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 GOP Elo rating system project (outdated)

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Join date : 2012-03-27
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PostSubject: GOP Elo rating system project (outdated)   Thu Mar 29, 2012 8:24 pm

[OUTDATED]

There is a great desire for an accurate rating system that would reflect skill to an almost true value. This has with great success been done in Chess with the Elo rating system(wikipedia).

List of gopper's Elo rankings:
-- GOP Elo rankings. --

The Elo rating system assumes everyone at an infancy rating, say 1000, and goppers will be logisticly distributed in both directions from this mean. Its accuracy is predicated upon frequency of games and intermingling of goppers.

The rating will be based on solo performance. After two people have had a rated 1v1, their new ratings are determined by their old rating difference and how much they win or lose by {0-6, 0.5-5.5, 1-5, ... , 6-0}.

The whole system must undergo its infancy as well, before the numbers reach any significance.

Post your rated 1v1 results (from 0-6, double if with cs) here. Both parties must be aware that this is a rated game if to be evaluated with any significance.

Hope to see people participate in this project!



Last edited by Timo on Mon Jun 24, 2013 3:41 pm; edited 1 time in total (Reason for editing : Obsolete)
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PostSubject: Further details on the Elo rating system   Thu Mar 29, 2012 8:25 pm

Mathematical details (not neccessary to know):
To have something to work with, we set as a rule that a player with 800 rating advantage over another gopper, is expected to win 5 out of 6 altars.

To arrange it into equations, the expected score of player 1 after a game, E1, with rating R1, against player 2 with rating R2, is given by:

E1 = 6/(1+5(R2-R1)/800)

Conversely, the expected number of altars won by player 2:

E2 = 6 - E1

E1 and E2 always adds up to 6, as ties count as half a win.

Formula for updating one's rating goes as follows:

R'1 = R1 + K(S1-E1)

Where R'1 is the changed rating of player 1 and R1 the old rating. E1 is the expected score, and S1 is the actual score with respect to player 1. K is the K-value.

Updated rating of player 2:

R'2 = R2 + K((6-S1)-(6-E1))

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Timo
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RuneScape name(s) : Timome, Isamond, Vinterhymn, Anand Wa Neo,
Location : North-Norway
Join date : 2012-03-29
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PostSubject: Recent rated 1v1s   Thu Mar 29, 2012 8:32 pm

Participants:score

Rated game recently (from 6.-28. March) by me and other people (I made it clear to my opponents that this game was rated and what that label entails before the game commenced):

[anon3](y) vs Timo(g): 0.5-5.5

Timo(y) vs [anon4](g): 5-1
[anon4](y) vs Timo(g): 1-5

Timo(y) vs Elriss(g): 5-1
Elriss(y) vs Timo(g): 2.5-3.5

Timo(y) vs soft fur: 6-0
Timo(y) vs soft fur: 6-0

Timo(y) vs Breadstick: 5.5-0.5
Timo(g) vs Breadstick: 4.5-1.5

Timo(y) vs Player 45894: 4.5-1.5
Timo(g) vs Player 45894: 6-0

Timo(g) vs Kinky Luna: 5.5-0.5
Timo(y) vs Kinky Luna: 2-4

Timo(g) vs Luna: 1.5-4.5

Timo(y) vs Elriss vs : 5-1
Timo(g) vs Elriss: 3.5-2.5

Timo(g) vs Mysterieman2: 4-2
Timo(y) vs Mysterieman2: 3-3

Timo(g) vs Evil Lightie: 1-5
Timo(y) vs Evil Lightie: 2.5-3.5

Timo(g) vs Pixie Cow: 5-1

Timo(g) vs NeVeR GvUP: 4-2
Timo(y) vs NeVeR GvUP: 3-3

Jith 007(g) vs Superheat(y): 1-5
Jith 007(y) vs Superheat(g): 1-5

Timo(g) vs Yo Kamil: 4.5-1.5
Timo(y) vs Yo Kamil: 6-0

Pixie Cow vs Jith 007: 10-2

Timo(g) vs NeVeR GvUP: 6-0

Timo(y) vs Auos Pro: 5-1

Timo(g) vs Hoppeeee: 2-4
Timo(y) vs Hoppeeee: 3-3

Hoppe vs Pixie Cow: 3-3
Hoppe vs Pixie Cow: 3.5-2.5

Timo(g) vs Pixie Cow: 2.5-3.5
Timo(y) vs Pixie Cow: 3.5-2.5

Timo(y) vs Pixie Cow: 4.5-1.5
Timo(g) vs Pixie Cow: 3.5-2.5

Timo(y) vs blood alone: 4-2
Timo(g) vs blood alone: 5-1

Timo(y) vs Skill 3 own: 4.5-1.5
Timo(g) vs Skill 3 own: 1.5-4.5

Timo(y) vs Bennamari: 4.5-1.5
Timo(g) vs Bennamari: 4-2

Timo(y) vs Hoppeeee: 4.5-1.5

Hoppeeee(g) vs Kinky Luna: 4.5-1.5
Hoppeeee(y) vs Kinky Luna: 3-3

Timo(g) vs Hoppeeee: 3-3
Timo(y) vs Hoppeeee: 5-1

Pixie Cow vs Rays: 3-3
Pixie Cow vs Rays: 4-2

Timo(g) vs Camzo: 6-0
Timo(y) vs Camzo: 5-1

Camzo vs Rays: 1-11

Timo(y) vs Camzo: 5-1

Timo(g) vs Emotioneel: 5-1

Timo(y) vs Elriss: 5-1
Timo(g) vs Elriss: 4-2

Timo(g) vs Elriss: 4-1

Pixie Cow vs Extra Coffee: 3-3
Pixie Cow vs Extra Coffee: 5.5-0.5

Timo(y) vs Elriss 3-3

Timo(g) vs Elriss: 4-2
Timo(y) vs Elriss: 6-0

Timo(y) vs Deffy: 5.5-0.5
Timo(g) vs Deffy: 3.5-2.5

Crown Prince vs Camzo: 3-3

Rays vs Elriss: 3-3
Rays vs Elriss: 5-1

Timo(y) vs Elriss: 5-1

Timo(g) vs Faded Myths: 6-0
Timo(y) vs Faded Myths: 4.5-1.5

Timo(g) vs Elriss: 4-2

Timo(y) vs Elriss: 5-1
Timo(g) vs Elriss: 3-3

Timo(y) vs Elriss: 3-3
Timo(g) vs Elriss: 4-2

Timo(y) vs Faded Myths: 6-0
Timo(g) vs Faded Myths: 3-3

Timo(y) vs Elriss: 6-0
Timo(g) vs Elriss: 3-3

Timo(y) vs Ameriie: 5-1
Timo(g) vs Ameriie: 4.5-1.5

Timo(y) vs 9h3: 4.5-1.5
Timo(g) vs 9h3: 3-3

(180 games for each person, 90 rated 1v1s).
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