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Career ratings for: Gallmayer, Peter

  Date of rating  

World Rank Rating +/- Age
01/31/1980#714220575
02/29/1980#670217575
03/31/1980#688217475
04/30/1980#670217975
05/31/1980#685218075
06/30/1980#666218575
07/31/1980#675218675
08/31/1980#670219474
09/30/1980#673219474
10/31/1980#677219374
11/30/1980#690219374
12/31/1980#687219774
01/31/1981Inactive219986
02/28/1981Inactive216686
03/31/1981Inactive216586
04/30/1981Inactive216786
05/31/1981Inactive216786
06/30/1981Inactive217486
07/31/1981Inactive217386
08/31/1981Inactive218284
09/30/1981Inactive218184
10/31/1981Inactive218184
11/30/1981Inactive218284
12/31/1981Inactive218984

These ratings, calculated for Gallmayer, Peter, 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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