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Individual Calculations September 2011 |
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| Santalla, Andres Total change: 0.45 | |   |
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| 112th Annual US Open | Orlando, Florida | USA | 2011-07-30 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2111 | 2099 | 2.00 | 4 | 0.03 | 15 | 0.45 | |
|  Anderson, Douglas | | | 1898 | USA | 1.00 | 1 | 0.24 | 15 | 3.60 | | | Ritter, Mark | f | | 2408 | USA | 0.00 | 1 | -0.14 | 15 | -2.10 | |  Haring, Ruth Inez | | wm | 1955 | USA | 1.00 | 1 | 0.31 | 15 | 4.65 | | | Harmon-Vellotti, Luke | | | 2184 | USA | 0.00 | 1 | -0.38 | 15 | -5.70 | |
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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