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Individual Calculations July 2019 |
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| Guo, Ingrid Total change: -31.20 | |   |
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| 16th Annual Susan Polgar Foundation Girls' Invitational | St. Louis, Missouri | USA | 2019-06-24 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1451 | 1523 | 1.00 | 3 | -0.78 | 40 | -31.20 | |
|  Tang, Zoey | | | 1844 | USA | 0.00 | 1 | -0.13 | 40 | -5.20 | |  Mok, Gillian | | | 1205 | CAN | 0.00 | 1 | -0.87 | 40 | -34.80 | | | Letard, Willow Katrina | | | 1304 | USA | 1.00 | 1 | 0.22 | 40 | 8.80 | |
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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