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Career ratings for: Markovic, V.

  Date of rating  

World Rank Rating +/- Age
01/31/1989#1576215875
02/28/1989#1567215675
03/31/1989#1613215775
04/30/1989#1637216075
05/31/1989#1652215975
06/30/1989#1674215875
07/31/1989#1687215875
08/31/1989#1689216475
09/30/1989#1683216475
10/31/1989#1721216275
11/30/1989#1723216075
12/31/1989#1718216175
01/31/1990Inactive215486
02/28/1990Inactive215186
03/31/1990Inactive215186
04/30/1990Inactive215586
05/31/1990Inactive215286
06/30/1990Inactive215386
07/31/1990Inactive215286
08/31/1990Inactive215886
09/30/1990Inactive215886
10/31/1990Inactive215786
11/30/1990Inactive215286
12/31/1990Inactive215186

These ratings, calculated for Markovic, V., 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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