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Individual Calculations April 2023 |
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| Sun, Kevin Total change: -28.40 | |   |
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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 |
| 1751 | 1728 | 1.50 | 4 | -0.37 | 40 | -14.80 | |
|  Karunakaran, Kapilan | | | 1697 | USA | 1.00 | 1 | 0.46 | 40 | 18.40 | |  Xia, Joshua | | | 1814 | USA | 0.00 | 1 | -0.38 | 40 | -15.20 | | | Yao, Hanchi | | | 1813 | USA | 0.50 | 1 | 0.12 | 40 | 4.80 | | | Jin, Austin | | | 1678 | USA | 0.00 | 1 | -0.57 | 40 | -22.80 | |
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) | | | | 20th Wilkerson Memorial Championship - 2000 and over | San Francisco, CA | USA | 2023-03-25 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1639 | 1728 | 1.50 | 3 | -0.34 | 40 | -13.60 | |
| | Wu, Wentao | | | 1827 | USA | 0.50 | 1 | 0.14 | 40 | 5.60 | | | Gui, Suyuan | | | 1545 | USA | 0.00 | 1 | -0.74 | 40 | -29.60 | | | Zhou, Greg | | | 1546 | USA | 1.00 | 1 | 0.26 | 40 | 10.40 | |
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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