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Individual Calculations January 2023 |
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| Chang, Jerry Total change: -70.00 | |   |
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| 57th American Open - Under 2200 | Orange, CA | USA | 2022-11-24 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1497 | 1742 | 3.00 | 6 | -1.75 | 40 | -70.00 | |
|  Liu, Angela | | | 1643 | USA | 0.50 | 1 | -0.14 | 40 | -5.60 | |  Gasparyan, Seryozha | | | 1648 | USA | 0.00 | 1 | -0.63 | 40 | -25.20 | | | Jin, Austin | | | 1472 | USA | 0.50 | 1 | -0.33 | 40 | -13.20 | | | Fan, Shengjie | | | 1413 | USA | 1.00 | 1 | 0.12 | 40 | 4.80 | | | Xiao, Marina | | | 1426 | USA | 0.50 | 1 | -0.37 | 40 | -14.80 | | | Danduprolu, Ridhi Varma | | | 1381 | USA | 0.50 | 1 | -0.40 | 40 | -16.00 | |
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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