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Individual Calculations January 2023 |
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| Xiao, Marina Total change: 8.80 | |   |
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| 57th American Open - Under 2200 | Orange, CA | USA | 2022-11-24 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1733 | 1426 | 0.50 | 2 | 0.22 | 40 | 8.80 | |
|  Zhu, Alexander | | | 1724 | USA | 0.00 | 1 | -0.15 | 40 | -6.00 | | | Chang, Jerry | | | 1742 | USA | 0.50 | 1 | 0.37 | 40 | 14.80 | |
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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