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Individual Calculations December 2018 |
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| Lu, Joshua Total change: 82.40 | |   |
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| November 2018 Berkeley Weekender | Berkeley, California | USA | 2018-11-09 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1873 | 1860 | 1.50 | 3 | 0.05 | 40 | 2.00 | |
|  Cheng, Daniel | | | 1846 | USA | 0.50 | 1 | -0.02 | 40 | -0.80 | |  Yan, Rui Yang | | | 1906 | USA | 0.00 | 1 | -0.44 | 40 | -17.60 | | | Ai, Evan | | | 1868 | USA | 1.00 | 1 | 0.51 | 40 | 20.40 | |
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) | | | | 2018 California Class Warfare Championship | Santa Clara, California | USA | 2018-11-23 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2115 | 1860 | 3.00 | 5 | 2.01 | 40 | 80.40 | |
| | Wang, Henry | | | 2017 | USA | 1.00 | 1 | 0.71 | 40 | 28.40 | | | Kelson, Richard | f | | 2175 | USA | 0.50 | 1 | 0.36 | 40 | 14.40 | | | Ravuri, Vinesh | | | 2050 | USA | 1.00 | 1 | 0.75 | 40 | 30.00 | | | Izoria, Zviad | g | | 2260 * | USA | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Wu, Rochelle | | wc | 2072 | USA | 0.50 | 1 | 0.27 | 40 | 10.80 | | | * 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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