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Individual Calculations February 2023 |
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| Christiansen, Natasha C Total change: -11.40 | |   |
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| 11th annual Boston Chess Congress - U2100 Section | Boston MA | USA | 2023-01-06 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1827 | 1601 | 0.00 | 1 | -0.21 | 20 | -4.20 | |
|  Boucher, Logan | | | 1827 | USA | 0.00 | 1 | -0.21 | 20 | -4.20 | |
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) | | | | 55th annual Liberty Bell Open - U2100 | Philadelphia, PA | USA | 2023-01-13 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1496 | 1601 | 1.50 | 3 | -0.36 | 20 | -7.20 | |
|  Steincamp, Isaac Kaito | | | 1881 | USA | 0.00 | 1 | -0.16 | 20 | -3.20 | | | Kashyap, Mahati B | | | 1326 | USA | 0.50 | 1 | -0.33 | 20 | -6.60 | | | Li, Audrey Keyan | | | 1282 | USA | 1.00 | 1 | 0.13 | 20 | 2.60 | |
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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