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Individual Calculations September 2013 |
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| Xiang, Evan Total change: -46.50 | |   |
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| 2013 Susan Polgar Girls Invitational | St Louis, Missouri | USA | 2013-07-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1842 | 1837 | 0.50 | 3 | -0.99 | 30 | -29.70 | |
|  Avirneni, Thanu | | | 1818 | USA | 0.00 | 1 | -0.53 | 30 | -15.90 | | | Davis, Katya | | | 1668 | USA | 0.50 | 1 | -0.22 | 30 | -6.60 | |  Botez, Alexandra | | wc | 2040 | CAN | 0.00 | 1 | -0.24 | 30 | -7.20 | |
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) | | | | 2013 NAYCC U14G | Toronto | CAN | 2013-08-14 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1809 | 1837 | 1.00 | 3 | -0.56 | 30 | -16.80 | |
| | Pobereshnikova, Agniya | | | 1547 | CAN | 0.50 | 1 | -0.34 | 30 | -10.20 | | | Ding, Kimberly | | wf | 1946 | USA | 0.00 | 1 | -0.35 | 30 | -10.50 | | | Zhou, Qiyu | | | 1935 | CAN | 0.50 | 1 | 0.13 | 30 | 3.90 | |
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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