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Individual Calculations February 2022 |
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| Katsman, David Total change: -38.40 | |   |
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| 10th Annual Boston Chess Congress - Under 2100 | Boston, Massachusetts | USA | 2022-01-07 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1659 | 1863 | 2.00 | 4 | -0.96 | 40 | -38.40 | |
|  Yin, Benjamin | | | 1463 * | USA | 0.50 | 1 | -0.42 | 40 | -16.80 | | | Christiansen, Natasha | | wc | 1742 | USA | 1.00 | 1 | 0.34 | 40 | 13.60 | |  Gaw, Chloe | | | 1798 | USA | 0.50 | 1 | -0.09 | 40 | -3.60 | | | Goodman, Hayes N | | | 1631 | USA | 0.00 | 1 | -0.79 | 40 | -31.60 | | | * Rating difference of more than 400. Please read more at FIDE Handbook |
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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