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Career ratings for: Peresipkin, Vladimir

  Date of rating  

World Rank Rating +/- Age
02/28/1974Inactive239289
04/30/1974Inactive238889
06/30/1974Inactive238989
08/31/1974Inactive238889
10/31/1974Inactive238989
12/31/1974Inactive239389
02/28/1975Inactive239789
04/30/1975Inactive239589
06/30/1975Inactive239689
08/31/1975Inactive239589
10/31/1975Inactive239989
12/31/1975Inactive240489
02/29/1976Inactive241883
04/30/1976Inactive242083
06/30/1976Inactive242083
08/31/1976Inactive242283
10/31/1976#212245475
12/31/1976#208245975
02/28/1977Inactive244781
04/30/1977Inactive244981
06/30/1977Inactive244681
08/31/1977Inactive244881
10/31/1977Inactive245386
12/31/1977Inactive245586
02/28/1978#129251663
04/30/1978#128251463
06/30/1978#144250859
08/31/1978#140251259
10/31/1978#119252559
12/31/1978#116252756
02/28/1979#134251958
04/30/1979#134251958
06/30/1979#136251660
08/31/1979#130251660
10/31/1979#119252659
12/31/1979#123252862
01/31/1980#129252962
02/29/1980#128252365
03/31/1980#128252365
04/30/1980#131252565
05/31/1980#131252665
06/30/1980#128252767
07/31/1980#128252767
08/31/1980#124252767
09/30/1980#125252767
10/31/1980#115253567
11/30/1980#113253567
12/31/1980#115253170
01/31/1981#119253070
02/28/1981#122252074
03/31/1981#124251974
04/30/1981#125251974
05/31/1981#127251874
06/30/1981Inactive251976
07/31/1981Inactive251976
08/31/1981Inactive251976
09/30/1981Inactive251876
10/31/1981Inactive252876
11/30/1981Inactive252976
12/31/1981Inactive252879
01/31/1982Inactive252579
02/28/1982Inactive251884
03/31/1982Inactive251784
04/30/1982Inactive251984
05/31/1982Inactive251784
06/30/1982Inactive251887
07/31/1982Inactive251687
08/31/1982Inactive252087
09/30/1982Inactive251787
10/31/1982Inactive253087
11/30/1982Inactive253087

These ratings, calculated for Peresipkin, Vladimir, 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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