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Individual Calculations August 2021 |
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| He, Samuel Total change: 36.40 | |   |
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| 49th Annual World Open - Under 2000 | Philadelphia, Pennsylvania | USA | 2021-07-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1636 | 1536 | 2.00 | 3 | 0.91 | 40 | 36.40 | |
|  Heggli-Nonay, Oliver Alexander | | | 1618 | USA | 1.00 | 1 | 0.61 | 40 | 24.40 | | | Feng, Andrew T | | | 1617 | USA | 0.00 | 1 | -0.39 | 40 | -15.60 | | | Malysheva, Valeria | | | 1674 | RUS | 1.00 | 1 | 0.69 | 40 | 27.60 | |
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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