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Individual Calculations January 2009 |
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| Chumpitaz, Ann Total change: -27.90 | |   |
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| World Youth Chess Championships 2008 - Girls 14 | Vung Tau | VIE | 2008-10-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1807 | 2064 | 3.00 | 6 | -1.86 | 15 | -27.90 | |
|  Neo, Xiuwen Christabel | | | 1717 | SIN | 0.50 | 1 | -0.39 | 15 | -5.85 | |  Dizdarevic, Barbara | | | 1877 | SRB | 0.00 | 1 | -0.74 | 15 | -11.10 | | | Havanecz, Bianka | | | 1714 | HUN | 1.00 | 1 | 0.11 | 15 | 1.65 | | | Fransson, Angelina | | | 1835 | SWE | 0.00 | 1 | -0.79 | 15 | -11.85 | | | Krumova, Ani | | | 1807 | BUL | 1.00 | 1 | 0.18 | 15 | 2.70 | | | Matlin, Anna | | | 1891 | USA | 0.50 | 1 | -0.23 | 15 | -3.45 | |
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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