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Individual Calculations September 2021 |
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| Tsyganova, Margarita Total change: -18.80 | |   |
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| 2021 North American Youth Chess Championships - Girls Under 16 | Chicago, Illinois | USA | 2021-08-17 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1592 | 1412 | 1.50 | 7 | -0.47 | 40 | -18.80 | |
|  Liu, Kelsey | | | 1628 | USA | 0.00 | 1 | -0.22 | 40 | -8.80 | | | De Dios Suarez, Mayra Valentina | | | 1537 | MEX | 0.00 | 1 | -0.33 | 40 | -13.20 | |  Wiley, Elizabeth R | | | 1501 | USA | 0.50 | 1 | 0.12 | 40 | 4.80 | | | Menon, Gauri | | | 1735 | USA | 0.50 | 1 | 0.37 | 40 | 14.80 | | | Ke, Rianne | | wc | 1674 | USA | 0.00 | 1 | -0.18 | 40 | -7.20 | | | Bilodeau-Savaria, Sandy-Rose | | | 1338 | CAN | 0.50 | 1 | -0.10 | 40 | -4.00 | | | Baalla, Nura | | | 1730 | USA | 0.00 | 1 | -0.13 | 40 | -5.20 | |
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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