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Blitz:
Individual Calculations August 2021 |
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| Petkova, Irina Total change: 69.80 | |   |
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| Bulgarian Individual Chess Championship Girls 14-2021 Blitz | Asenovgrad | BUL | 2021-07-15 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1350 | 1340 | 7.00 | 7 | 3.49 | 20 | 69.80 | |
|  Stancheva, Gergana | | | 1163 | BUL | 1.00 | 1 | 0.27 | 20 | 5.40 | |  Zangarova, Gabriela | | | 1073 | BUL | 1.00 | 1 | 0.18 | 20 | 3.60 | | | Arshinkova, Boryana | | | 1292 | BUL | 1.00 | 1 | 0.43 | 20 | 8.60 | | | Rasheva, Nora | | wc | 1337 | BUL | 1.00 | 1 | 0.50 | 20 | 10.00 | | | Karaivanova, Petya | | wf | 1561 | BUL | 1.00 | 1 | 0.78 | 20 | 15.60 | | | Todorova, Dobrinka | | | 1268 | BUL | 1.00 | 1 | 0.40 | 20 | 8.00 | | | Ivanova, Dilyana | | wc | 1754 | BUL | 1.00 | 1 | 0.93 | 20 | 18.60 | |
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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