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Individual Calculations September 2021 |
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| Chen, Megan Total change: 38.20 | |   |
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| 26th Annual Pacific Coast Open - Under 2100 | Van Nuys, California | USA | 2021-07-30 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1767 | 1513 | 2.50 | 6 | 1.30 | 20 | 26.00 | |
|  Vasquez, Marcus | | | 1637 | USA | 1.00 | 1 | 0.67 | 20 | 13.40 | |  Turner, Jesse | | | 1861 | USA | 1.00 | 1 | 0.89 | 20 | 17.80 | | | Spector, Marchand G | | | 1624 | USA | 0.50 | 1 | 0.15 | 20 | 3.00 | | | Estolas, Brendyn | | | 1863 | USA | 0.00 | 1 | -0.11 | 20 | -2.20 | | | Daniels, Noah Montgomery | | | 1809 | USA | 0.00 | 1 | -0.15 | 20 | -3.00 | | | Mathe, Lennart | | | 1806 | USA | 0.00 | 1 | -0.15 | 20 | -3.00 | |
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) | | | | 53rd Annual Atlantic Open - Under 2100 | Reston, Virginia | USA | 2021-08-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1635 | 1513 | 2.00 | 4 | 0.61 | 20 | 12.20 | |
| | Molodtsov, Konstantin | | | 1765 | USA | 1.00 | 1 | 0.81 | 20 | 16.20 | | | Gorelik, Dimitry | | | 1370 | USA | 0.50 | 1 | -0.19 | 20 | -3.80 | | | Carrasco, Christian Nelio | | | 1715 | USA | 0.00 | 1 | -0.24 | 20 | -4.80 | | | Berkley, Darrin K | | | 1688 | USA | 0.50 | 1 | 0.23 | 20 | 4.60 | |
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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