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Individual Calculations April 2023 |
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| Qiu, Laurie Total change: 4.80 | |   |
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| 1000GM 2023 March BonaFIDE Swiss Open | Milpitas, CA | USA | 2023-03-04 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1768 | 1572 | 0.50 | 4 | -0.68 | 40 | -27.20 | |
|  Handigol, Abhishek | | | 1871 | USA | 0.00 | 1 | -0.15 | 40 | -6.00 | |  Pullela, Sricharan | | | 2040 | USA | 0.00 | 1 | -0.05 | 40 | -2.00 | | | Yang, Vian | | | 1560 | USA | 0.00 | 1 | -0.52 | 40 | -20.80 | | | Sun, Ethan | | | 1601 | USA | 0.50 | 1 | 0.04 | 40 | 1.60 | |
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) | | | | 20th Wilkerson Memorial Championship - 2000 and over | San Francisco, CA | USA | 2023-03-25 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1813 | 1572 | 1.00 | 1 | 0.80 | 40 | 32.00 | |
| | Yao, Hanchi | | | 1813 | USA | 1.00 | 1 | 0.80 | 40 | 32.00 | |
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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