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Rapid:
Individual Calculations July 2021 |
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| Kolev, Lachezar Total change: -19.80 | |   |
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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 |
| 1328 | 1769 | 6.00 | 7 | -0.36 | 20 | -7.20 | |
|  Petkova, Tsvetelina | | | 1054 | BUL | 1.00 | 1 | 0.01 | 20 | 0.20 | |  Kanchev, Martin | | | 1188 | BUL | 1.00 | 1 | 0.02 | 20 | 0.40 | | | Sedmakov, Georgi | | | 1313 | BUL | 1.00 | 1 | 0.06 | 20 | 1.20 | | | Angelov, Stilian | | | 1377 | BUL | 0.00 | 1 | -0.92 | 20 | -18.40 | | | Karaivanova, Petya | | wf | 1466 | BUL | 1.00 | 1 | 0.14 | 20 | 2.80 | | | Andreev, Simeon | | | 1298 | BUL | 1.00 | 1 | 0.05 | 20 | 1.00 | | | Naymanova, Patricie | | | 1601 | BUL | 1.00 | 1 | 0.28 | 20 | 5.60 | |
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 Men Rapid 2021 | Kiten | BUL | 2021-06-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1967 | 1769 | 0.50 | 3 | -0.63 | 20 | -12.60 | |
| | Nikolov, Yosif | | | 1512 | BUL | 0.00 | 1 | -0.82 | 20 | -16.40 | | | Savov, Ilko Ananiev | | | 1919 | BUL | 0.50 | 1 | 0.20 | 20 | 4.00 | | | Vasilev, Milen | g | | 2471 | BUL | 0.00 | 1 | -0.01 | 20 | -0.20 | |
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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