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Individual Calculations February 2023 |
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| Koon, Kingsley Total change: 7.60 | |   |
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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 |
| 1693 | 1728 | 0.50 | 1 | -0.05 | 40 | -2.00 | |
|  Papanek, Ella Sharpe | | | 1693 | USA | 0.50 | 1 | -0.05 | 40 | -2.00 | |
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) | | | | 14th annual Golden State Open - U2100 Section | Concord, CA | USA | 2023-01-13 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1605 | 1728 | 3.50 | 5 | 0.24 | 40 | 9.60 | |
|  Paetz, Mark G | | | 1533 | USA | 1.00 | 1 | 0.25 | 40 | 10.00 | | | Zhou, Greg | | | 1510 | USA | 0.00 | 1 | -0.78 | 40 | -31.20 | | | Gurovich, Roman | | | 1780 | USA | 1.00 | 1 | 0.57 | 40 | 22.80 | | | Kulkarni, Neil | | | 1457 | USA | 1.00 | 1 | 0.17 | 40 | 6.80 | | | Clemens, Kristian | | | 1746 | USA | 0.50 | 1 | 0.03 | 40 | 1.20 | |
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) | | |
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