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Individual Calculations November 2021 |
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| Vittal, Sanjana Total change: -20.40 | |   |
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| 25th Annual Eastern Chess Congress - Premier | Princeton, New Jersey | USA | 2021-10-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1954 | 1975 | 2.50 | 4 | 0.45 | 40 | 18.00 | |
|  Gaw, Chloe | | | 1750 | USA | 1.00 | 1 | 0.22 | 40 | 8.80 | |  Tsay, Vincent | f | | 2297 | USA | 0.00 | 1 | -0.13 | 40 | -5.20 | | | Mariappan, Anish M | | | 1575 * | USA | 1.00 | 1 | 0.08 | 40 | 3.20 | | | Rama, Tejas | | | 2195 | USA | 0.50 | 1 | 0.28 | 40 | 11.20 | | | * 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) | | | | 12th Annual Washington Chess Congress | Reston, Virginia | USA | 2021-10-07 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2090 | 1975 | 1.50 | 7 | -0.96 | 40 | -38.40 | |
| | Chasin, Nico Werner | f | | 2240 | USA | 0.00 | 1 | -0.18 | 40 | -7.20 | | | Oberoi, Shelev | | | 2133 | USA | 0.00 | 1 | -0.29 | 40 | -11.60 | | | Adewumi, Tanitoluwa | | | 2064 | USA | 0.00 | 1 | -0.38 | 40 | -15.20 | | | Taylor, Stewart Bradley | | | 1949 | USA | 0.50 | 1 | -0.04 | 40 | -1.60 | | | Senft, Sean | | | 2122 | USA | 1.00 | 1 | 0.70 | 40 | 28.00 | | | Prestia, Paris | | | 2098 | USA | 0.00 | 1 | -0.33 | 40 | -13.20 | | | Deatrick, Alexander | | | 2021 | USA | 0.00 | 1 | -0.44 | 40 | -17.60 | |
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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