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Individual Calculations February 2023 |
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| Qiu, Laura Total change: 24.80 | |   |
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| 32nd annual North American Open - U2100 | Paradise, Nevada | USA | 2022-12-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1617 | 1519 | 1.00 | 3 | -0.14 | 40 | -5.60 | |
|  Bryan, Bret A | | | 1639 | USA | 0.00 | 1 | -0.34 | 40 | -13.60 | |  Damaraju, Arjun | | | 1774 | USA | 0.00 | 1 | -0.19 | 40 | -7.60 | | | Janapareddy, Seshasri Ananya | | | 1437 | USA | 1.00 | 1 | 0.39 | 40 | 15.60 | |
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) | | | | 14th annual Golden State Open - U2100 Section | Concord, CA | USA | 2023-01-13 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1357 | 1547 | 3.00 | 3 | 0.76 | 40 | 30.40 | |
| | Srinivasan, Sivavishnu | | | 1385 | USA | 1.00 | 1 | 0.29 | 40 | 11.60 | | | Kolli, Hansika | | | 1355 | USA | 1.00 | 1 | 0.25 | 40 | 10.00 | | | Zhang, Michelle | | | 1330 | USA | 1.00 | 1 | 0.22 | 40 | 8.80 | |
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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