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Individual Calculations January 2020 |
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| Heredia, Carla Total change: -7.40 | |   |
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| Berkeley Club Championship 2019 | Berkeley, California | USA | 2019-10-18 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2022 | 2126 | 4.00 | 6 | 0.31 | 20 | 6.20 | |
|  Lemkin, Ben | | | 1726 * | USA | 1.00 | 1 | 0.08 | 20 | 1.60 | |  Dutter, Fredric | | | 1823 | USA | 1.00 | 1 | 0.14 | 20 | 2.80 | | | Lope, Greg | | | 1981 | USA | 1.00 | 1 | 0.31 | 20 | 6.20 | | | Winslow, Elliott C | m | | 2101 | USA | 0.50 | 1 | -0.03 | 20 | -0.60 | | | Jirasek, Ladia | m | | 2366 | USA | 0.00 | 1 | -0.20 | 20 | -4.00 | | | Poehlmann, Roger M | | | 2133 | USA | 0.50 | 1 | 0.01 | 20 | 0.20 | | | * 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) | | | | 55th Annual American Open | Costa Mesa, California | USA | 2019-11-28 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2028 | 2117 | 0.50 | 2 | -0.68 | 20 | -13.60 | |
| | Zhang, Cindy | | | 1800 | USA | 0.00 | 1 | -0.87 | 20 | -17.40 | | | Li, Eric Y | c | | 2255 | USA | 0.50 | 1 | 0.19 | 20 | 3.80 | |
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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