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Individual Calculations October 2021 |
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| Christiansen, Natasha Total change: -1.00 | |   |
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| 80th New England Open | Westford, Massachusetts | USA | 2021-09-04 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1915 | 1746 | 0.50 | 2 | -0.05 | 20 | -1.00 | |
|  Leano, Bryan B | | | 1935 | USA | 0.00 | 1 | -0.25 | 20 | -5.00 | |  Katsman, David | | | 1895 | USA | 0.50 | 1 | 0.20 | 20 | 4.00 | |
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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