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Individual Calculations October 2021 |
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| Zhou, Chelsea Total change: -60.40 | |   |
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| BayAreaChess 45th People's Tournament - X | Santa Clara, California | USA | 2021-09-04 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1597 | 1687 | 1.50 | 4 | -0.97 | 40 | -38.80 | |
|  Dai, Xuli | | | 1439 | USA | 0.00 | 1 | -0.81 | 40 | -32.40 | | | Ghosh, Prarthan | | | 1665 | USA | 0.50 | 1 | -0.03 | 40 | -1.20 | | | Nishio, Alexander | | | 1607 | USA | 0.50 | 1 | -0.11 | 40 | -4.40 | |  Bansal, Advay | | | 1675 | USA | 0.50 | 1 | -0.02 | 40 | -0.80 | |
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) | | | | 2021 SJCC Fall Championship | Milpitas, California | USA | 2021-09-25 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1774 | 1687 | 1.50 | 5 | -0.54 | 40 | -21.60 | |
| | Wang, Michael | | | 1884 | USA | 0.00 | 1 | -0.25 | 40 | -10.00 | | | Yan, Ruiyang | | wc | 2087 * | USA | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Alazawi, Samir | | | 1772 | USA | 1.00 | 1 | 0.62 | 40 | 24.80 | | | Achuthan, Aryan | | | 1527 | USA | 0.00 | 1 | -0.71 | 40 | -28.40 | | | Qureshi, Sadia | | | 1598 | USA | 0.50 | 1 | -0.12 | 40 | -4.80 | | | * 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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