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Individual Calculations July 2021 |
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| Tu, Robin Total change: 1.20 | |   |
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| 30th Annual Chicago Open - Under 2100 | Wheeling, Illinois | USA | 2021-05-28 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1659 | 1618 | 2.00 | 3 | 0.67 | 40 | 26.80 | |
|  Mehrotra, Ekansh | | | 1661 | USA | 1.00 | 1 | 0.56 | 40 | 22.40 | | | Ren, Jesse | | | 1597 | USA | 1.00 | 1 | 0.47 | 40 | 18.80 | |  Wang, Ryan R | | | 1720 | USA | 0.00 | 1 | -0.36 | 40 | -14.40 | |
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) | | | | 2021 National Open - Under 2100 | Las Vegas, Nevada | USA | 2021-06-17 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1584 | 1618 | 1.00 | 3 | -0.64 | 40 | -25.60 | |
| | Talghader, John Aidan | | | 1806 | USA | 0.00 | 1 | -0.26 | 40 | -10.40 | | | Qin, Vincent | | | 1556 | USA | 0.00 | 1 | -0.59 | 40 | -23.60 | | | Arutla, Siddharth | | | 1391 | USA | 1.00 | 1 | 0.21 | 40 | 8.40 | |
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) | | |
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