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Individual Calculations August 2021 |
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| Georgieva, Yoana Total change: 10.80 | |   |
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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 |
| 1243 | 1055 | 2.50 | 8 | 0.20 | 40 | 8.00 | |
|  Ivanov, Ljubomir | | | 1455 * | BUL | 0.00 | 1 | -0.08 | 40 | -3.20 | |  Merdzhanov, Vladko | | | 1455 * | BUL | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Krasteva, Yoana | | | 1204 | BUL | 0.50 | 1 | 0.20 | 40 | 8.00 | | | Petkova, Tsvetelina | | | 1057 | BUL | 1.00 | 1 | 0.50 | 40 | 20.00 | | | Grigorova, Asya | | | 1372 | BUL | 0.00 | 1 | -0.13 | 40 | -5.20 | | | Vasilev, Maykal | | | 1016 | BUL | 0.00 | 1 | -0.55 | 40 | -22.00 | | | Valentinov, Aleksandar | | | 1076 | BUL | 0.00 | 1 | -0.47 | 40 | -18.80 | | | Georgiev, Ivan Y | | | 1311 | BUL | 1.00 | 1 | 0.81 | 40 | 32.40 | | | * 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) | | | | Bulgarian Individual Chess Championship Girls 12-2021 | Asenovgrad | BUL | 2021-07-17 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1283 | 1055 | 0.50 | 2 | 0.07 | 40 | 2.80 | |
| | Nenova, Andzhelika | | | 1347 | BUL | 0.50 | 1 | 0.35 | 40 | 14.00 | | | Mateeva, Yana | | | 1218 | BUL | 0.00 | 1 | -0.28 | 40 | -11.20 | |
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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