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Rapid:
Individual Calculations May 2019 |
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| Petkova, Irina Total change: 27.60 | |   |
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| Bulgarian Individual Chess Championship Girls 12 Rapid | Asenovgrad | BUL | 2019-04-05 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1266 | 1112 | 3.00 | 5 | 1.38 | 20 | 27.60 | |
|  Ivanova, Dilyana | | wc | 1425 | BUL | 0.00 | 1 | -0.14 | 20 | -2.80 | | | Zangarova, Gabriela | | | 1165 | BUL | 1.00 | 1 | 0.57 | 20 | 11.40 | | | Karaivanova, Petya | | | 1476 | BUL | 1.00 | 1 | 0.90 | 20 | 18.00 | |  Mateeva, Yana | | | 1063 | BUL | 0.00 | 1 | -0.57 | 20 | -11.40 | | | Baklova, Mila | | | 1201 | BUL | 1.00 | 1 | 0.62 | 20 | 12.40 | |
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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