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Career ratings for: Liang Chong

  Date of rating  

World Rank Rating +/- Age
08/31/1996#733244269
09/30/1996#742243969
10/31/1996#731244269
11/30/1996#749243969
12/31/1996#413249467
01/31/1997#447249067
02/28/1997#447249167
03/31/1997#437249167
04/30/1997#446249167
05/31/1997#452248867
06/30/1997#452248867
07/31/1997#442248867
08/31/1997#682244967
09/30/1997#685244567
10/31/1997#665244967
11/30/1997#680244667
12/31/1997#415249167
01/31/1998#430248767
02/28/1998#437248867
03/31/1998#435249167
04/30/1998#428249267
05/31/1998#441249067
06/30/1998#537247359
07/31/1998#525247359
08/31/1998#771243262
09/30/1998#779242962
10/31/1998#748243262
11/30/1998#757242962
12/31/1998#536246362
01/11/1999#514246462
01/18/1999#515246462
01/25/1999#515246462
02/01/1999#534246162
02/08/1999#532246162
02/15/1999#532246162
02/22/1999#529246262
03/01/1999#529246062
03/08/1999#530246262
03/15/1999#529246162
03/22/1999#529246262
03/29/1999#530246262
04/05/1999#532246562
04/12/1999#532246562
04/19/1999#536246562
04/26/1999#533246562
05/03/1999#534246662
05/10/1999#533246562
05/17/1999#534246562
05/24/1999#533246362
05/31/1999#536246462
06/07/1999#542246262
06/14/1999#541246262
06/21/1999#540246162
06/28/1999#541246262
07/05/1999#542246366
07/12/1999#542246466
07/19/1999#544246466
07/26/1999#546246566
08/02/1999#534246566
08/09/1999#536246664
08/16/1999#535246363
08/23/1999#539246463
08/30/1999#538246363
09/06/1999#759242765
09/13/1999#760242765
09/20/1999#760242765
09/27/1999#759242765
10/04/1999#781242665
10/11/1999#781242565
10/18/1999#784242665
10/25/1999#782242665
11/01/1999#659244660
11/08/1999#660244660
11/15/1999#712243859
11/22/1999#711243859
11/29/1999#712243959
12/06/1999#721243559
12/13/1999#723243659
12/20/1999#724243559
12/27/1999#726243659
01/03/2000#548246358
01/10/2000#548246358
01/17/2000#551246558
01/24/2000#553246558
01/31/2000#549246658
02/07/2000#557246558
02/14/2000#556246558
02/21/2000#559246658
02/28/2000#559246658
03/06/2000#565246658
03/13/2000#564246558
03/20/2000#565246558
03/27/2000#566246458
04/03/2000#561246258
04/10/2000#560246358
04/17/2000#558246358
04/24/2000#557246258
05/01/2000#560246258
05/08/2000#571246058
05/15/2000#573246158
05/22/2000#574246058
05/29/2000#574246158
06/05/2000#578246058
06/12/2000#575245958
06/19/2000#577245958
06/26/2000#578245958
07/03/2000#582245958
07/10/2000#581246059
07/17/2000#579246059
07/24/2000#581246059
07/31/2000#579246059
08/07/2000#574246059
08/14/2000#559246360
08/21/2000#544246560
08/28/2000#546246660
09/04/2000#549246560
09/11/2000#704243961
09/18/2000#708243961
09/25/2000#706243961
10/02/2000#703243861
10/09/2000#715243661
10/16/2000#718243461
10/23/2000#719243461
10/30/2000#720243361
11/06/2000#651244363
11/13/2000#624244962
11/20/2000#587245761
11/27/2000#587245761
12/04/2000#586245961
12/11/2000#606245861
12/18/2000#602245961
12/25/2000#606246061
01/01/2001#603246161
01/08/2001#473248361
01/15/2001#475248361
01/22/2001#481248361
01/29/2001#480248361
02/05/2001#518247859
02/12/2001#526247559
02/19/2001#528247559
02/26/2001#587246458
03/05/2001#586246458
03/12/2001#627245557
03/19/2001#627245557
03/26/2001#669244857
04/02/2001#671244757
04/09/2001#672244757
04/16/2001#669244857
04/23/2001#672244757
04/30/2001#675244657
05/07/2001#673244557
05/14/2001#677244557
05/21/2001#681244357
05/28/2001#681244357
06/04/2001#683244357
06/11/2001#688244457
06/18/2001#681244457
06/25/2001#732243656
07/02/2001#724243756
07/09/2001#722243656
07/16/2001#716243757
07/23/2001#716243557
07/30/2001#715243657
08/06/2001#600245553
08/13/2001#512247153
08/20/2001#562246352
08/27/2001#635244952
09/03/2001#627245252
09/10/2001#622245252

These ratings, calculated for Liang Chong, 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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