Rapid:
Individual Calculations July 2021 |
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Petkova, Tsvetelina Total change: 27.80 | | |
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There are such kids Youth Chess Tournament | Plovdiv | BUL | 2021-06-13 |
Rc | Ro | w | n | change | K | K*chg | Game |
1425 | 1054 | 2.00 | 4 | 1.39 | 20 | 27.80 | |
| Kolev, Lachezar | | | 1769 | BUL | 0.00 | 1 | -0.01 | 20 | -0.20 | | Ivanov, Stefan V | | | 1442 | BUL | 1.00 | 1 | 0.91 | 20 | 18.20 | | Dichev, Simeon | | | 1241 | BUL | 0.00 | 1 | -0.26 | 20 | -5.20 | | Grigorov, Petar | | | 1246 | BUL | 1.00 | 1 | 0.75 | 20 | 15.00 | | 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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