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Individual Calculations July 2021 |
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| Petkov, Emil Total change: -0.60 | |   |
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| Ropotamo Cup 2021 | Primorsko | BUL | 2021-06-06 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1932 | 2101 | 5.50 | 8 | -0.03 | 20 | -0.60 | |
|  Hristova, Ivelina | | | 1701 * | BUL | 1.00 | 1 | 0.08 | 20 | 1.60 | |  Parvanov, Mitko | | | 1807 | BUL | 1.00 | 1 | 0.15 | 20 | 3.00 | | | Yordanov, Nikolay Plamenov | f | | 2242 | BUL | 0.50 | 1 | 0.19 | 20 | 3.80 | | | Kan, Efim | | | 1913 | BUL | 0.50 | 1 | -0.24 | 20 | -4.80 | | | Mladenov, Emil | | | 2042 | BUL | 0.00 | 1 | -0.58 | 20 | -11.60 | | | Kononenko, Vladimir | | | 1745 | BUL | 1.00 | 1 | 0.11 | 20 | 2.20 | | | Parvanova, Desislava | | | 1868 | BUL | 1.00 | 1 | 0.21 | 20 | 4.20 | | | Wahlund, Max | c | | 2137 | SWE | 0.50 | 1 | 0.05 | 20 | 1.00 | | | * 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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