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Individual Calculations January 2019 |
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| Winslow, Elliott Total change: 39.40 | |   |
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| 2018 Berkeley Club Championship | Berkeley, California | USA | 2018-10-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2032 | 2166 | 7.00 | 8 | 1.90 | 20 | 38.00 | |
|  Aung, Grant | | | 1766 * | USA | 1.00 | 1 | 0.08 | 20 | 1.60 | |  Acosta, Anthony | | | 1766 * | USA | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Kim, Isaiah | | | 2044 | USA | 1.00 | 1 | 0.33 | 20 | 6.60 | | | Jirasek, Ladia | f | | 2360 | USA | 0.50 | 1 | 0.25 | 20 | 5.00 | | | Oconnor, Derek | | | 2239 | USA | 0.50 | 1 | 0.10 | 20 | 2.00 | | | Poehlmann, Roger | | | 2177 | USA | 1.00 | 1 | 0.52 | 20 | 10.40 | | | Anderson, Michael | | | 1766 * | USA | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Ivanov, Aleksandr | | | 2135 | USA | 1.00 | 1 | 0.46 | 20 | 9.20 | | | * 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) | | | | Fall 2018 Tuesday Night Marathon | San Francisco, California | USA | 2018-10-23 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1857 | 2166 | 6.00 | 7 | 0.20 | 20 | 4.00 | |
| | Lamstein, Joshua | | | 1766 * | USA | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Perlov, Alexander | | | 1766 * | USA | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Poling, Scott | | | 1795 | USA | 0.00 | 1 | -0.90 | 20 | -18.00 | | | Furukawa, Jon | | | 1766 * | USA | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Anderson, Michael | | | 1766 * | USA | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Mont-Reynaud, Jordy | | | 2241 | USA | 1.00 | 1 | 0.60 | 20 | 12.00 | | | Jain, Shaurya | | | 1900 | USA | 1.00 | 1 | 0.18 | 20 | 3.60 | | | * 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) | | | | GM Igor Ivanov Weekender | Berkeley, California | USA | 2018-12-07 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2021 | 2181 | 2.00 | 3 | -0.13 | 20 | -2.60 | |
| | Wu, Derek Sijing | | | 2023 | USA | 1.00 | 1 | 0.29 | 20 | 5.80 | | | Wu, Rochelle | | wc | 2096 | USA | 0.50 | 1 | -0.12 | 20 | -2.40 | | | Yan, Rui Yang | | | 1944 | USA | 0.50 | 1 | -0.30 | 20 | -6.00 | |
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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