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Individual Calculations September 2021 |
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| Williams, Justus Total change: 18.80 | |   |
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| 53rd Annual Atlantic Open - Major | Reston, Virginia | USA | 2021-08-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2247 | 2366 | 4.00 | 5 | 0.94 | 20 | 18.80 | |
|  Wilson, Ronen | | | 1966 * | USA | 1.00 | 1 | 0.08 | 20 | 1.60 | |  Shundi, Matias | | | 1966 * | USA | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Bartell, Thomas | m | | 2354 | USA | 1.00 | 1 | 0.48 | 20 | 9.60 | | | Repka, Christopher | g | | 2496 | SVK | 0.00 | 1 | -0.32 | 20 | -6.40 | | | Bregadze, Levan | m | | 2454 | GEO | 1.00 | 1 | 0.62 | 20 | 12.40 | | | * 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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