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Individual Calculations February 2017 |
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| Jirasek, Ladia Total change: -22.40 | |   |
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| Berkeley Chess Club Championship | Berkeley, California | USA | 2016-10-28 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2099 | 2171 | 4.00 | 5 | 1.05 | 40 | 42.00 | |
|  O`connor, Derek | | | 2109 | USA | 1.00 | 1 | 0.41 | 40 | 16.40 | |  Poehlmann, Roger M | | | 2226 | USA | 0.00 | 1 | -0.42 | 40 | -16.80 | | | Maser, Thomas F | | | 1918 | USA | 1.00 | 1 | 0.19 | 40 | 7.60 | | | Winslow, Elliott C | m | | 2240 | USA | 1.00 | 1 | 0.60 | 40 | 24.00 | | | Walder, Michael S | | | 2000 | USA | 1.00 | 1 | 0.27 | 40 | 10.80 | |
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) | | | | 8th Annual Golden State Open | Concord, California | USA | 2017-01-13 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2078 | 2279 | 2.00 | 5 | -1.61 | 40 | -64.40 | |
| | Chang, Eliam Huai-Yang | | | 1879 * | USA | 1.00 | 1 | 0.08 | 40 | 3.20 | | | Tarjan, James Edward | g | | 2406 | USA | 0.00 | 1 | -0.33 | 40 | -13.20 | | | Yoo, Christopher Woojin | | | 1879 * | USA | 1.00 | 1 | 0.08 | 40 | 3.20 | | | Andrenko, Iryna | | wm | 2149 | UKR | 0.00 | 1 | -0.68 | 40 | -27.20 | | | Daggupati, Balaji | | | 2078 | USA | 0.00 | 1 | -0.76 | 40 | -30.40 | | | * 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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