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Rapid:
Individual Calculations May 2017 |
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| Karaivanova, Petya Total change: 19.60 | |   |
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| Bulgarian rapid chess championship for girls U20 - 2017 | Plovdiv | BUL | 2017-04-15 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1575 | 1466 | 2.50 | 4 | 0.98 | 20 | 19.60 | |
|  Gospodinova, Nikoleta | | | 1538 | BUL | 0.00 | 1 | -0.40 | 20 | -8.00 | |  Ivanova, Simoneta | | wf | 1866 * | BUL | 1.00 | 1 | 0.92 | 20 | 18.40 | | | Chobankova, Elena | | | 1304 | BUL | 1.00 | 1 | 0.29 | 20 | 5.80 | | | Ilieva, Nikol | | | 1590 | BUL | 0.50 | 1 | 0.17 | 20 | 3.40 | | | * 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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