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Individual Calculations October 2021 |
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| Toshkov, Angel Total change: -29.40 | |   |
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| Primorsko Open A 2021 | Primorsko | BUL | 2021-09-13 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1807 | 1855 | 3.50 | 7 | -0.40 | 20 | -8.00 | |
|  Kostov, Galin | | | 2038 | BUL | 0.00 | 1 | -0.26 | 20 | -5.20 | |  Petkova, Irina | | | 1629 | BUL | 0.50 | 1 | -0.29 | 20 | -5.80 | | | Kononenko, Vladimir | | | 1747 | BUL | 0.50 | 1 | -0.15 | 20 | -3.00 | | | Ivanov, Igor | | | 1791 | RUS | 1.00 | 1 | 0.41 | 20 | 8.20 | | | Neshev, Nikola | | | 1994 | BUL | 0.00 | 1 | -0.31 | 20 | -6.20 | | | Ciftci, Zeynep | | | 1874 | TUR | 1.00 | 1 | 0.53 | 20 | 10.60 | | | Trendafilov, Simeon | | | 1578 | BUL | 0.50 | 1 | -0.33 | 20 | -6.60 | |
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) | | | | Primorsko Open B 2021 | Primorsko | BUL | 2021-09-14 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1681 | 1855 | 3.00 | 6 | -1.07 | 20 | -21.40 | |
| | Andreev, Simeon | | | 1455 * | BUL | 0.00 | 1 | -0.92 | 20 | -18.40 | | | Belyakov, Mikhail Nik. | | | 1508 | RUS | 0.50 | 1 | -0.39 | 20 | -7.80 | | | Tutekov, Teodor | | | 1455 * | BUL | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Hristova, Ivelina | | | 1525 | BUL | 1.00 | 1 | 0.12 | 20 | 2.40 | | | Shoshin, Kirill | | | 2149 | RUS | 0.50 | 1 | 0.35 | 20 | 7.00 | | | Neshev, Nikola | | | 1994 | BUL | 0.00 | 1 | -0.31 | 20 | -6.20 | | | * 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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