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Individual Calculations January 2022 |
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| Yan, Nathan Total change: 149.60 | |   |
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| 56th American Open - Under 2200 | Orange, California | USA | 2021-11-25 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1916 | 1588 | 3.00 | 3 | 2.60 | 40 | 104.00 | |
|  Vu, Leonard | | | 1814 | USA | 1.00 | 1 | 0.79 | 40 | 31.60 | | | Wen, Tommy | | | 1945 | USA | 1.00 | 1 | 0.89 | 40 | 35.60 | | | Ruiz Jr, Alejandro | | | 1988 * | USA | 1.00 | 1 | 0.92 | 40 | 36.80 | | | * 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) | | | | 2021 IM John Donaldson Championship - 2000 Plus | San Francisco, California | USA | 2021-12-18 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1812 | 1620 | 2.50 | 5 | 1.14 | 40 | 45.60 | |
|  Deng, Henry | | | 1834 | USA | 0.00 | 1 | -0.23 | 40 | -9.20 | | | Guo, Ethan | | | 1673 | USA | 0.50 | 1 | 0.07 | 40 | 2.80 | | | Sloan, Sam | | | 1702 | USA | 1.00 | 1 | 0.61 | 40 | 24.40 | | | Seitzer, Phillip | | | 2020 * | USA | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Fong, Nathan | | | 1833 | USA | 1.00 | 1 | 0.77 | 40 | 30.80 | | | * 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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