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Individual Calculations July 2021 |
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| Christiansen, Natasha C Total change: 1.20 | |   |
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| 2021 National Open - Under 2300 | Las Vegas, Nevada | USA | 2021-06-17 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1869 | 1763 | 1.50 | 4 | 0.06 | 20 | 1.20 | |
|  Biyiasas, Theodore | | | 1960 | USA | 0.00 | 1 | -0.25 | 20 | -5.00 | |  Quercia, Dylan J | | | 1825 | USA | 0.00 | 1 | -0.41 | 20 | -8.20 | | | Gordon, Stephen Wayne | | | 1815 | USA | 1.00 | 1 | 0.57 | 20 | 11.40 | | | Zeng, Elbert | | | 1874 | USA | 0.50 | 1 | 0.15 | 20 | 3.00 | |
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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