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Individual Calculations October 2021 |
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| Heidari, Ako Total change: -38.00 | |   |
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| 2021 Howard Donnelly Memorial Championship - 2000 Plus | San Francisco, California | USA | 2021-09-18 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1610 | 1790 | 1.00 | 4 | -1.90 | 20 | -38.00 | |
|  Qureshi, Sadia | | | 1598 | USA | 0.00 | 1 | -0.75 | 20 | -15.00 | |  Liu, Patrick | | | 1567 | USA | 0.00 | 1 | -0.78 | 20 | -15.60 | | | Lesniewski, Lucas | | | 1775 | FRA | 1.00 | 1 | 0.48 | 20 | 9.60 | | | Wang, Jeffery | | | 1499 | USA | 0.00 | 1 | -0.85 | 20 | -17.00 | |
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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