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Career ratings for: Haggren, Stig Olof

  Date of rating  

World Rank Rating +/- Age
01/31/1998#4693210467
02/28/1998#4708210567
03/31/1998#4729210567
04/30/1998#4762210567
05/31/1998#4777210467
06/30/1998#4831210667
07/31/1998#4879210367
08/31/1998#4955210267
09/30/1998#5012210667
10/31/1998#5068210867
11/30/1998#5135210667
12/31/1998#5181210567
01/11/1999#4863210567
01/18/1999#4872210567
01/25/1999#4885210567
02/01/1999Inactive209776
02/08/1999Inactive209876
02/15/1999Inactive209776
02/22/1999Inactive209776
03/01/1999Inactive209776
03/08/1999Inactive209976
03/15/1999Inactive209876
03/22/1999Inactive209876
03/29/1999Inactive209876
04/05/1999Inactive209876
04/12/1999Inactive209876
04/19/1999Inactive209876
04/26/1999Inactive209876
05/03/1999Inactive209776
05/10/1999Inactive209676
05/17/1999Inactive209776
05/24/1999Inactive209776
05/31/1999Inactive209776
06/07/1999Inactive209776
06/14/1999Inactive209876
06/21/1999Inactive209776
06/28/1999Inactive209776
07/05/1999Inactive209976
07/12/1999Inactive209976
07/19/1999Inactive209976
07/26/1999Inactive209976
08/02/1999Inactive209676
08/09/1999Inactive209776
08/16/1999Inactive209776
08/23/1999Inactive209676
08/30/1999Inactive209676
09/06/1999Inactive209776
09/13/1999Inactive209776
09/20/1999Inactive209876
09/27/1999Inactive209876
10/04/1999Inactive209876
10/11/1999Inactive209876
10/18/1999Inactive209876
10/25/1999Inactive209876
11/01/1999Inactive210076
11/08/1999Inactive209976
11/15/1999Inactive210076
11/22/1999Inactive209976
11/29/1999Inactive210076
12/06/1999Inactive210176
12/13/1999Inactive210076
12/20/1999Inactive209976
12/27/1999Inactive210076
01/03/2000Inactive210076
01/10/2000Inactive210176
01/17/2000Inactive210076
01/24/2000Inactive210076
01/31/2000Inactive210176
02/07/2000Inactive209387
02/14/2000Inactive209387
02/21/2000Inactive209487
02/28/2000Inactive209587
03/06/2000Inactive209487
03/13/2000Inactive209387
03/20/2000Inactive209487
03/27/2000Inactive209487
04/03/2000Inactive209487
04/10/2000Inactive209387
04/17/2000Inactive209387
04/24/2000Inactive209287
05/01/2000Inactive209187
05/08/2000Inactive209187
05/15/2000Inactive209287
05/22/2000Inactive209287
05/29/2000Inactive209087
06/05/2000Inactive209187
06/12/2000Inactive209287
06/19/2000Inactive209187
06/26/2000Inactive209187
07/03/2000Inactive209187
07/10/2000Inactive209387
07/17/2000Inactive209387
07/24/2000Inactive209487
07/31/2000Inactive209487
08/07/2000Inactive208987
08/14/2000Inactive209087
08/21/2000Inactive209187
08/28/2000Inactive209187
09/04/2000Inactive209087
09/11/2000Inactive209187
09/18/2000Inactive209187
09/25/2000Inactive209187
10/02/2000Inactive209087
10/09/2000Inactive209287
10/16/2000Inactive209387
10/23/2000Inactive209387
10/30/2000Inactive209387
11/06/2000Inactive209487
11/13/2000Inactive209387
11/20/2000Inactive209287
11/27/2000Inactive209387
12/04/2000Inactive209587
12/11/2000Inactive209587
12/18/2000Inactive209587
12/25/2000Inactive209587
01/01/2001Inactive209587
01/08/2001Inactive209587
01/15/2001Inactive209587
01/22/2001Inactive209687
01/29/2001Inactive209687
02/05/2001Inactive209587

These ratings, calculated for Haggren, Stig Olof, incorporate all games (against rated opponents) played in the year before the "Date of rating", along with the ratings that were already calculated one year previously. If a player has an insufficient number of games in recent years, there may be gaps in the list, even though you may see ratings listed on previous and/or subsequent dates. Whenever a player has played no rated games for three straight years, or dies, they are removed from the list.

Definition of columns in the above list:

Date of rating is the "effective date" of the rating. The rating calculation does not include any games occurring after the "Date of rating".

World Rank refers to the player's world rank on that date.

Rating is the calculated rating for the player, as of the "Date of Rating". This represents the player's estimated strength on the following day.

+/- is the standard deviation of the player's rating estimate. It is based on a geometric average of the number of rated games played in past years. Players who play very frequently will have a smaller +/- value, indicating a greater confidence in the accuracy of their rating. Players whose +/- value exceeds 76 are classified as "Inactive" due to their infrequent play against rated opponents. Mathematically, a player's rating is an estimate of their exact strength on the day after the "Date of Rating". The +/- value represents the standard deviation of that estimate; the player's true strength on that date should be within one standard deviation of their calculated rating approximately 68% of the time, and within two standard deviations of their calculated rating approximately 95% of the time.

Age is the player's exact age in years, on the "Date of Rating". If a player's age is displayed as a link, that means that this rating was active at the time of their next birthday. Click on the link to see the sorted list of all players' ratings on their birthdays when turning that same age.

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