TW Elim Formulas - Current and Proposed
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TW Elim Formulas - Current and Proposed
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INSTRUCTIONS: Modify the test values below to test the formulas.
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Test valueDefaultRatingAdjusted RatingConfidence
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Kills1010Formula 1 (current)60023238.7%
Formula 1 explanation
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Deaths510Formula 2 (proposed)431.689516738.7%
* Kills divided by deaths
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Average rating killed
300300
* This is multiplied by the average rating of player killed
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Games played (GP)550Formula 2 explanation
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GP required for 100% confidence7575
* Round base rating is the average rating of all players killed that round.
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Won? (1 if true)11
* For every kill, points rise exponentially (kills²), normalized to 10. (If round is to 5 deaths, kills are worth twice as much.) 1 kill gives only 1 point. 2 gives 4. 3 gives 8, etc.
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Win bonus % per player @ start22
* Deaths subtract points exponentially (deaths²)
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KOs10
* Winning the round gives a bonus multiplied by the amount of people who began the round. (If 2% and there are 5 players, 10% bonus.)
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KO bonus %22
* KOs give a bonus for each player KOd to the final rating. (If 2% and you KO 3 players, 6% bonus.)
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Total kills of streaks broken00
* For each streak broken, +% for each kill of each streak.
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Streak end bonus % (per kill)11
* For each kill in a streak of 3 or more, a bonus is given
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Best streak00
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% bonus per kill for max streak of 3+22
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Playing to # deaths510
* Playing to a number of deaths less than 10 gives a very slightly reduced rating, as it's slightly easier to go 10-4 in a game to 5 than 20-8 in a game to 10.
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Num playing at start
55
* Games with a smaller number of starting players reward slightly less than larger games, to reduce the utility of feeding. (Avg rating also prevents this)
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Starting rating:300
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After every round, the round rating is averaged into the current player rating. Then this rating is multiplied by confidence, resulting in the adjusted rating.
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Confidence
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Players are required to be rated X times/play X games before the bot considers the rating reliable. Before this, their rating is reduced by a confidence factor.
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Once games played reaches X (proposed value=50), they are at 100% confidence, and suffer no negative penalty to their adjusted rating.
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Formula for confidence with 1000 games:
(Math.log(games) / Math.log(2)) / 10.0
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Formula for confidence with 50 games:
(Math.log(games) / Math.log(2)) / 6.0
< Currently using this
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