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Individual Calculations December 2018 |
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| Yan, Rui Yang Total change: 37.60 | |   |
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| November 2018 Berkeley Weekender | Berkeley, California | USA | 2018-11-09 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1961 | 1906 | 2.50 | 4 | 0.77 | 40 | 30.80 | |
|  Lee, Megan | | wm | 2156 | USA | 0.00 | 1 | -0.19 | 40 | -7.60 | |  Lu, Joshua | | | 1860 | USA | 1.00 | 1 | 0.44 | 40 | 17.60 | | | Liu, Kimberly | | wf | 1851 | USA | 1.00 | 1 | 0.42 | 40 | 16.80 | | | Boldi, Ethan | | | 1975 | USA | 0.50 | 1 | 0.10 | 40 | 4.00 | |
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) | | | | 54th Annual American Open | Costa Mesa, California | USA | 2018-11-22 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2104 | 1906 | 1.50 | 5 | 0.17 | 40 | 6.80 | |
| | Asaria, Danial | f | | 2293 | USA | 0.00 | 1 | -0.09 | 40 | -3.60 | | | Kudryavtsev, Vadim | | | 2097 | RUS | 0.00 | 1 | -0.25 | 40 | -10.00 | | | Narayanan, Samrug | c | | 2185 | USA | 0.00 | 1 | -0.16 | 40 | -6.40 | | | Soong, Danny | | | 1855 | USA | 1.00 | 1 | 0.43 | 40 | 17.20 | | | Somalwar, Anaiy | | | 2088 | USA | 0.50 | 1 | 0.24 | 40 | 9.60 | |
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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