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Individual Calculations October 2021 |
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| Andersen, Gunnar Total change: -18.20 | |   |
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| 2021 Harvey Lerman Florida State Championship | St. Petersburg, Florida | USA | 2021-09-03 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1964 | 2221 | 1.50 | 3 | -0.91 | 20 | -18.20 | |
|  Harrison, Joshua | | | 2022 | USA | 1.00 | 1 | 0.24 | 20 | 4.80 | |  Hamley, Ryan | | | 2050 | USA | 0.00 | 1 | -0.73 | 20 | -14.60 | | | Gao, Marvin | c | | 1821 * | USA | 0.50 | 1 | -0.42 | 20 | -8.40 | | | * 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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