Difference between revisions of "Combat rating"

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Combat rating is a fairly controversial subject involving the unseen (ie, passive) dynamics of the [[Fighting]] system after the infamous 'fight fix'. What the theory proposes is a flat value assigned to the character that actively decides their chance to hit, damage multiplier and damage mitigation based on a unit, herein referred to as '''CR'''.
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[[CDB|Main]] / [[:Category:Game mechanics|Game mechanics]] / '''{{PAGENAME}}'''
  
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== Introduction ==
  
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Combat rating is the system in wurm, which decides how often you miss and get missed in combat. It is a numerical value calculated from a variety of factors. A higher combat rating makes you hit your opponent more, while making your opponent hit you less.
  
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== The system ==
  
== Basics of the theory ==
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When two players do battle, combat rating is used to decide how large a percentage chance each player has to hit their opponent.
  
1 CR = 2-3% hit, damage multiplier and parry chance
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Combat rating is a value derived from many variables.
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It can be affected by the environment.
  
1 CR is gained for every 10 Fighting overall skill obtained
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'''Combat Rating system info from Rolf:
1 CR is gained for equipping a weapon, and 1 more CR added for every extra 10ql of the sword
 
CR is deducted from enemy players when using shields of any size (in a ratio equivalent to 1 CR per 20ql of shield + 1CR per 10 shield substat)
 
CR is deducted from enemy players when wearing armor - 1 CR for having a set of chain/studded armor and 1 additional CR for every 20ql of the armor.
 
  
'''Combat rating is multiplicative, and only applies to the Fighting skill, not Archery or anything else.'''
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''First of all, the bonus is applied to something that is called Combat Rating or CR for short in the system. Every creature has one. It is very similar to the concept of levels in other games, just that it fluctuates a lot more in wurm. It is the basis for calculating the chance to hit another creature. Players have a base combat rating of 4.
  
Focus level is seen to add a flat 10% additional CR per focus level, to a maximum of 100% additional CR at focus level ten.
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''If the troll I am fighting has CR 10 and I have CR 4 I have about 4/(10+4) chance to hit the troll, or 29% every attack. The troll on the other hand has 10/14 so it'll hit me 71% of his attacks.
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''Very simplified. There are parry bonuses and covers involved in that specific algorithm. Also your basic fighting skill is added 1 per 10 in skill, so if you have fighting 59 you have a CR of 4+5.9=9.9 in base CR. Monsters have their type modifying base CR, making Champion creatures have maybe double the figure of the standard type.
  
This would mean, that a fighter with 40 FS wearing 60ql studded armor and using two 70ql longswords would have:
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''A lot of things also affect the combat rating before that algorithm. Things such as footing, if you are prone, certain combat moves affect it negatively, being flanked, height distance to target, focusing, being drunk.. things like that. And also the kingdom bonus.
4 CR (fighting skill) + 4 CR (studded armor) + 16 CR (dual longswords) = 24 CR (48-60+ chance to hit, parry and .6x additional damage on hits)
 
  
Another fighter, with 50 FS wearing 60ql chain and using a 60ql large iron shield and longsword with 30 substat would have:
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''Now, in Player versus Player combat the base fighting skill is added 1 point per 5 in skill instead, so a player with 99 fighting skill would have like 23.98 in base CR and one with 50 fighting skill would have CR 14.
5 CR (fighting skill) + 4 CR (chain armor) + 7 CR (longsword) = 16 CR (32-40+ chance to hit, parry and .4x additional damage on hits)
 
  
However, since the second fighter is adept in using his large iron shield, he effectively negates 6 CR from the other fighter, bringing them to roughly the same level. Fighting then becomes a battle of maintaining and raising focus, which the shield user has a large advantage on (shieldbashing breaks focus)
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''So how much is the kingdom bonus?
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''The kingdom bonus is 2 if your kingdom has less than 10% of the server population. It is 1 if the kingdom has 20% or less of the population.
  
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Source: http://forum.wurmonline.com/index.php?/topic/2099-comment-on-the-kingdom-bonus-bug/
  
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== Acquiring combat rating ==
  
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Every player in wurm and every creature has assigned a specific combat rating at all times. However, it is a large bundle of variables, not only determined by your skill, but also by your location and your kingdom population.
  
Similar attributes apply when fighting monsters and animals in the Wurm universe - all creatures appear to have a base CR which increases with their age and is dependent on what prefix they may have. For example, an aged fierce spider could have CR similar to that of a young, no prefix troll. Obviously, the troll would have an advantage of being a self healer, but the spider attacks marginally faster and would likely stack dangerous wounds far, far quicker than the younger troll. CR has also been observed in animals to increase the chance they target sensitive areas, such as the head and shoulder areas, and even the legs in some cases.
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'''Confirmed variables to effect your combat rating:'''
  
While there is no definitive proof of this theory, many fighters feel it makes a great deal of sense in determining how gear and skill intertwine, and also explains how sometimes fighters of significantly lesser skill can win versus a superior opponent through merely gear and focus alone. One thing this theory does not explain however, is why there is such a significant difference between a 70 FS fighter and a 90 FS fighter, despite only having a base 2 CR difference.
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''[[Fighting]] skill.'' One of the basic ways of acquiring a high combat rating is, of course, to get a high fighting skill. Your fighting skill gives different combat rating depending on whether you are fighting an NPC creature, or you're fighting in PvP combat.
  
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''[[Normal fighting]] (fighting subskill).'' "Max combat rating bonus for normal fighting was raised to 2.5" -Release notes July 12, 2011
  
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''Kingdom bonus.'' An Elevation- and Chaos-only feature, there are two steps to this kingdom bonus. If your kingdom has less than 20% of the server online, you receive an extra 1 combat rating. If your kingdom constitutes less than 10% of the server population, you gain another point of combat rating, for a total of 2 extra.
  
  
''Combat rating is a versatile tool which can be used to effectively compare players and understand the nuances of the new fighting system, but take it with a pinch of salt and realize that CR is not definite information, and has not been verified by the developers or even hinted to be even slightly correct. Make your own decisions based from the data presented here to you.''
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'''Suspected variables to effect your combat rating:'''
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*Flanking
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*Footing
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*Height advantage
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*Distance to target
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*High-faith bonuses from [[Magranon]] , [[Libila]] and [[Vynora]]
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*Combat bonuses from being near an altar of your deity
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*Ruler bonus
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*Appointed assassin, executioner or avenger bonus
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*Champion bonus
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*Focus levels
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*Potions
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*Boats
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*Water
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*Riding [[horses]] and carts
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[[Category:Game mechanics]]
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[[Category:Babel/C]]

Latest revision as of 07:05, 2 August 2023

Main / Game mechanics / Combat rating

Introduction

Combat rating is the system in wurm, which decides how often you miss and get missed in combat. It is a numerical value calculated from a variety of factors. A higher combat rating makes you hit your opponent more, while making your opponent hit you less.

The system

When two players do battle, combat rating is used to decide how large a percentage chance each player has to hit their opponent.

Combat rating is a value derived from many variables. It can be affected by the environment.

Combat Rating system info from Rolf:

First of all, the bonus is applied to something that is called Combat Rating or CR for short in the system. Every creature has one. It is very similar to the concept of levels in other games, just that it fluctuates a lot more in wurm. It is the basis for calculating the chance to hit another creature. Players have a base combat rating of 4.

If the troll I am fighting has CR 10 and I have CR 4 I have about 4/(10+4) chance to hit the troll, or 29% every attack. The troll on the other hand has 10/14 so it'll hit me 71% of his attacks. Very simplified. There are parry bonuses and covers involved in that specific algorithm. Also your basic fighting skill is added 1 per 10 in skill, so if you have fighting 59 you have a CR of 4+5.9=9.9 in base CR. Monsters have their type modifying base CR, making Champion creatures have maybe double the figure of the standard type.

A lot of things also affect the combat rating before that algorithm. Things such as footing, if you are prone, certain combat moves affect it negatively, being flanked, height distance to target, focusing, being drunk.. things like that. And also the kingdom bonus.

Now, in Player versus Player combat the base fighting skill is added 1 point per 5 in skill instead, so a player with 99 fighting skill would have like 23.98 in base CR and one with 50 fighting skill would have CR 14.

So how much is the kingdom bonus? The kingdom bonus is 2 if your kingdom has less than 10% of the server population. It is 1 if the kingdom has 20% or less of the population.

Source: http://forum.wurmonline.com/index.php?/topic/2099-comment-on-the-kingdom-bonus-bug/

Acquiring combat rating

Every player in wurm and every creature has assigned a specific combat rating at all times. However, it is a large bundle of variables, not only determined by your skill, but also by your location and your kingdom population.

Confirmed variables to effect your combat rating:

Fighting skill. One of the basic ways of acquiring a high combat rating is, of course, to get a high fighting skill. Your fighting skill gives different combat rating depending on whether you are fighting an NPC creature, or you're fighting in PvP combat.

Normal fighting (fighting subskill). "Max combat rating bonus for normal fighting was raised to 2.5" -Release notes July 12, 2011

Kingdom bonus. An Elevation- and Chaos-only feature, there are two steps to this kingdom bonus. If your kingdom has less than 20% of the server online, you receive an extra 1 combat rating. If your kingdom constitutes less than 10% of the server population, you gain another point of combat rating, for a total of 2 extra.


Suspected variables to effect your combat rating:

  • Flanking
  • Footing
  • Height advantage
  • Distance to target
  • High-faith bonuses from Magranon , Libila and Vynora
  • Combat bonuses from being near an altar of your deity
  • Ruler bonus
  • Appointed assassin, executioner or avenger bonus
  • Champion bonus
  • Focus levels
  • Potions
  • Boats
  • Water
  • Riding horses and carts