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Individual Calculations July 2021 |
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| Popov, Georgi Total change: 20.40 | |   |
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| 19th Chess Weekend Tournament | Sofia | BUL | 2021-05-29 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1769 | 1907 | 4.00 | 6 | 0.08 | 20 | 1.60 | |
|  Todorova, Dobrinka | | | 1507 * | BUL | 0.50 | 1 | -0.42 | 20 | -8.40 | |  Vorobyova, Sofia | | | 1507 * | RUS | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Patev, Petko | | | 1800 | BUL | 1.00 | 1 | 0.35 | 20 | 7.00 | | | Gelemerov, Yane | | | 1841 | BUL | 0.50 | 1 | -0.09 | 20 | -1.80 | | | Dimov, Nikola | | | 1771 | BUL | 1.00 | 1 | 0.32 | 20 | 6.40 | | | Kochiev, Ivan | | | 2190 | BUL | 0.00 | 1 | -0.16 | 20 | -3.20 | | | * 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) | | | | Ropotamo Cup 2021 | Primorsko | BUL | 2021-06-06 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1757 | 1888 | 5.00 | 9 | -0.75 | 20 | -15.00 | |
| | Mladenov, Georgi | | | 1488 * | BUL | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Ivanov, Bogidar | | | 2178 | BUL | 0.00 | 1 | -0.16 | 20 | -3.20 | | | Doykov, Stoycho | | | 1597 | BUL | 1.00 | 1 | 0.15 | 20 | 3.00 | | | Genov, Petko | | | 2153 | BUL | 0.50 | 1 | 0.32 | 20 | 6.40 | | | Gromovs, Sergejs | f | | 2188 | ITA | 0.00 | 1 | -0.15 | 20 | -3.00 | | | Kamenov, Valentin | | | 1685 | BUL | 0.00 | 1 | -0.76 | 20 | -15.20 | | | Zhelyazkov, Aleksandar | | | 1525 | BUL | 0.50 | 1 | -0.40 | 20 | -8.00 | | | Radulov, Nikolay | | | 1488 * | BUL | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Stoyanov, Kaloian | | | 1512 | BUL | 1.00 | 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) | | | | Bulgarian Team Chess Championship Men 2021 | Kiten | BUL | 2021-06-21 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2142 | 1888 | 2.50 | 4 | 1.69 | 20 | 33.80 | |
| | Metodiev, Veselin | | | 2018 | BUL | 1.00 | 1 | 0.68 | 20 | 13.60 | | | Kolev, Lachezar | | | 2085 | BUL | 0.00 | 1 | -0.25 | 20 | -5.00 | | | Petrov, Ivan | | | 2190 | BUL | 0.50 | 1 | 0.35 | 20 | 7.00 | | | Mehmed, Elif | | wf | 2273 | BUL | 1.00 | 1 | 0.91 | 20 | 18.20 | |
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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