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Career ratings for: Gwaze, Robert

  Date of rating  

World Rank Rating +/- Age
11/13/2000Inactive225280
11/20/2000#1760232273
11/27/2000#1759232373
12/04/2000#1765232473
12/11/2000#1783232173
12/18/2000#1789232273
12/25/2000#1805232273
01/01/2001#1823232273
01/08/2001#1853231973
01/15/2001#1858232073
01/22/2001#1840232273
01/29/2001#1844232273
02/05/2001#1824232273
02/12/2001#1671233273
02/19/2001#1675233273
02/26/2001#1678233273
03/05/2001#1665233273
03/12/2001#1638233473
03/19/2001#1647233373
03/26/2001#1644233373
04/02/2001#1639233373
04/09/2001#1636233373
04/16/2001#1684232973
04/23/2001#1693232873
04/30/2001#1703232773
05/07/2001#1723232673
05/14/2001#1698232973
05/21/2001#1731232573
05/28/2001#1728232573
06/04/2001#1726232573
06/11/2001#1739232673
06/18/2001#1742232673
06/25/2001#1738232773
07/02/2001#1728232773
07/09/2001#1724232773
07/16/2001#1687232973
07/23/2001#1679232973
07/30/2001#1662233073
08/06/2001#1682233073
08/13/2001#1730232673
08/20/2001#1745232573
08/27/2001#1735232773
09/03/2001#1696233173
09/10/2001#1708233173

These ratings, calculated for Gwaze, Robert, 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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