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Individual Calculations September 2021 |
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| Sun, Rick Total change: -14.40 | |   |
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| 53rd Annual Atlantic Open - Under 2100 | Reston, Virginia | USA | 2021-08-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1684 | 1632 | 0.50 | 2 | -0.36 | 40 | -14.40 | |
|  Wang, William Jan | | | 1738 | USA | 0.00 | 1 | -0.36 | 40 | -14.40 | |  Balakrishnan, Naveen | | | 1630 | USA | 0.50 | 1 | 0.00 | 40 | 0.00 | |
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) | | |
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