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Individual Calculations February 2019 |
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| Kim, Isaiah Total change: 7.60 | |   |
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| 2019 Berkeley Open | Berkeley, California | USA | 2019-01-11 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2107 | 1962 | 1.50 | 4 | 0.12 | 20 | 2.40 | |
|  Jirasek, Ladia | f | | 2362 * | USA | 0.50 | 1 | 0.42 | 20 | 8.40 | | | Oconnor, Derek | | | 2275 | USA | 0.00 | 1 | -0.14 | 20 | -2.80 | |  Chatterjee, Trina | | | 1748 | USA | 0.50 | 1 | -0.27 | 20 | -5.40 | | | Ravuri, Vinesh | | | 2042 | USA | 0.50 | 1 | 0.11 | 20 | 2.20 | | | * 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) | | | | 10th Annual Golden State Open | Concord, California | USA | 2019-01-18 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1870 | 1962 | 4.50 | 7 | 0.26 | 20 | 5.20 | |
| | Anderson, Michael | | | 1751 | USA | 1.00 | 1 | 0.23 | 20 | 4.60 | | | Morrison, Kyle | | | 2257 | CAN | 0.00 | 1 | -0.15 | 20 | -3.00 | | | Dixit, Arun | | | 1639 | USA | 1.00 | 1 | 0.13 | 20 | 2.60 | | | Wu, Rochelle | | wc | 2154 | USA | 0.00 | 1 | -0.25 | 20 | -5.00 | | | Nayak, Shreyas | | | 1613 | USA | 0.50 | 1 | -0.39 | 20 | -7.80 | | | Wu, Oliver | | | 1716 | TPE | 1.00 | 1 | 0.19 | 20 | 3.80 | | | Lee, Addison | | | 1960 | USA | 1.00 | 1 | 0.50 | 20 | 10.00 | |
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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