The Age of Sigmar Player Ratings are calculated using the Elo System, most known for creating the Chess Rankings. Players begin with a rating of 1,000 then gain or lose points based on their opponents rating.

The ratings are awarded according to your opponents rating. Beating an opponent with a rating of 1,030 will give you more points than beating an opponent with a rating of 1,010.

Ratings will be given to players who attend a two day event with at least 8 players. Those players must be using 2,000 point armies.

This Week’s Ratings

This wee we had an additional four GT’s with one of those involving 102 players!

The top three have all played at least nine games now with Josh Bennett and Thomas Guan winning every game they’ve played.

This week as an example I thought it may help to explain the rankings by looking at one players matches since I started this project.

The Ratings of Josh Bennett

Josh took part in two events in two weeks, the first was the ATC (American Team Championship) Age of Sigmar Team Event where he played four games. This was followed by the Outlaw Open at LSO.

Josh’s Rating (Pre-Game)	Opponents Name	Opponents Rating	Result	Josh’s Rating Change
1,000.0	Will Reyes	989.4	Win	+9.7
1,009.7	Stuart Gately	990.0	Win	+9.4
1,019.1	John Pawak	1,000.0	Win	+9.5
1,028.6	Eric Urbas	970.6	Win	+8.3
1,036.9	Vince Ptacek	990.0	Win	+8.7
1,045.6	Eugene Kahle	1,010.0	Win	+9.0
1,054.6	Matt Nguyen	1,020.0	Win	+9.0
1,063.6	Adam Camenisch	1,030.0	Win	+9.0
1,072.6	Dalton Kahle	1,030.6	Win	+8.8

That gives Josh his final rating of 1,081.4.

Hopefully that explains clearly how the ratings work. Taking Josh’s example, if he’d have lost any of those later games, as his rating is a lot higher he would lose more points than he can be seen gaining. This is because his opponent would benefit from beating a high ranking player.

Formula

Here’s how the formula works for the maths geeks among you.

For those wanting to check my maths, the k factor we are using is 20.

Here’s my file: