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Individual Calculations June 2013 |
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| Purvis, Anna Total change: -6.30 | |   |
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| UK Chess Academy Easter 2013 Congress U2000 | London | ENG | 2013-03-29 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1608 | 1507 | 1.00 | 2 | 0.16 | 15 | 2.40 | |
|  Hjort, Helge | | | 1907 * | DEN | 0.00 | 1 | -0.08 | 15 | -1.20 | | | Davidson, Laura | | | 1308 | ENG | 1.00 | 1 | 0.24 | 15 | 3.60 | | | * Rating difference of more than 400. Please read more at FIDE Handbook |
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) | | | | WORLD SCHOOL CHESS CHAMPIONSHIPS 2013 - GIRLS U13 | Porto Carras - Halkidiki | GRE | 2013-05-07 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1724 | 1524 | 0.50 | 4 | -0.58 | 15 | -8.70 | |
| | Nominerdene, Davaademberel | | wf | 1860 | MGL | 0.00 | 1 | -0.12 | 15 | -1.80 | |  Argote Heredia, Valentina | | | 1836 | COL | 0.00 | 1 | -0.14 | 15 | -2.10 | | | Oncu, Tugce | | | 1419 | TUR | 0.00 | 1 | -0.64 | 15 | -9.60 | | | Dorofeeva, Nyurguiaana | | | 1782 | RUS | 0.50 | 1 | 0.32 | 15 | 4.80 | |
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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