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Individual Calculations March 2020 |
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| Jirasek, Ladia Total change: -8.20 | |   |
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| IM John Grefe Marathon 2020 | Berkeley, California | USA | 2020-01-10 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2026 | 2369 | 4.00 | 5 | -0.41 | 20 | -8.20 | |
|  Shrauger, Alex Hay | | | 1969 * | USA | 1.00 | 1 | 0.08 | 20 | 1.60 | |  Winslow, Elliott C | m | | 2076 | USA | 1.00 | 1 | 0.15 | 20 | 3.00 | | | Heredia, Carla | | wg | 2110 | ECU | 0.00 | 1 | -0.82 | 20 | -16.40 | | | Maser, Thomas F | | | 1969 * | USA | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Walder, Michael | | | 2008 | USA | 1.00 | 1 | 0.10 | 20 | 2.00 | | | * 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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