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Individual Calculations October 2017 |
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| Grabcheva, Natalia Total change: 50.40 | |   |
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| Primorsko open 2017 | Primorsko | BUL | 2017-09-17 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1813 | 1633 | 4.00 | 9 | 1.26 | 40 | 50.40 | |
|  Todorov, Ognjan | m | | 2033 * | BUL | 0.00 | 1 | -0.08 | 40 | -3.20 | |  Chuklev, Mihail | | | 2033 * | BUL | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Vasileva, Cveta | | | 1545 | BUL | 1.00 | 1 | 0.38 | 40 | 15.20 | | | Todorov, Kaloyan | | | 1999 | BUL | 0.00 | 1 | -0.10 | 40 | -4.00 | | | Badrakova, Kseniya | | | 1361 | RUS | 1.00 | 1 | 0.17 | 40 | 6.80 | | | Gochev, Mladen | | | 2033 * | BUL | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Ivanov, Ljubomir | | | 1800 | BUL | 1.00 | 1 | 0.72 | 40 | 28.80 | | | Dimitrov, Ivan | | | 1765 | BUL | 0.50 | 1 | 0.18 | 40 | 7.20 | | | Ilkov, Dani | | | 1746 | BUL | 0.50 | 1 | 0.15 | 40 | 6.00 | | | * 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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