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Career ratings for: Vegh, Jean Pierre

  Date of rating  

World Rank Rating +/- Age
01/31/1996#4251212771
02/29/1996#4268212971
03/31/1996#4271213071
04/30/1996#4265213071
05/31/1996#4260212871
06/30/1996#4271212971
07/31/1996#4302212971
08/31/1996#4333213271
09/30/1996#4395213371
10/31/1996#4411213071
11/30/1996#4444213071
12/31/1996#4469213171
01/31/1997#4389213872
02/28/1997#4397213972
03/31/1997#4455213872
04/30/1997#4472213772
05/31/1997#4499213872
06/30/1997#4486214072
07/31/1997#4498214072
08/31/1997#4533214072
09/30/1997#4536214072
10/31/1997#4644213972
11/30/1997#4631214072
12/31/1997#4677213972
01/31/1998Inactive212982
02/28/1998Inactive213082
03/31/1998Inactive213082
04/30/1998Inactive213282
05/31/1998Inactive213282
06/30/1998Inactive213282
07/31/1998Inactive213282
08/31/1998Inactive213182
09/30/1998Inactive213382
10/31/1998Inactive213382
11/30/1998Inactive213382
12/31/1998Inactive213182
01/11/1999Inactive213182
01/18/1999Inactive213182
01/25/1999Inactive213182

These ratings, calculated for Vegh, Jean Pierre, 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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