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Individual Calculations October 2021 |
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| Badev, Kiril 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 |
| 2067 | 2142 | 2.50 | 7 | -1.54 | 20 | -30.80 | |
|  Petkova, Irina | | | 1742 * | BUL | 1.00 | 1 | 0.08 | 20 | 1.60 | |  Yordanov, Lachezar | f | | 2296 | BUL | 0.50 | 1 | 0.21 | 20 | 4.20 | | | Georgiev, Krum | g | | 2315 | BUL | 0.50 | 1 | 0.23 | 20 | 4.60 | | | Hristov, Petar | | | 1949 | BUL | 0.50 | 1 | -0.25 | 20 | -5.00 | | | Maerevoet, Sim | f | | 2366 | BEL | 0.00 | 1 | -0.22 | 20 | -4.40 | | | Kayan, Veli | | | 1929 | TUR | 0.00 | 1 | -0.77 | 20 | -15.40 | | | Kostov, Kiril | | | 1875 | BUL | 0.00 | 1 | -0.82 | 20 | -16.40 | | | * 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 |
| 1946 | 2142 | 4.50 | 6 | 0.10 | 20 | 2.00 | |
| | Georgiev, Dimitar | | | 1742 * | BUL | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Rusev, Dobril | | | 1846 | BUL | 1.00 | 1 | 0.15 | 20 | 3.00 | | | Velev, Josif | | | 1994 | BUL | 1.00 | 1 | 0.30 | 20 | 6.00 | | | Marholev, Dimitar | m | | 2170 | BUL | 0.50 | 1 | 0.04 | 20 | 0.80 | | | Nikolov, Yavor | | | 1993 | BUL | 0.00 | 1 | -0.70 | 20 | -14.00 | | | Kayan, Veli | | | 1929 | TUR | 1.00 | 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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