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Individual Calculations January 2023 |
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| Heath, Derek Total change: 84.80 | |   |
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| 2022 Washington Class Championships - Class A | Redmond, WA | USA | 2022-11-25 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1703 | 1328 | 2.50 | 4 | 2.12 | 40 | 84.80 | |
|  Davis, Frederick | | | 1728 * | USA | 1.00 | 1 | 0.92 | 40 | 36.80 | |  Wolff, Gil | | | 1728 * | USA | 0.50 | 1 | 0.42 | 40 | 16.80 | | | Cheng, Edward | | | 1692 | USA | 0.00 | 1 | -0.10 | 40 | -4.00 | | | Xu, Owen | | | 1665 | USA | 1.00 | 1 | 0.88 | 40 | 35.20 | | | * Rating difference of more than 400. Please read more at FIDE Handbook |
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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