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Individual Calculations September 2022 |
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| Guo, Ella Total change: -24.00 | |   |
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| July 2022 BayAreaChess 2-Day Championship Major | Milpitas, CA | USA | 2022-07-30 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1726 | 1335 | 0.00 | 3 | -0.41 | 40 | -16.40 | |
|  Qin, Vincent | | | 1887 | USA | 0.00 | 1 | -0.03 | 40 | -1.20 | |  Zhou, Ivan | | | 1454 | USA | 0.00 | 1 | -0.34 | 40 | -13.60 | | | Guo, Ethan | | | 1837 | USA | 0.00 | 1 | -0.04 | 40 | -1.60 | |
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) | | | | 12th annual Central California Open Under 2100 | Fresno CA | USA | 2022-08-19 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1438 | 1581 | 0.50 | 1 | -0.19 | 40 | -7.60 | |
| | Fan, Shengjie | | | 1438 | USA | 0.50 | 1 | -0.19 | 40 | -7.60 | |
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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