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Career ratings for: Zair, Abdelkarim

  Date of rating  

World Rank Rating +/- Age
07/31/1994#3112219171
08/31/1994#3144219271
09/30/1994#3159219371
10/31/1994#3099219671
11/30/1994#3179219871
12/31/1994#3232219371
01/31/1995#3340219171
02/28/1995#3372218871
03/31/1995#3403218871
04/30/1995#3447218471
05/31/1995#3438218771
06/30/1995#3437218872
07/31/1995Inactive218381
08/31/1995Inactive218681
09/30/1995Inactive218781
10/31/1995Inactive219481
11/30/1995Inactive219281
12/31/1995Inactive219081
01/31/1996Inactive218677
02/29/1996Inactive218477
03/31/1996Inactive218477
04/30/1996Inactive217977
05/31/1996Inactive218177
06/30/1996Inactive218078
07/31/1996Inactive217385
08/31/1996Inactive216980
09/30/1996Inactive216880
10/31/1996Inactive217480
11/30/1996Inactive217380
12/31/1996Inactive217785
01/31/1997Inactive217988
02/28/1997Inactive217788
03/31/1997Inactive217788
04/30/1997Inactive217288
05/31/1997Inactive217488
06/30/1997Inactive217489
01/31/1998Inactive217189
02/28/1998Inactive217089
03/31/1998Inactive217289
04/30/1998Inactive216989
05/31/1998Inactive217289
06/30/1998Inactive217189
02/01/1999Inactive216589
02/08/1999Inactive216589
02/15/1999Inactive216589
02/22/1999Inactive216589
03/01/1999Inactive216289
03/08/1999Inactive216489
03/15/1999Inactive216389
03/22/1999Inactive216489
03/29/1999Inactive216489
04/05/1999Inactive216789
04/12/1999Inactive216789
04/19/1999Inactive216789
04/26/1999Inactive216789
05/03/1999Inactive216389
05/10/1999Inactive216289
05/17/1999Inactive216289
05/24/1999Inactive216089
05/31/1999Inactive216189
06/07/1999Inactive216389
06/14/1999Inactive216389
06/21/1999Inactive216389
06/28/1999Inactive216389
07/05/1999Inactive216489
07/12/1999Inactive216589
07/19/1999Inactive216589
07/26/1999Inactive216689

These ratings, calculated for Zair, Abdelkarim, 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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