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Individual Calculations September 2010 |
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| Xiong, Sonja Total change: -26.00 | |   |
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| 2010 CAN Youth Ch Girls | Windsor, Ontario | CAN | 2010-07-06 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1974 | 1890 | 0.00 | 1 | -0.38 | 25 | -9.50 | |
|  Botez, Alexandra | | wc | 1974 | CAN | 0.00 | 1 | -0.38 | 25 | -9.50 | |
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) | | | | 2010 NA Youth Ch U18 Girls | Montreal, Quebec | CAN | 2010-08-16 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2013 | 1890 | 0.00 | 2 | -0.66 | 25 | -16.50 | |
| | Dai, Yang | | | 2013 | USA | 0.00 | 1 | -0.33 | 25 | -8.25 | |  Dai, Yang | | | 2013 | USA | 0.00 | 1 | -0.33 | 25 | -8.25 | |
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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