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Individual Calculations May 2018 |
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| Petkova, Irina Total change: -21.20 | |   |
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| Bulgarian chess championship for girls U12 - 2018 | Plovdiv, Bulgaria | BUL | 2018-04-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1275 | 1153 | 2.00 | 7 | -0.53 | 40 | -21.20 | |
|  Ivanova, Dilyana | | wc | 1553 * | FID | 0.00 | 1 | -0.08 | 40 | -3.20 | |  Fezova, Iva | | | 1061 | FID | 1.00 | 1 | 0.37 | 40 | 14.80 | | | Rasheva, Nora | | wc | 1428 | FID | 1.00 | 1 | 0.83 | 40 | 33.20 | | | Grigorova, Asya | | | 1136 | FID | 0.00 | 1 | -0.52 | 40 | -20.80 | | | Strendeva, Viktoria | | | 1339 | FID | 0.00 | 1 | -0.26 | 40 | -10.40 | | | Panteva, Veronika | | | 1086 | FID | 0.00 | 1 | -0.59 | 40 | -23.60 | | | Arshinkova, Boryana | | | 1322 | FID | 0.00 | 1 | -0.28 | 40 | -11.20 | | | * 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) | | |
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