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Individual Calculations November 2021 |
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| Chasin, Nico Werne Total change: -11.80 | |   |
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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 |
| 2232 | 2240 | 2.50 | 4 | 0.48 | 20 | 9.60 | |
|  Tay, Brian | | | 1905 | USA | 1.00 | 1 | 0.12 | 20 | 2.40 | |  Markzon, Gregory | f | | 2074 | USA | 1.00 | 1 | 0.28 | 20 | 5.60 | | | Fishbein, Alexander | g | | 2437 | USA | 0.50 | 1 | 0.25 | 20 | 5.00 | | | Tang, Andrew | g | | 2512 | USA | 0.00 | 1 | -0.17 | 20 | -3.40 | |
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 |
| 2133 | 2240 | 4.00 | 8 | -1.07 | 20 | -21.40 | |
| | Vittal, Sanjana | | wf | 1975 | USA | 1.00 | 1 | 0.18 | 20 | 3.60 | | | Ali Marandi, Cemil Can | g | | 2535 | TUR | 0.00 | 1 | -0.15 | 20 | -3.00 | | | Ye, Chen-Chen | | | 1930 | USA | 1.00 | 1 | 0.14 | 20 | 2.80 | | | Liang, Jason | m | | 2414 | USA | 0.00 | 1 | -0.27 | 20 | -5.40 | | | Adewumi, Tanitoluwa | | | 2064 | USA | 0.00 | 1 | -0.73 | 20 | -14.60 | | | Hua, Charles | | | 1976 | USA | 1.00 | 1 | 0.18 | 20 | 3.60 | | | Doraszelski, Alexander | | | 2060 | GER | 0.50 | 1 | -0.24 | 20 | -4.80 | | | Quirke, Jeffrey L | | | 2108 | USA | 0.50 | 1 | -0.18 | 20 | -3.60 | |
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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