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Individual Calculations October 2008 |
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| Zuniga, Ivan Total change: -12.75 | |   |
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| 109th Annual US Open | Dallas, Texas | USA | 2008-08-02 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1925 | 2082 | 0.50 | 2 | -0.84 | 25 | -21.00 | |
|  Shen, Victor C | | | 2118 | USA | 0.00 | 1 | -0.45 | 25 | -11.25 | |  Chiang, Sarah | | wc | 1732 | 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) | | | | 30th Annual Southern California Open | Temecula, California | USA | 2008-08-30 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1956 | 2082 | 1.00 | 1 | 0.33 | 25 | 8.25 | |
| | Sobel, Simone | | | 1956 | USA | 1.00 | 1 | 0.33 | 25 | 8.25 | |
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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