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Career ratings for: Fabian, J.

  Date of rating  

World Rank Rating +/- Age
06/30/1959#284224671
12/31/1959#271225071
03/31/1960#315224871
06/30/1960Inactive223481
09/30/1960Inactive223481
12/31/1960Inactive223781
03/31/1961#291232166
06/30/1961#273232268
09/30/1961#277232068
12/31/1961#262232468
03/31/1962#312229665
06/30/1962#302229566
09/30/1962#313229366
12/31/1962#311228965
03/31/1963#339226662
06/30/1963#343226362
09/30/1963#330226262
12/31/1963#334224962
03/31/1964#354225970
06/30/1964#354225770
09/30/1964#348225670
12/31/1964#369225070
03/31/1965Inactive226480
06/30/1965Inactive226080
09/30/1965Inactive225980
12/31/1965Inactive226080
03/31/1968#399227665
06/30/1968#412227465
09/30/1968#427227065
12/31/1968#434227165
03/31/1969#436228073
06/30/1969#437227973
09/30/1969#434227773
12/31/1969#419227973
02/28/1970#470227773
04/30/1970Inactive228684
06/30/1970Inactive228184
08/31/1970Inactive228384
10/31/1970Inactive228384
12/31/1970Inactive228384
02/28/1971Inactive227984

These ratings, calculated for Fabian, J., 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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