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Individual Calculations October 2008 |
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| Chiang, Sarah Total change: -8.00 | |   |
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| 109th Annual US Open | Dallas, Texas | USA | 2008-08-02 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1914 | 1564 | 0.50 | 3 | 0.17 | 25 | 4.25 | |
|  Itkis, Hana | | wf | 1914 | USA | 0.00 | 1 | -0.11 | 25 | -2.75 | | | Vicary, Elizabeth | | wf | 1914 | USA | 0.00 | 1 | -0.11 | 25 | -2.75 | | | Zuniga, Ivan | | | 1914 | USA | 0.50 | 1 | 0.39 | 25 | 9.75 | |
Rc - average rating of rated opponents, Ro - rating of a player in a tournament, Rp - rating performance of an unrated player, W - points won in a tournament against rated opponents, N - total number of games against rated opponents, Change - change used for calculation according to formula, K - development coefficient, Kchg - rating change of a player calculated as (K * change) | | | | DFW FIDE Open | Richardson, Texas | USA | 2008-08-23 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1914 | 1564 | 0.00 | 2 | -0.22 | 25 | -5.50 | |
| | Jamison, Courtney | | | 1914 | USA | 0.00 | 1 | -0.11 | 25 | -2.75 | | | Yang, Darwin | f | | 1914 | USA | 0.00 | 1 | -0.11 | 25 | -2.75 | |
Rc - average rating of rated opponents, Ro - rating of a player in a tournament, Rp - rating performance of an unrated player, W - points won in a tournament against rated opponents, N - total number of games against rated opponents, Change - change used for calculation according to formula, K - development coefficient, Kchg - rating change of a player calculated as (K * change) | | | | 74th Annual Southwest Open | Fort Worth, Texas | USA | 2008-08-29 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1879 | 1564 | 0.00 | 2 | -0.27 | 25 | -6.75 | |
| | Yang, Darwin | f | | 1914 | USA | 0.00 | 1 | -0.11 | 25 | -2.75 | | | Pamatmat, Jarod | | | 1844 | USA | 0.00 | 1 | -0.16 | 25 | -4.00 | |
Rc - average rating of rated opponents, Ro - rating of a player in a tournament, Rp - rating performance of an unrated player, W - points won in a tournament against rated opponents, N - total number of games against rated opponents, Change - change used for calculation according to formula, K - development coefficient, Kchg - rating change of a player calculated as (K * change) | | |
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