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Crit Chance vs Crit Severity: which is best?

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  • frtoasterfrtoaster Member Posts: 3,354 Arc User
    edited February 2014
    noblet wrote: »
    This is why the 1:10 ratio ended up right on mark for overwhelming majority of people in that fat part of the curve, despite making no sense mathematically. The person who came up with the idea of an easy 1:10 rule of thumb had the wisdom to realize this is the answer that the people who need to ask questions needed. It was never meant to sway you min-maxers. For the majority of people who are asking instead of arguing, this rule of thumb is right. For your optimal Romulan char with 5 superior operatives and every module under the sun available, it's wrong. But it was never about you.;)

    In my opinion, the 1:10 rule of thumb is bad for the following reasons:

    1. People are mislead into believing that 1:10 is actually the optimal ratio instead of a rule of thumb. Some people have said that Cryptic chose the [CrtH] modifier to give 2% crit chance and the [CrtD] modifier to give 20% crit severity because 1:10 is the optimal ratio. This line of reasoning is completely backwards. The 1:10 ratio arises from the values Cryptic gave to the [CrtH] and [CrtD] modifiers, not the other way around.

    2. The mathematical derivation is based on a poor choice of simplifying assumptions. Even before the introduction of vulnerability locator and vulnerability exploiter consoles, there were many sources of crit besides weapon modifiers. These other contributions to crit chance and crit severity are not small. The base crit severity is 50%.

    3. There is a rule of thumb that is just as simple and more widely applicable: Maximize the product of crit chance and crit severity. This rule is also based on simplifying assumptions, but less restrictive ones than the 1:10 rule. So why not tell people this rule instead?
    Waiting for a programmer ...
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  • cerealplayercerealplayer Member Posts: 214 Arc User
    edited February 2014
    The 1:10 rule came about at a time when, in STO, you could only choose, or exchange between, CritD and CritH at a ratio of 1:10. This rule still applies, where that exchange rate is valid: for instance on weapon mods. But that "rule" does not apply, for instance, in the case of Spire Tac Consoles. There the "rule" would be 1:5.

    I urge you all to read this guide. It is all properly explained, at a very basic level that should be easy for anyone and everyone to follow:

    http://sto-forum.perfectworld.com/showthread.php?p=15345081#post15345081
  • nobletnoblet Member Posts: 0 Arc User
    edited February 2014
    The 1:10 rule came about at a time when, in STO, you could only choose, or exchange between, CritD and CritH at a ratio of 1:10. This rule still applies, where that exchange rate is valid: for instance on weapon mods. But that "rule" does not apply, for instance, in the case of Spire Tac Consoles. There the "rule" would be 1:5.

    I urge you all to read this guide. It is all properly explained, at a very basic level that should be easy for anyone and everyone to follow:

    http://sto-forum.perfectworld.com/showthread.php?p=15345081#post15345081

    Oh wow, that is not the rationale of 1:10 rule, lol, and exploiters are just a bad, it doesn't... make 1:5. :D
  • frtoasterfrtoaster Member Posts: 3,354 Arc User
    edited February 2014
    The 1:10 rule came about at a time when, in STO, you could only choose, or exchange between, CritD and CritH at a ratio of 1:10. This rule still applies, where that exchange rate is valid: for instance on weapon mods. But that "rule" does not apply, for instance, in the case of Spire Tac Consoles. There the "rule" would be 1:5.

    I urge you all to read this guide. It is all properly explained, at a very basic level that should be easy for anyone and everyone to follow:

    http://sto-forum.perfectworld.com/showthread.php?p=15345081#post15345081

    But there is a base crit chance and base crit severity, as well the skills Starship Energy Weapon Specialization and Starship Projectile Weapon Specialization. So even before all this new equipment, it made little sense to talk about an optimal ratio based on weapon modifiers alone.
    noblet wrote: »
    Oh wow, that is not the rationale of 1:10 rule, lol, and exploiters are just a bad, it doesn't... make 1:5. :D

    Then, what do you believe is the mathematical reason for the 1:10 rule?
    Waiting for a programmer ...
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  • cerealplayercerealplayer Member Posts: 214 Arc User
    edited February 2014
    frtoaster wrote: »
    But there is a base crit chance and base crit severity, as well the skills Starship Energy Weapon Specialization and Starship Projectile Weapon Specialization. So even before all this new equipment, it made little sense to talk about an optimal ratio based on weapon modifiers alone.


    I think you got confused somewhere. It doesn't matter where the other critH and critD comes from. What matters is that, on a weapon, you're being offered 10 CritD for every single CritH. So, when choosing a weapon, if they're both equally valuable, you should go for the CritD, because you're getting more of it --10 times more. In fact, you should only choose critH --when choosing a weapon!!-- when adding a single point of CritH increases your damage more than 10 times adding a single point of critD. How much more a single point of CritH or CritD adds to your damage, is a function of the ratio of your current values.


    frtoaster wrote: »
    Then, what do you believe is the mathematical reason for the 1:10 rule?

    Don't feed the troll.
  • frtoasterfrtoaster Member Posts: 3,354 Arc User
    edited February 2014
    Consider the following two statements:

    1. When deciding between an additional [CrtH] modifier and an additional [CrtD] modifier, choose [CrtH] if your current crit severity is more than 10 times your current crit chance, and choose [CrtD] otherwise.

    2. The optimal ratio of crit chance to crit severity is 1:10.

    The two statements above are not equivalent. The first statement is mathematically accurate; the second is not. The second statement is not correct even when the only factors under consideration are base crit chance and base crit severity, the [CrtH] and [CrtD] weapon modifiers, and the skill Starship Energy Weapon Specialization.

    Compare the following two cases:

    Case A
    Base: 2.5% crit chance, 50% crit severity
    Starship Energy Weapon Specialization: 0 bars
    Weapon modifiers: one [CrtH] modifier (+2% crit chance)
    Total: 4.5% crit chance, 50% crit severity
    Ratio: 4.5 / 50 = 0.09

    Case B
    Base: 2.5% crit chance, 50% crit severity
    Starship Energy Weapon Specialization: 9 bars (+2% crit chance, +25% crit severity)
    Weapon modifiers: none
    Total: 4.5% crit chance, 75% crit severity
    Ratio: 4.5 / 75 = 0.06

    The ratio in case A is closer to 1:10 than the ratio in case B. But of course, case B is preferable, because the crit chance is the same in both cases and the crit severity is higher in case B.
    Waiting for a programmer ...
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  • frtoasterfrtoaster Member Posts: 3,354 Arc User
    edited February 2014
    I think you got confused somewhere. It doesn't matter where the other critH and critD comes from. What matters is that, on a weapon, you're being offered 10 CritD for every single CritH. So, when choosing a weapon, if they're both equally valuable, you should go for the CritD, because you're getting more of it --10 times more. In fact, you should only choose critH --when choosing a weapon!!-- when adding a single point of CritH increases your damage more than 10 times adding a single point of critD. How much more a single point of CritH or CritD adds to your damage, is a function of the ratio of your current values.

    I think this is merely a case of us misunderstanding each other due to the vagueness of English. I think you will agree with this post:

    http://sto-forum.perfectworld.com/showpost.php?p=15359161&postcount=67

    Incidentally, I don't like referring to crit chance as CrtH and crit severity as CrtD. It confuses the game stats with the modifiers. For example, in the quote above, I have trouble telling when you are talking about the weapon modifiers and when you are talking about actual values of crit chance and crit severity.
    Waiting for a programmer ...
    qVpg1km.png
  • cerealplayercerealplayer Member Posts: 214 Arc User
    edited February 2014
    frtoaster wrote: »
    I think this is merely a case of us misunderstanding each other due to the vagueness of English. I think you will agree with this post:

    I think we are. I agree with statement 1 (to make it clear, we're talking about weapon modifiers here). I disagree with statement 2.
  • darkjeffdarkjeff Member Posts: 2,590 Arc User
    edited February 2014
    That is much better phrased, compared to the nonsensical second statement which is oft repeated.
  • ddemlongddemlong Member Posts: 294
    edited July 2014
    Kinda same boat here, I've read through here and its still a bit confusing, all the numbers anyways.

    Currently, my Full KDF I have 16.8% Chance, and 117% Severity. I currently use all advance fleet AP with DMGx3 and CrtH, and 1 KCB. I tried swapping over to Fluidic AP all CritDx3, (per calculator) and was consistently doing less damage. I am assuming its because my CrtH was so low. Right now bonus accuracy is about 32-35% i believe.

    Here is my build. Currently 1 male/1 female SRO, rest nausicaans (some reason it wouldn't let me select a second male SRO so i went with female)/ Stiill and traits are on there.

    http://skillplanner.stoacademy.com/?build=30kdpsgalornona2b_6084

    Ive gotten it at 30K, but I want more consistency considering it was only once i hit 30K. When I parse it says crit chance is about 25%, but the severity remains about the same or up to 125%.


    So with the lower critH and Serverity of my character what mods and consoles would be the best?
    I use to do 100K DPS, but then I took an arrow to the knee.


    Your Ramming Speed III deals 242658 (243540) Kinetic Damage (Critical) to you.
  • dpsloss88dpsloss88 Member Posts: 765 Arc User
    edited July 2014
    I'm such a nooblet. I just bought 10 of the exploiter consoles not noticing that the locators gave twice the mods!!!!!!
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