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Individual Calculations January 2009 |
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| Kats, Alena Total change: 1.15 | |   |
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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 |
| 1964 | 1981 | 4.50 | 9 | -0.20 | 25 | -5.00 | |
|  Mohana, Priya J | | | 2073 | IND | 0.50 | 1 | 0.13 | 25 | 3.25 | | | Jalabadze, Natia | | | 2023 | GEO | 0.00 | 1 | -0.44 | 25 | -11.00 | |  Ambanwela, Lumbini | | | 1791 | SRI | 1.00 | 1 | 0.25 | 25 | 6.25 | | | Langnerova, Karolina | | | 1831 | CZE | 1.00 | 1 | 0.30 | 25 | 7.50 | | | Arabidze, Meri | | wf | 2181 | GEO | 0.00 | 1 | -0.24 | 25 | -6.00 | | | Sop, Selen | | | 1915 | TUR | 0.50 | 1 | -0.09 | 25 | -2.25 | | | Bakri, Alia Anin Azwa | | | 1908 | MAS | 0.50 | 1 | -0.10 | 25 | -2.50 | | | Anjana, Krishna S | | | 1890 | IND | 1.00 | 1 | 0.38 | 25 | 9.50 | | | Baciu, Diana | | | 2062 | MDA | 0.00 | 1 | -0.39 | 25 | -9.75 | |
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) | | | NOTE: K factor changed | | What-A-Turkey Open | New York, NY | USA | 2008-11-22 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2226 | 1981 | 1.00 | 3 | 0.41 | 15 | 6.15 | |
| | Privman, Boris | f | | 2185 | USA | 0.00 | 1 | -0.24 | 15 | -3.60 | | | Margulis, Yevgeni | | | 2274 | USA | 1.00 | 1 | 0.85 | 15 | 12.75 | | | Treger, Yefim | | | 2218 | USA | 0.00 | 1 | -0.20 | 15 | -3.00 | |
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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