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Individual Calculations January 2009 |
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| Choba, Yulia Total change: 13.20 | |   |
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| Ukraine Girls Under 20 Chess Championship (semifinal) | Lviv | UKR | 2008-12-02 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2021 | 1868 | 3.00 | 7 | 0.88 | 15 | 13.20 | |
|  Tsirulnik, Maritsa | | | 2090 | UKR | 1.00 | 1 | 0.78 | 15 | 11.70 | |  Goroshkova, Liudmila | | | 2001 | UKR | 0.50 | 1 | 0.18 | 15 | 2.70 | | | Petrova, Irina | | wf | 1992 | UKR | 0.50 | 1 | 0.17 | 15 | 2.55 | | | Orlyanskaya, Darya | | wf | 2076 | UKR | 0.50 | 1 | 0.27 | 15 | 4.05 | | | Mamedova, Leila | | | 1991 | UKR | 0.00 | 1 | -0.33 | 15 | -4.95 | | | Kalinina, Olga | | wm | 2149 | UKR | 0.00 | 1 | -0.16 | 15 | -2.40 | | | Kol`ba, Anastasiya | | | 1845 | UKR | 0.50 | 1 | -0.03 | 15 | -0.45 | |
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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