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Individual Calculations November 2015 |
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| Kostadinova, Marieta Total change: -33.20 | |   |
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| International children's tournament "Chess in school" | Sofia | BUL | 2015-10-10 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1338 | 1424 | 1.00 | 3 | -0.83 | 40 | -33.20 | |
|  Georgiev, Konstantin | | | 1569 | BUL | 0.00 | 1 | -0.31 | 40 | -12.40 | |  Mihaylov, Petar | | | 1251 | BUL | 0.00 | 1 | -0.73 | 40 | -29.20 | | | Bonchev, Martin | | | 1193 | BUL | 1.00 | 1 | 0.21 | 40 | 8.40 | |
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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