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Individual Calculations July 2009 |
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| Chiang, Sarah Total change: 0.90 | |   |
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| 2009 TexOhma FIDE Open | Richardson, Texas | USA | 2009-03-14 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1777 | 1651 | 0.00 | 1 | -0.33 | 15 | -4.95 | |
|  Lin, Dachey | | | 1777 | USA | 0.00 | 1 | -0.33 | 15 | -4.95 | |
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 III | Richardson, Texas | USA | 2009-05-30 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1847 | 1673 | 1.00 | 2 | 0.39 | 15 | 5.85 | |
|  Nonchev, Kalin K | | | 2023 | USA | 1.00 | 1 | 0.89 | 15 | 13.35 | | | He, Tommy O | | | 1671 | USA | 0.00 | 1 | -0.50 | 15 | -7.50 | |
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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