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Individual Calculations October 2008 |
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| Lagemann, Nathaniel Total change: 20.50 | |   |
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| 109th Annual US Open | Dallas, Texas | USA | 2008-08-02 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2149 | 1941 | 1.00 | 3 | 0.30 | 25 | 7.50 | |
|  Simms, Gary | | | 2125 | USA | 0.50 | 1 | 0.24 | 25 | 6.00 | | | Studen, Damir | | | 2177 | USA | 0.00 | 1 | -0.20 | 25 | -5.00 | | | Vicary, Elizabeth | | wf | 2145 | USA | 0.50 | 1 | 0.26 | 25 | 6.50 | |
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) | | | | 30th Annual Southern California Open | Temecula, California | USA | 2008-08-30 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2038 | 1941 | 2.00 | 4 | 0.52 | 25 | 13.00 | |
| | Hanken, Jerome B | | | 1944 | USA | 1.00 | 1 | 0.50 | 25 | 12.50 | |  Kurosaki, Takashi | | | 2114 | USA | 0.00 | 1 | -0.27 | 25 | -6.75 | | | Hough, Randall D | | | 2019 | USA | 1.00 | 1 | 0.61 | 25 | 15.25 | | | West, Vanessa A | | | 2073 | USA | 0.00 | 1 | -0.32 | 25 | -8.00 | |
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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