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Individual Calculations January 2022 |
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| Wang, Jacob Total change: 42.40 | |   |
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| 56th American Open - Under 2200 | Orange, California | USA | 2021-11-25 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1512 | 1437 | 2.00 | 2 | 1.20 | 40 | 48.00 | |
|  Zhang, Ellie | | | 1519 | USA | 1.00 | 1 | 0.61 | 40 | 24.40 | |  Tang, Dylan | | | 1504 | USA | 1.00 | 1 | 0.59 | 40 | 23.60 | |
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) | | | | 2021 IM John Donaldson Championship - 2000 Plus | San Francisco, California | USA | 2021-12-18 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1739 | 1437 | 0.50 | 4 | -0.14 | 40 | -5.60 | |
| | Paldhe, Manas | | | 1837 * | USA | 0.50 | 1 | 0.42 | 40 | 16.80 | | | Fong, Nathan | | | 1833 | USA | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Chiang, Jacob | | | 1584 | USA | 0.00 | 1 | -0.30 | 40 | -12.00 | | | Sloan, Sam | | | 1702 | USA | 0.00 | 1 | -0.18 | 40 | -7.20 | | | * 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) | | |
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