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Individual Calculations October 2021 |
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| Kosturkov, Hristo Total change: 7.20 | |   |
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| Primorsko Open B 2021 | Primorsko | BUL | 2021-09-14 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1675 | 1573 | 3.00 | 7 | 0.36 | 20 | 7.20 | |
|  Kostov, Galin | | | 1973 * | BUL | 0.00 | 1 | -0.08 | 20 | -1.60 | |  Neshev, Nikola | | | 1973 * | BUL | 0.00 | 1 | -0.08 | 20 | -1.60 | | | Tarko, Mykhailo | | | 1283 | UKR | 0.50 | 1 | -0.34 | 20 | -6.80 | | | Panayotov, Mihail | | | 1173 * | BUL | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Stoimenov, Plamen | | | 1781 | BUL | 0.50 | 1 | 0.27 | 20 | 5.40 | | | Bratimirova, Dimitrinka | | | 1775 | BUL | 0.50 | 1 | 0.26 | 20 | 5.20 | | | Novichenko, Oleksandr | | | 1764 | UKR | 0.50 | 1 | 0.25 | 20 | 5.00 | | | * 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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