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Career ratings for: Litvinov, V.

  Date of rating  

World Rank Rating +/- Age
01/31/1981#610230075
02/28/1981#591229375
03/31/1981#601229275
04/30/1981#608229475
05/31/1981#605229475
06/30/1981#613229375
07/31/1981#625229275
08/31/1981#632228875
09/30/1981#631228875
10/31/1981#643228975
11/30/1981#639229075
12/31/1981#645228475
01/31/1982Inactive228986
02/28/1982Inactive228586
03/31/1982Inactive228586
04/30/1982Inactive228886
05/31/1982Inactive228686
06/30/1982Inactive228586
07/31/1982Inactive228486
08/31/1982Inactive228386
09/30/1982Inactive228086
10/31/1982Inactive228586
11/30/1982Inactive228586
12/31/1982Inactive228086
02/29/1996#2147231275
03/31/1996#2122231375
04/30/1996#2122231175
05/31/1996#2164230875
06/30/1996#2106230975
07/31/1996#2087231075
08/31/1996#2119231175
09/30/1996#2104231175
10/31/1996#2148231075
11/30/1996#2153230875
12/31/1996#2166231075
02/28/1997Inactive230586
03/31/1997Inactive230586
04/30/1997Inactive230486
05/31/1997Inactive230086
06/30/1997Inactive230386
07/31/1997Inactive230486
08/31/1997Inactive230486
09/30/1997Inactive230386
10/31/1997Inactive230386
11/30/1997Inactive230186
12/31/1997Inactive230186

These ratings, calculated for Litvinov, 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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