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Career ratings for: Vorobjov, Pavel

  Date of rating  

World Rank Rating +/- Age
01/31/1998#4706210171
02/28/1998#4721210171
03/31/1998#4745210071
04/30/1998#4778210071
05/31/1998#4789209971
06/30/1998#4833210567
07/31/1998#4860210867
08/31/1998#4935210767
09/30/1998#4989211067
10/31/1998#5052211067
11/30/1998#5118210867
12/31/1998#5175210667
01/11/1999#4855210667
01/18/1999#4864210667
01/25/1999#4877210667
02/01/1999#4053211074
02/08/1999#4057211174
02/15/1999#4081211074
02/22/1999#4116211074
03/01/1999#4097211074
03/08/1999#4111211274
03/15/1999#4113211174
03/22/1999#4115211174
03/29/1999#4125211174
04/05/1999#4128211074
04/12/1999#4144211074
04/19/1999#4152211174
04/26/1999#4178211174
05/03/1999#4163211074
05/10/1999#4166210974
05/17/1999#4183210974
05/24/1999#4204210974
05/31/1999#4227210974
06/07/1999#4219211074
06/14/1999#4227211074
06/21/1999#4240210974
06/28/1999#4247211074
07/05/1999Inactive209877
07/12/1999Inactive209877
07/19/1999Inactive209877
07/26/1999Inactive209977
08/02/1999Inactive210177
08/09/1999Inactive210277
08/16/1999Inactive210177
08/23/1999Inactive210077
08/30/1999Inactive210177
09/06/1999Inactive210277
09/13/1999Inactive210177
09/20/1999Inactive210277
09/27/1999Inactive210277
10/04/1999Inactive210277
10/11/1999Inactive210277
10/18/1999Inactive210277
10/25/1999Inactive210277
11/01/1999Inactive210277
11/08/1999Inactive210277
11/15/1999Inactive210377
11/22/1999Inactive210277
11/29/1999Inactive210377
12/06/1999Inactive210377
12/13/1999Inactive210277
12/20/1999Inactive210177
12/27/1999Inactive210177
01/03/2000Inactive210177
01/10/2000Inactive210277
01/17/2000Inactive210177
01/24/2000Inactive210277
01/31/2000Inactive210277
02/07/2000Inactive210684
02/14/2000Inactive210684
02/21/2000Inactive210784
02/28/2000Inactive210884
03/06/2000Inactive210784
03/13/2000Inactive210684
03/20/2000Inactive210784
03/27/2000Inactive210784
04/03/2000Inactive210784
04/10/2000Inactive210584
04/17/2000Inactive210584
04/24/2000Inactive210484
05/01/2000Inactive210484
05/08/2000Inactive210384
05/15/2000Inactive210584
05/22/2000Inactive210484
05/29/2000Inactive210384
06/05/2000Inactive210384
06/12/2000Inactive210484
06/19/2000Inactive210484
06/26/2000Inactive210384
07/03/2000Inactive210384
07/10/2000Inactive209388
07/17/2000Inactive209388
07/24/2000Inactive209388
07/31/2000Inactive209388
08/07/2000Inactive209488
08/14/2000Inactive209588
08/21/2000Inactive209688
08/28/2000Inactive209588
09/04/2000Inactive209488
09/11/2000Inactive209688
09/18/2000Inactive209688
09/25/2000Inactive209688
10/02/2000Inactive209488
10/09/2000Inactive209588
10/16/2000Inactive209688
10/23/2000Inactive209788
10/30/2000Inactive209688
11/06/2000Inactive209788
11/13/2000Inactive209688
11/20/2000Inactive209588
11/27/2000Inactive209688
12/04/2000Inactive209788
12/11/2000Inactive209788
12/18/2000Inactive209788
12/25/2000Inactive209788
01/01/2001Inactive209788
01/08/2001Inactive209688
01/15/2001Inactive209688
01/22/2001Inactive209788
01/29/2001Inactive209788
02/05/2001Inactive209688

These ratings, calculated for Vorobjov, Pavel, 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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