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Individual Calculations October 2021 |
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| Ivanov, Igor Total change: 30.40 | |   |
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| Sunny Beach Open 2021 | Sunny Beach | BUL | 2021-09-03 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1880 | 1791 | 4.50 | 8 | 1.33 | 20 | 26.60 | |
|  Ciolek, Andreas | f | | 2191 * | GER | 0.00 | 1 | -0.08 | 20 | -1.60 | |  Raondi, Yan-Martin | | | 1523 | RUS | 1.00 | 1 | 0.17 | 20 | 3.40 | | | Karadzhov, Ivan | | | 2125 | BUL | 0.00 | 1 | -0.12 | 20 | -2.40 | | | Ivanov, Galin | | | 1391 * | BUL | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Petri, Ben-Luca | | | 1849 | GER | 0.50 | 1 | 0.08 | 20 | 1.60 | | | Bochev, Krasimir | | | 1961 | BUL | 0.50 | 1 | 0.22 | 20 | 4.40 | | | Smolin, Sergey | m | | 2144 | UKR | 1.00 | 1 | 0.89 | 20 | 17.80 | | | Sapocinic, Semion | | | 1855 | MDA | 0.50 | 1 | 0.09 | 20 | 1.80 | | | * 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) | | | | Primorsko Open A 2021 | Primorsko | BUL | 2021-09-13 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1928 | 1791 | 3.00 | 8 | 0.19 | 20 | 3.80 | |
| | Peshev, Sashko | | | 2187 | BUL | 0.50 | 1 | 0.42 | 20 | 8.40 | | | Vardakas, Grigorios | | | 2140 | GRE | 0.00 | 1 | -0.11 | 20 | -2.20 | | | Nahornyi, Ihor | | | 1914 | UKR | 1.00 | 1 | 0.67 | 20 | 13.40 | | | Ilchov, Rosen | | | 2191 * | BUL | 0.00 | 1 | -0.08 | 20 | -1.60 | | | Karaivanova, Petya | | wf | 1917 | BUL | 0.50 | 1 | 0.17 | 20 | 3.40 | | | Toshkov, Angel | | | 1855 | BUL | 0.00 | 1 | -0.41 | 20 | -8.20 | | | Daloglu, Berkay | | | 1587 | TUR | 0.00 | 1 | -0.76 | 20 | -15.20 | | | Petkova, Irina | | | 1629 | BUL | 1.00 | 1 | 0.29 | 20 | 5.80 | | | * 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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