to make your pokemon better in particular stats.

Nature: A nature increases one stat of a pokemon by 10% and decreases a stat of
a pokemon by 10%. For example, an "Adamant" nature increases attack by 10% and
decreases Special Attack by 10%. Some natures do not increase or decrease
stats.

While it isn't perfect, it's good enough for you to get the general idea of ivs and evs
 
EV's:

These are known as Effort Values. Each stat (HP, attack, def, etc) can have between 0 and 255 EVs. For every 4 EV's in one stat, a pokemon will have 1 extra point in it at level 100. For example, consider 2 identical Gengars. One has 252 EV's in speed, while the other has 0. The first Gengar will have 63 (252 / 4 = 63) more speed than the second Gengar at level 100.

To get EV's, you battle pokemon. Look at Serebii for how many EV's a pokemon will give you. For example, Gyarados gives you 2 Attack EV's. Each time your pokemon kills a Gyarados, it will gain 2 EV's in attack. Therefore, for every 2 Gyarados you defeat, you will have 1 extra attack point at level 100. You just keep battling pokemon (either trainers or wild) to gain EV's. You have to manually keep track of these though (I have a sheet with a bunch of tally marks).

IV's:

These are known as Individual Values. Every pokemon has IV's. Each stat (HP, attack, defense, etc) has an IV from 0 to 31. At level 100, a pokemon with 31 in HP will have 31 more hit points than a pokemon with 0 in HP. So obviously, high IV's are beneficial. Every pokemon is assigned IV's when you catch or hatch it. With wild pokemon, the IV's are completely random, but not so with hatched pokemon because parents will pass down some of their IV's.

To find the IV's of your pokemon, you MUST know the EV's. If you do not, you cannot calculate the IV's accurately. If you do, you can put them in a calculator. Otherwise, you must clear the EV's using special berries in D/P (I don't know about RSE).

Hope this helps a bit.
 
I understand that it's very complicated, the math looks daunting, and all that stuff. I was in denial for a long time that you actually had to manually count your EVs. But you'll get used to it after a while.
 
You could always try going competitive through Shoddy Battle. You can set the IVs and EVs. Of course you should read about them off serebii first to understand what they do.
 
heres a few tips:

1) Your first Iv bred poke will not turn out so good. Why you ask?
Well like most of us here, our first iv bred pokes ivs might have looked something like this 7/23/13/x/21/26 (physical poke). At first glance looks decent, but once you fully start to grasp ivs and the potential your pokes stats can reach; well you start to become a perfectionist. Some people have quad flawless + on all there pokes, which is very good, considering there in the pertaining stats. Once you can understand ivs it becomes a second nature. By any chance do you no what the everstone trick is? If not pm me and ill explain.

2) Your first ev trained poke will flat out suck lol. Once again, everyones first few turn out really bad. This is mainly because of the lack of:
1) not sure where to ev train
2)Lack of power items/pokerus/macho brace/vitamins
3)unpatient due to step 2.

Once you get a hang of it you'll be great at it. I guarantee it :)
 
every 4 evs is +1 on a stat. 510 evs total can be on a pokemon. Ivs go from 0-31. If its 0, the pokemon has 31 less in that stat, etc. Go for 31s btw
 
So what do I count for the EVs? Do I count the "+2 attack" whenever they grow a level?

You have to count +2 Attack EV's for each time you defeat a Gyarados (or whatever pokemon you defeat). So... that's 126 Gyarados you have to kill for 252 Attack EV's :naughty:.

Actually... most people use Pokerus, vitamins (calcium, protein, etc.... each one is +10 EV's) and EV training items like Macho Brace, Power Anklet, Power Lens, etc to speed up the process.
 
So theoretically, I would have to know the Attack EV (or any other stat for that matter) to be able to calculate my desired EVs? Like, if I wanted a really fast Pikachu, I would have to go and battle 100+ Zubats?
 
If you want a pikachu with max speed, you will want 252 ev's in that stat (the maximum number of ev's gamefreak lets you have in a single stat is 252, the maximum overall is 510). Since zubat gives 1 ev point in speed, you would theoretically need to battle 252 zubats. However, there are ways of reducing this number.

First of all, the vitamins. Each vitamin adds 10 ev's to its respective stat, with a maximum of 100 ev's. So if you fed your pikachu 10 carbos, it would have 100 speed ev's and need 152 more to reach max speed. Note that you must use the vitamins first, they stop working after 100 ev's have been added to the pokemon, not when 100 ev's from vitamins have been added.

Now for the remaining 152 ev's... You will either want an item called the macho brace or one of the power items. The macho brace doubles the ev's gained after a battle. So if you give it to your pikachu, it needs only to battle 78 zubats to reach max speed. The power items add 4 in their respective stat whenever you gain ev's. For example, using the power anklet (for speed) in a battle with a zubat will result in your pikachu earning 5 speed ev’s instead of 1. So with this item, you need only battle 31 zubats.

There is one last thing that can reduce the number of ev’s earned in a battle. This is something called pkrs. If you are lucky, one of your pokemon will randomly be infected with this virus. It can spread to others in your party but will eventually go away. You can preserve it indefinitely by putting one of your infected pokemon into the pc. When a pokemon has the virus, any ev’s it earns are doubled. This bonus stacks with everything. So in the previous example with the power anklet, the ev bonus would be 10 speed ev’s from a single battle, meaning that you only need to battle 16 zubats. This virus is rather rare, but you can trade for an infected pokemon over wifi if someone is nice enough to give/lend you one.

All of this information is contained in the guide I linked to earlier this thread and is explained quite well there. I highly recommend reading it; it will probably do a better job explaining the basic concepts than we can in this thread.
 
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