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Individual Calculations February 2023 |
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| Ludlum, John C Total change: 0.00 | |   |
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| 14th annual Golden State Open - U2100 Section | Concord, CA | USA | 2023-01-13 |
| Rc | Ro | w | n | change | Rp | K | K*chg | Game |
| 1594 | 0 | 4.50 | 7 | 0.00 | 1634 | | 0.00 | |
|  Weideman, Thomas | | | 1829 | USA | 1.00 | 1 | 0.00 | | 0.00 | |  Koon, Kingsley | | | 1728 | USA | 0.50 | 1 | 0.00 | | 0.00 | | | Wu, Charles W | | | 1621 | CAN | 0.50 | 1 | 0.00 | | 0.00 | | | Overton, Owen | | | 1472 | USA | 0.50 | 1 | 0.00 | | 0.00 | | | Selvam, Swagatha | | | 1220 | USA | 1.00 | 1 | 0.00 | | 0.00 | | | Clemens, Kristian | | | 1746 | USA | 0.00 | 1 | 0.00 | | 0.00 | | | Zhou, Ivan | | | 1540 | USA | 1.00 | 1 | 0.00 | | 0.00 | |
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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