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Career ratings for: Rodriguez, Al

  Date of rating  

World Rank Rating +/- Age
03/31/1965#364229362
06/30/1965#433222762
09/30/1965#431222762
12/31/1965#399222962
03/31/1966#363228670
06/30/1966#414221971
09/30/1966#432222271
12/31/1966#440222271
03/31/1967Inactive227880
06/30/1967Inactive221381
09/30/1967Inactive221481
12/31/1967Inactive221481
03/31/1968#373229871
06/30/1968#446224471
09/30/1968#458224171
12/31/1968#466224471
03/31/1969Inactive229481
06/30/1969Inactive224181
09/30/1969Inactive224181
12/31/1969Inactive224581
02/28/1970Inactive224381
08/31/1992Inactive229983
09/30/1992Inactive230083
10/31/1992Inactive230583
11/30/1992Inactive230483
12/31/1992Inactive230783
01/31/1993Inactive229386
02/28/1993Inactive229186
03/31/1993Inactive228986
04/30/1993Inactive229286
05/31/1993Inactive228986
06/30/1993Inactive228686
07/31/1993Inactive228886
01/31/1994Inactive234678
02/28/1994Inactive234678
03/31/1994Inactive234478
04/30/1994Inactive234878
05/31/1994Inactive235178
06/30/1994Inactive234878
07/31/1994Inactive235078
08/31/1994Inactive235579
09/30/1994Inactive235579
10/31/1994Inactive235679
11/30/1994Inactive236079
12/31/1994Inactive235979
01/31/1995#780242561
02/28/1995#774242561
03/31/1995#771242561
04/30/1995#768242861
05/31/1995#780242761
06/30/1995#778242861
07/31/1995#784242961
08/31/1995#751243561
09/30/1995#744243661
10/31/1995#727244061
11/30/1995#723243961
12/31/1995#732244161
01/31/1996#867242469
02/29/1996#865242569
03/31/1996#852242569
04/30/1996#843242669
05/31/1996#858242669
06/30/1996#858242469
07/31/1996#853242469
08/31/1996#823242969
09/30/1996#807242969
10/31/1996#816243169
11/30/1996#803243169
12/31/1996#810243369
01/31/1997Inactive241678
02/28/1997Inactive241778
03/31/1997Inactive241878
04/30/1997Inactive241978
05/31/1997Inactive241778
06/30/1997Inactive241778
07/31/1997Inactive241778
08/31/1997Inactive242279
09/30/1997Inactive242179
10/31/1997Inactive242479
11/30/1997Inactive242379
12/31/1997Inactive242379
01/31/1998Inactive240689
02/28/1998Inactive240789
03/31/1998Inactive241089
04/30/1998Inactive241389
05/31/1998Inactive241389
06/30/1998Inactive241189
07/31/1998Inactive241289

These ratings, calculated for Rodriguez, Al, 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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