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Rapid:
Individual Calculations January 2024 |
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| Posthuma, Joshua Total change: 24.10 | |   |
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| 2023 Quintessential Quads - A | St. Louis, Missouri | USA | 2023-12-22 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2327 | 2415 | 3.00 | 3 | 1.14 | 10 | 11.40 | |
|  Rosen, Eric | m | | 2363 | USA | 1.00 | 1 | 0.43 | 10 | 4.30 | |  Sukandar, Irine | m | wg | 2343 | INA | 1.00 | 1 | 0.40 | 10 | 4.00 | | | Larson, Matthew | m | | 2275 | USA | 1.00 | 1 | 0.31 | 10 | 3.10 | |
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) | | | | 2023 Saint Louis Club Championship | St. Louis, Missouri | USA | 2023-12-23 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2353 | 2415 | 3.50 | 4 | 1.27 | 10 | 12.70 | |
| | Vadderaju, Sudeep | | | 2015 * | USA | 1.00 | 1 | 0.08 | 10 | 0.80 | | | Larson, Matthew | m | | 2275 | USA | 1.00 | 1 | 0.31 | 10 | 3.10 | | | Yermolinsky, Alex | g | | 2520 | USA | 1.00 | 1 | 0.64 | 10 | 6.40 | | | Bruzon Batista, Lazaro | g | | 2600 | USA | 0.50 | 1 | 0.24 | 10 | 2.40 | | | * 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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