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Individual Calculations October 2020 |
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| Kosturkov, Hristo Total change: -15.20 | |   |
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| Primorsko open 2019 B tournament | Primorsko | BUL | 2020-09-15 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1550 | 1588 | 3.00 | 7 | -0.76 | 20 | -15.20 | |
|  Valev, Valentin | | | 1988 * | BUL | 0.00 | 1 | -0.08 | 20 | -1.60 | |  Yordanov, Rosen | | | 1810 | BUL | 0.50 | 1 | 0.28 | 20 | 5.60 | | | Kostov, Troyan | | | 1188 * | BUL | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Bochev, Krasimir | | | 1973 | BUL | 0.00 | 1 | -0.09 | 20 | -1.80 | | | Trendafilov, Simeon | | | 1188 * | BUL | 0.00 | 1 | -0.92 | 20 | -18.40 | | | Yazici, Zumral | | | 1196 | TUR | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Polyanek, Vasyl | | | 1510 | UKR | 0.50 | 1 | -0.11 | 20 | -2.20 | | | * 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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