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Individual Calculations August 2021 |
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| Karaivanova, Petya Total change: -46.74 | |   |
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| 43rd Open, National individual cup, Tringov Memorial | Plovdiv | BUL | 2021-07-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1734 | 1910 | 5.00 | 9 | -1.29 | 38 | -49.02 | |
|  Vasilev, Maykal | | | 1510 * | BUL | 1.00 | 1 | 0.08 | 38 | 3.04 | |  Danov, Lyubomir | | | 2310 * | BUL | 0.00 | 1 | -0.08 | 38 | -3.04 | | | Petkova, Irina | | | 1595 | BUL | 0.00 | 1 | -0.86 | 38 | -32.68 | | | Grigorova, Asya | | | 1510 * | BUL | 1.00 | 1 | 0.08 | 38 | 3.04 | | | Petrov, Valeriy | | | 1651 | BUL | 1.00 | 1 | 0.18 | 38 | 6.84 | | | Drenchev, Petar | g | | 2310 * | BUL | 0.00 | 1 | -0.08 | 38 | -3.04 | | | Kamenov, Valentin | | | 1678 | BUL | 0.00 | 1 | -0.79 | 38 | -30.02 | | | Trendafilov, Simeon | | | 1520 | BUL | 1.00 | 1 | 0.09 | 38 | 3.42 | | | Hristova, Ivelina | | | 1524 | BUL | 1.00 | 1 | 0.09 | 38 | 3.42 | | | * 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 Individual Chess Championship Girls 14-2021 | Asenovgrad | BUL | 2021-07-17 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1556 | 1910 | 8.00 | 9 | 0.06 | 38 | 2.28 | |
| | Arshinkova, Boryana | | | 1510 * | BUL | 1.00 | 1 | 0.08 | 38 | 3.04 | | | Todorova, Dobrinka | | | 1510 * | BUL | 1.00 | 1 | 0.08 | 38 | 3.04 | | | Kostadinova, Siyana | | | 1510 * | BUL | 1.00 | 1 | 0.08 | 38 | 3.04 | | | Ilieva, Kalina | | | 1510 * | BUL | 1.00 | 1 | 0.08 | 38 | 3.04 | | | Rasheva, Nora | | wc | 1588 | BUL | 1.00 | 1 | 0.13 | 38 | 4.94 | | | Baklova, Mila | | | 1510 * | BUL | 1.00 | 1 | 0.08 | 38 | 3.04 | | | Stancheva, Gergana | | | 1510 * | BUL | 1.00 | 1 | 0.08 | 38 | 3.04 | | | Ivanova, Dilyana | | wc | 1765 | BUL | 0.00 | 1 | -0.69 | 38 | -26.22 | | | Petkova, Irina | | | 1595 | BUL | 1.00 | 1 | 0.14 | 38 | 5.32 | | | * 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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