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Rapid:
Individual Calculations July 2021 |
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| Grigorov, Petar Total change: -38.80 | |   |
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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 |
| 1065 | 1246 | 1.00 | 4 | -1.94 | 20 | -38.80 | |
|  Fezova, Iva | | | 1044 | BUL | 0.00 | 1 | -0.76 | 20 | -15.20 | | | Georgieva, Yoana | | | 1041 | BUL | 1.00 | 1 | 0.24 | 20 | 4.80 | |  Niklenov, Nikola | | | 1122 | BUL | 0.00 | 1 | -0.67 | 20 | -13.40 | | | Petkova, Tsvetelina | | | 1054 | BUL | 0.00 | 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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