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Individual Calculations December 2021 |
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| Kozower, Ethan Total change: 40.40 | |   |
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| 26th Annual Northeast Open - Major | Stamford, Connecticut | USA | 2021-11-05 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1995 | 1740 | 1.50 | 4 | 0.66 | 40 | 26.40 | |
|  Adewumi, Tanitoluwa | | | 2121 | USA | 0.00 | 1 | -0.09 | 40 | -3.60 | | | Raparthi, Ankit | | | 1777 | USA | 0.00 | 1 | -0.45 | 40 | -18.00 | |  Chernin, Oliver | | | 2041 | USA | 1.00 | 1 | 0.85 | 40 | 34.00 | | | Umayan, Vincent | | | 2041 | PHI | 0.50 | 1 | 0.35 | 40 | 14.00 | |
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) | | | | Niagara Falls Open - Under 2100 | Niagara Falls, New York | USA | 2021-11-19 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1673 | 1740 | 1.50 | 2 | 0.35 | 40 | 14.00 | |
| | Wang, Chloe Heather | | | 1482 | USA | 1.00 | 1 | 0.18 | 40 | 7.20 | | | Karatas, Kutay | | | 1864 | TUR | 0.50 | 1 | 0.17 | 40 | 6.80 | |
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) | | |
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