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Individual Calculations September 2021 |
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| Pillai, Adithya Total change: 5.60 | |   |
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| 2021 North American Youth Chess Championships - Open Under 14 | Chicago, Illinois | USA | 2021-08-17 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1817 | 1671 | 1.50 | 6 | -0.41 | 40 | -16.40 | |
|  Xie, Bryan | c | | 1998 | USA | 1.00 | 1 | 0.87 | 40 | 34.80 | |  Wilson, Ronen | | | 1893 | USA | 0.00 | 1 | -0.22 | 40 | -8.80 | | | Jiang, Andrew | | | 1899 | USA | 0.00 | 1 | -0.21 | 40 | -8.40 | | | Ray, Ujan | | | 1357 | USA | 0.50 | 1 | -0.36 | 40 | -14.40 | | | Wen, Tommy | | | 1971 | USA | 0.00 | 1 | -0.15 | 40 | -6.00 | | | Nandhakumar, Vaseegaran | | | 1786 | USA | 0.00 | 1 | -0.34 | 40 | -13.60 | |
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) | | | | 53rd Annual Atlantic Open - Under 2100 | Reston, Virginia | USA | 2021-08-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1692 | 1671 | 1.50 | 2 | 0.55 | 40 | 22.00 | |
| | Iyer, Vedanth | | | 1486 | USA | 0.50 | 1 | -0.24 | 40 | -9.60 | | | Fischer, Robert J | | | 1898 | USA | 1.00 | 1 | 0.79 | 40 | 31.60 | |
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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