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Individual Calculations October 2021 |
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| Marholev, Dimitar Total change: 7.00 | |   |
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| Sunny Beach Open 2021 | Sunny Beach | BUL | 2021-09-03 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2085 | 2170 | 6.50 | 9 | 1.12 | 10 | 11.20 | |
|  McGill, Derek | | | 1777 | IRL | 1.00 | 1 | 0.08 | 10 | 0.80 | |  Nahornyi, Ihor | | | 1914 | UKR | 0.50 | 1 | -0.31 | 10 | -3.10 | | | Banov, Boil | | | 2161 | BUL | 1.00 | 1 | 0.49 | 10 | 4.90 | | | Sapocinic, Semion | | | 1855 | MDA | 1.00 | 1 | 0.14 | 10 | 1.40 | | | Hess, Max | f | | 2415 | GER | 0.50 | 1 | 0.30 | 10 | 3.00 | | | Gochev, Plamen | | | 1885 | BUL | 0.50 | 1 | -0.34 | 10 | -3.40 | | | Tilicheev, Viacheslav | g | | 2509 | RUS | 0.50 | 1 | 0.38 | 10 | 3.80 | | | Ivanov, Bogidar | | | 2219 | BUL | 1.00 | 1 | 0.57 | 10 | 5.70 | | | Cagara, Paulina | | | 2027 | POL | 0.50 | 1 | -0.19 | 10 | -1.90 | |
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 |
| 1969 | 2170 | 2.00 | 4 | -0.85 | 10 | -8.50 | |
| | Ahmad, Khagan | | | 1786 | AZE | 0.50 | 1 | -0.41 | 10 | -4.10 | | | Shevtsova, Stefania | | | 1770 * | RUS | 1.00 | 1 | 0.08 | 10 | 0.80 | | | Danov, Lyubomir | | | 2388 | BUL | 0.00 | 1 | -0.22 | 10 | -2.20 | | | Stanchev, Svetoslav | | | 1931 | BUL | 0.50 | 1 | -0.30 | 10 | -3.00 | | | * 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) | | | | Primorsko Open B 2021 | Primorsko | BUL | 2021-09-14 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1985 | 2170 | 5.50 | 7 | 0.43 | 10 | 4.30 | |
| | Kamenov, Valentin | | | 1770 * | BUL | 1.00 | 1 | 0.08 | 10 | 0.80 | | | Popov, Georgi | | | 1899 | BUL | 1.00 | 1 | 0.17 | 10 | 1.70 | | | Kostov, Galin | | | 2038 | BUL | 1.00 | 1 | 0.32 | 10 | 3.20 | | | Badev, Kiril | f | | 2142 | BUL | 0.50 | 1 | -0.04 | 10 | -0.40 | | | Makaraci, Tunahan | | | 2079 | TUR | 0.00 | 1 | -0.62 | 10 | -6.20 | | | Hristov, Petar | | | 1949 | BUL | 1.00 | 1 | 0.22 | 10 | 2.20 | | | Valev, Valentin | | | 2020 | BUL | 1.00 | 1 | 0.30 | 10 | 3.00 | | | * 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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