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Individual Calculations July 2021 |
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| Taseva, Nia Total change: -0.80 | |   |
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| 19th Chess Weekend Tournament | Sofia | BUL | 2021-05-29 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1534 | 1330 | 1.50 | 5 | 0.10 | 40 | 4.00 | |
|  Krastev, Kalin | | | 1730 * | BUL | 0.00 | 1 | -0.08 | 40 | -3.20 | |  Taushanov, Stojan | | | 1664 | BUL | 0.00 | 1 | -0.12 | 40 | -4.80 | | | Zahariev, Velislav | | | 1076 | BUL | 0.00 | 1 | -0.81 | 40 | -32.40 | | | Ivanov, Oleg | | | 1470 | BUL | 1.00 | 1 | 0.69 | 40 | 27.60 | | | Patev, Petko | | | 1730 * | BUL | 0.50 | 1 | 0.42 | 40 | 16.80 | | | * 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) | | | | Bulgarian Team Chess Championship Women 2021 | Kiten | BUL | 2021-06-21 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1632 | 1330 | 0.50 | 4 | -0.12 | 40 | -4.80 | |
| | Hristova, Ivelina | | | 1538 | BUL | 0.00 | 1 | -0.23 | 40 | -9.20 | | | Chitakova, Galya | | | 1698 | BUL | 0.00 | 1 | -0.10 | 40 | -4.00 | | | Ilieva, Ralitsa | | | 1730 * | BUL | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Petkova, Irina | | | 1561 | BUL | 0.50 | 1 | 0.29 | 40 | 11.60 | | | * 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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