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Career ratings for: Spycher, Bernard

  Date of rating  

World Rank Rating +/- Age
01/31/1989#1528218973
02/28/1989#1528218673
03/31/1989#1581218573
04/30/1989#1603218573
05/31/1989#1614218573
06/30/1989#1625219067
07/31/1989#1557222467
08/31/1989#1544223467
09/30/1989#1488225066
10/31/1989#1452226467
11/30/1989#1452226667
12/31/1989#1444227167
01/31/1990#1708223273
02/28/1990#1692223071
03/31/1990#1664223569
04/30/1990#1679223669
05/31/1990#1690223369
06/30/1990#1784220074
07/31/1990#1717223273
08/31/1990#1682224373
09/30/1990#1640225873
10/31/1990#1585227273
11/30/1990#1589227073
12/31/1990#1591227473
01/31/1991Inactive223979
02/28/1991Inactive222181
03/31/1991Inactive222679
04/30/1991Inactive222979
05/31/1991Inactive223179
06/30/1991Inactive219684
07/31/1991Inactive222884
08/31/1991Inactive223884
09/30/1991Inactive225383
10/31/1991Inactive226784
11/30/1991Inactive226884
12/31/1991Inactive227084

These ratings, calculated for Spycher, Bernard, 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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