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Career ratings for: Kobese, Watu

  Date of rating  

World Rank Rating +/- Age
11/30/1994#1692233175
12/31/1994#1662233275
01/31/1995#1621233775
02/28/1995#1613233875
03/31/1995#1580234175
04/30/1995#1582234275
05/31/1995#1592234175
06/30/1995#1609234075
07/31/1995#1604234175
08/31/1995#1634234175
09/30/1995#1644234075
10/31/1995#1636234375
11/30/1995Inactive232686
12/31/1995Inactive232985
01/31/1996Inactive233686
02/29/1996Inactive233886
03/31/1996Inactive234186
04/30/1996Inactive234186
05/31/1996Inactive233986
06/30/1996Inactive233686
07/31/1996Inactive233786
08/31/1996Inactive233686
09/30/1996#1552235368
10/31/1996#1506235768
11/30/1996#1711234070
12/31/1996#1732234170
01/31/1997#1624234870
02/28/1997#1628234970
03/31/1997#1651234770
04/30/1997#1664234770
05/31/1997#1654234670
06/30/1997#1660234670
07/31/1997#1658234670
08/31/1997#1678234570
09/30/1997Inactive234577
10/31/1997Inactive235078
11/30/1997Inactive233280
12/31/1997#1538235168
01/31/1998#1465235660
02/28/1998#1515235359
03/31/1998#1546235259
04/30/1998#1544235359
05/31/1998#1543235459
06/30/1998#1587235058
07/31/1998#1717233956
08/31/1998#1723233756
09/30/1998#1985231754
10/31/1998#2021231653
11/30/1998#2172230253
12/31/1998#2060231153
01/11/1999#1909231153
01/18/1999#1910231153
01/25/1999#1911231153
02/01/1999#1751231954
02/08/1999#1755231954
02/15/1999#1759231954
02/22/1999#1772231954
03/01/1999#1748231954
03/08/1999#1753232154
03/15/1999#1753232054
03/22/1999#1751232254
03/29/1999#1753232254
04/05/1999#1799232054
04/12/1999#1802232054
04/19/1999#1804232154
04/26/1999#1812232154
05/03/1999#1912231354
05/10/1999#1912231254
05/17/1999#1916231254
05/24/1999#1927231154
05/31/1999#1943231154
06/07/1999#1925231154
06/14/1999#1924231154
06/21/1999#1929231154
06/28/1999#1932231254
07/05/1999#1941231054
07/12/1999#1943231154
07/19/1999#1941231254
07/26/1999#1946231354
08/02/1999#1958231155
08/09/1999#2013230855
08/16/1999#2077230154
08/23/1999#2082230354
08/30/1999#2088230254
09/06/1999#2091230254
09/13/1999#2092230154
09/20/1999#2098230254
09/27/1999#2109230254
10/04/1999#2120229955
10/11/1999#2126229955
10/18/1999#2143229955
10/25/1999#2142229955
11/01/1999#2061230256
11/08/1999#2064230256
11/15/1999#2069230256
11/22/1999#2077230256
11/29/1999#1803232256
12/06/1999#1873231656
12/13/1999#1871231656
12/20/1999#1878231556
12/27/1999#1879231656
01/03/2000#1763232556
01/10/2000#1765232656
01/17/2000#1810232456
01/24/2000#1875232056
01/31/2000#1876232156
02/07/2000#1724232756
02/14/2000#1725232656
02/21/2000#1735232756
02/28/2000#1737232856
03/06/2000#1712232956
03/13/2000#1713232856
03/20/2000#1712232856
03/27/2000#1710232856
04/03/2000#1692232756
04/10/2000#1730232456
04/17/2000#1740232456
04/24/2000#1747232356
05/01/2000#1751232356
05/08/2000#1832231657
05/15/2000#1835231757
05/22/2000#1840231657
05/29/2000#1841231657
06/05/2000#1836231657
06/12/2000#1889231156
06/19/2000#1904231256
06/26/2000#1902231256
07/03/2000#1908231256
07/10/2000#1927231056
07/17/2000#1926231156
07/24/2000#1927231156
07/31/2000#1929231156
08/07/2000#1931230957
08/14/2000#1918231157
08/21/2000#1898231358
08/28/2000#1891231358
09/04/2000#1892231358
09/11/2000#1894231458
09/18/2000#1890231458
09/25/2000#1894231458
10/02/2000#1905231258
10/09/2000#1910230959
10/16/2000#1912230859
10/23/2000#1917230759
10/30/2000#1925230759
11/06/2000#1848231059
11/13/2000#1865231059
11/20/2000#1874231359
11/27/2000#1869231359
12/04/2000#1862231660
12/11/2000#1916231161
12/18/2000#1921231361
12/25/2000#1925231361
01/01/2001#1930231461
01/08/2001#1830232261
01/15/2001#1836232261
01/22/2001#1824232362
01/29/2001#1818232462
02/05/2001#1796232562
02/12/2001#1692233063
02/19/2001#1694233063
02/26/2001#1697233063
03/05/2001#1691232963
03/12/2001#1683233063
03/19/2001#1686232963
03/26/2001#1682233063
04/02/2001#1675233063
04/09/2001#1673233063
04/16/2001#1716232763
04/23/2001#1718232563
04/30/2001#1721232563
05/07/2001#1732232563
05/14/2001#1811231963
05/21/2001#1812231763
05/28/2001#1813231763
06/04/2001#1809231763
06/11/2001#1805231963
06/18/2001#1858231562
06/25/2001#1858231562
07/02/2001#1848231662
07/09/2001#1848231562
07/16/2001#1875231463
07/23/2001#1883231363
07/30/2001#1873231462
08/06/2001#1745232461
08/13/2001#1760232461
08/20/2001#1729232662
08/27/2001#1741232762
09/03/2001#1743232762
09/10/2001#1752232762

These ratings, calculated for Kobese, Watu, 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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