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Individual Calculations February 2023 |
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| Zhang, Joy Total change: 22.80 | |   |
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| 2022-23 Northern Virginia Open - Amateur (U1800) | Dulles, Virginia | USA | 2023-01-06 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1473 | 1424 | 1.00 | 1 | 0.57 | 40 | 22.80 | |
|  Gutierrez, Mario | | | 1473 | USA | 1.00 | 1 | 0.57 | 40 | 22.80 | |
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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