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Individual Calculations October 2020 |
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| Valev, Valentin Total change: 1.60 | |   |
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| Primorsko open 2019 A tournament | Primorsko | BUL | 2020-09-14 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1978 | 2020 | 3.50 | 8 | -0.94 | 20 | -18.80 | |
|  Petrov, Martin | m | | 2420 * | BUL | 0.00 | 1 | -0.08 | 20 | -1.60 | |  Genchev, Damjan | | | 1633 | BUL | 0.50 | 1 | -0.41 | 20 | -8.20 | | | Petkova, Irina | | | 1620 * | BUL | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Kamenov, Valentin | | | 1787 | BUL | 1.00 | 1 | 0.21 | 20 | 4.20 | | | Borsuk, Konstantin | m | | 2407 | UKR | 0.00 | 1 | -0.09 | 20 | -1.80 | | | Genov, Petko | | | 2206 | BUL | 0.50 | 1 | 0.24 | 20 | 4.80 | | | Georgiev, Konstantin | | | 1855 | BUL | 0.00 | 1 | -0.72 | 20 | -14.40 | | | Stoynov, Stefan | | | 1897 | BUL | 0.50 | 1 | -0.17 | 20 | -3.40 | | | * 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 2019 B tournament | Primorsko | BUL | 2020-09-15 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1941 | 2020 | 4.50 | 6 | 1.02 | 20 | 20.40 | |
| | Kosturkov, Hristo | | | 1620 * | BUL | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Gromovs, Sergejs | f | | 2199 | ITA | 0.50 | 1 | 0.23 | 20 | 4.60 | | | Kononenko, Vladimir | | | 1754 | BUL | 1.00 | 1 | 0.18 | 20 | 3.60 | | | Tsanov, Miroslav | | | 1849 | BUL | 1.00 | 1 | 0.27 | 20 | 5.40 | | | Petkov, Emil | | | 2097 | BUL | 0.50 | 1 | 0.11 | 20 | 2.20 | | | Milchev, Miroslav | | | 2129 | BUL | 0.50 | 1 | 0.15 | 20 | 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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