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Individual Calculations March 2020 |
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| Trestor, David J Total change: -15.20 | |   |
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| IM John Grefe Marathon 2020 | Berkeley, California | USA | 2020-01-10 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1687 | 1627 | 1.00 | 3 | -0.38 | 40 | -15.20 | |
|  Heredia, Carla | | wg | 2027 * | ECU | 0.00 | 1 | -0.08 | 40 | -3.20 | |  Lemkin, Ben | | | 1524 | USA | 0.00 | 1 | -0.64 | 40 | -25.60 | | | Soltani, Mohammad | | | 1510 | USA | 1.00 | 1 | 0.34 | 40 | 13.60 | | | * 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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