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Individual Calculations February 2023 |
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| Kostina, Veronika Total change: -27.60 | |   |
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| 2023 Pan-American Intercollegiate Team Championship | Seattle, WA | USA | 2023-01-05 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1765 | 1883 | 0.00 | 2 | -1.20 | 20 | -24.00 | |
|  Zinski, Max | | | 2046 | USA | 0.00 | 1 | -0.28 | 20 | -5.60 | |  Hall, Alexander | | | 1483 * | USA | 0.00 | 1 | -0.92 | 20 | -18.40 | | | * 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) | | | | 2023 Charlotte Open | Charlotte, North Carolina | USA | 2023-01-14 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1965 | 1883 | 1.00 | 3 | -0.18 | 20 | -3.60 | |
| | Reiss, Aiden | | | 2083 | USA | 0.50 | 1 | 0.26 | 20 | 5.20 | | | Biernacki, Mark | | | 1978 | USA | 0.00 | 1 | -0.37 | 20 | -7.40 | | | Wu, Andrew | | | 1835 | USA | 0.50 | 1 | -0.07 | 20 | -1.40 | |
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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