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anksssss
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Posts : 129
Join date : 2011-09-04

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CALCULATING PR RATING

on Wed May 09, 2012 6:11 pm
The information below is aimed at informing users how the beta Power Rating system works and addressing user questions and concerns. These levels have nothing to do with the Home City level, they are calculated over all home cities.


Probable Skill = The average skill level of the player before the game. = Points = (K * Variance)

Points – Represents ranking on the skill ladder. Points are awarded for wins and lost for losses. The number of points won or lost in a specific game depends on several factors including the opponent's) ranking points. Similar to other rating systems, high level players gain very few points for defeating players of significantly lower level and therefore will advance in rank slowly if these are the types of players that they seek out.




K – A variable that determines the impact Variance will have.

Variance – Each player is assigned a level of variance when starting to play multiplayer games. This number starts high, representing the system’s lack of familiarity with the starting player's actual skill level. As more games are played, this number will decrease as the rating is refined. This number is largely responsible for the big jumps up or down that the rating will initially take. These jumps decrease as more games are played.




Home City Level – Home Cities are divided into three tiers, like the cards in the players deck. A player using a level 1 Home City is at a disadvantage when playing against a level 40 Home City. Therefore, the level 1 player will earn more points if he/she wins. The reverse is also true, the player with the level 40 Home City will lose slightly more points if he/she loses this match. The tiers are broken down like this:




Tier / Home City Levels
Tier 1: 0-9
Tier 2: 10-24
Tier 3: 25-100+

The players in each of the tiers have access to cards that are considered equally powerful. The Home City factor cancels out if playing an opponent who is using a Home City in the same tier. Ensemble assumes the player has the best cards for each tier level.



Civilization Tiers – The Power Rating system also rates the civilizations in tiers. When playing a multiplayer game, the civilization used is also rated in that game. All Spanish players, for example, will affect the ranking of the Spanish civilization by winning or losing games. The civilization ranking looks something like this (only two civilizations are used to keep the example simple):




Spanish Tier 3 (level 25+)
Spanish Tier 2 (level 10-24)
British Tier 3
British Tier 2
Spanish Tier 1 (level 0-9)
British Tier 1

This ranking is dynamic and is updating constantly throughout a day, adjusting to game results.

In the example above, Spanish tier 3 (levels 25+) is rated the highest while British tier 1 (levels 0-9) is rated the lowest. A player using a higher ranked civilization who defeats a player using a lower ranked civilization will gain slightly fewer points, and vice versa. The idea being that players that use the civilization that wins the most will be more likely to win the game, and so will earn fewer points.










Ranks – The players skill level is assigned points based on the above factors and rounded up to the nearest integer. Based on these points, a rank title is assigned that represents the players skill level. The rank ladder looks like this:


Rank Level
Field Marshal 50
General 47-49
Lieutenant General 44-46
Major General 41-43
Brigadier 38-40
Colonel 35-37
Lieutenant Colonel 32-34
Major 29-31
Captain 26-28
1st Lieutenant 23-25
2nd Lieutenant 20-22
Master Sergeant 17-19
Sergeant 14-16
Corporal 11-13
Lance Corporal 8-10
Private 3-7
Conscript 0-2

Why not use the ELO system? - A 1600 based ELO rating system was used in previous games and replaced with the new Power Rating system for Age of Empires III. The ELO system starts players at 1600 points, and the below average players ends up dropping below that mark right away. This is discouraging to players who improve over time and turn them off of competitive play completely. Additionally, the number of points lost by a player rated 2000+ on ELO when playing against someone one-hundred points below is substantial. However, a difference of 100 points often does not mean a substantial difference in ability, so high rated players have nothing to gain and everything to lose. With the Power Rating system, high ranked players will lose ground, but the results are not nearly as catastrophic to their ranking.







A player who goes into negative points is displayed as a Conscript and ranked level 0. The player is not making progress, but is not visibly set back (unless the player figures out what the points mean in the HC tab). Looking at it another way, one must work up to be an average player in the Power Rating system. Therefore, less skilled players are still rewarded, unlike ELO. The majority of players will be gaining levels, not going into negative points.






SO BETTER PR KE LIYE WEAK CIV USE KARO AND WO BHI LOWER LVL KI ,
USING INDIA WILL NOT GIVE U GUD PR JAGGU


http://imageshack.us/photo/my-images/27/crosstable.jpg/

INDIA IS DEFINATLY ONE OF THE TOP TIER CIV

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JUGGERNAUT
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Posts : 1519
Join date : 2010-04-19

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Re: CALCULATING PR RATING

on Thu May 17, 2012 12:01 am
Nice well i think i will be atleast try and use the diff civ for team games it will affect my Pr more Smile
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