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Individual Calculations October 2021 |
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| Kayan, Veli Total change: 28.80 | |   |
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| Primorsko Open A 2021 | Primorsko | BUL | 2021-09-13 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1960 | 1929 | 4.00 | 9 | -0.05 | 20 | -1.00 | |
|  Yordanov, Lachezar | f | | 2296 | BUL | 0.00 | 1 | -0.10 | 20 | -2.00 | |  Petkova, Irina | | | 1629 | BUL | 1.00 | 1 | 0.15 | 20 | 3.00 | | | Shoshin, Kirill | | | 2149 | RUS | 0.00 | 1 | -0.22 | 20 | -4.40 | | | Stoyanov, Yordan | | | 1529 * | BUL | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Karadzhov, Ivan | | | 2125 | BUL | 0.00 | 1 | -0.25 | 20 | -5.00 | | | Trendafilov, Simeon | | | 1578 | BUL | 1.00 | 1 | 0.11 | 20 | 2.20 | | | Badev, Kiril | f | | 2142 | BUL | 1.00 | 1 | 0.77 | 20 | 15.40 | | | Ilchov, Rosen | | | 2215 | BUL | 0.00 | 1 | -0.16 | 20 | -3.20 | | | Mashchenko, Tamila | | | 1979 | UKR | 0.00 | 1 | -0.43 | 20 | -8.60 | | | * 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 B 2021 | Primorsko | BUL | 2021-09-14 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2027 | 1929 | 4.00 | 7 | 1.49 | 20 | 29.80 | |
| | Foolen, Adrianus Petrus | | | 1529 * | BUL | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Vardakas, Grigorios | | | 2140 | GRE | 1.00 | 1 | 0.77 | 20 | 15.40 | | | Makaraci, Tunahan | | | 2079 | TUR | 0.50 | 1 | 0.20 | 20 | 4.00 | | | Borzov, Dmitri | | | 2098 | UKR | 1.00 | 1 | 0.72 | 20 | 14.40 | | | Krastev, Goran | | | 2138 | BUL | 0.50 | 1 | 0.27 | 20 | 5.40 | | | Angelov, Zvetomir | | | 2066 | BUL | 0.00 | 1 | -0.32 | 20 | -6.40 | | | Badev, Kiril | f | | 2142 | BUL | 0.00 | 1 | -0.23 | 20 | -4.60 | | | * 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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