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Individual Calculations October 2021 |
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| Hristov, Petar Total change: 46.80 | |   |
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| Primorsko Open A 2021 | Primorsko | BUL | 2021-09-13 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2151 | 1949 | 2.50 | 6 | 0.95 | 20 | 19.00 | |
|  Stefanov, Krasimir | m | | 2349 * | BUL | 0.00 | 1 | -0.08 | 20 | -1.60 | |  Krastev, Goran | | | 2138 | BUL | 1.00 | 1 | 0.75 | 20 | 15.00 | | | Mitev, Valentin | f | | 2223 | BUL | 0.50 | 1 | 0.33 | 20 | 6.60 | | | Badev, Kiril | f | | 2142 | BUL | 0.50 | 1 | 0.25 | 20 | 5.00 | | | Vardakas, Grigorios | | | 2140 | GRE | 0.00 | 1 | -0.25 | 20 | -5.00 | | | Nahornyi, Ihor | | | 1914 | UKR | 0.50 | 1 | -0.05 | 20 | -1.00 | | | * 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 |
| 1989 | 1949 | 4.00 | 6 | 1.39 | 20 | 27.80 | |
| | Laleva, Radoslava | | | 1549 * | BUL | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Delchev, Petar | | | 2171 | BUL | 0.50 | 1 | 0.28 | 20 | 5.60 | | | Shoshin, Kirill | | | 2149 | RUS | 1.00 | 1 | 0.76 | 20 | 15.20 | | | Tashkov, Rumen | | | 2078 | BUL | 0.50 | 1 | 0.17 | 20 | 3.40 | | | Marholev, Dimitar | m | | 2170 | BUL | 0.00 | 1 | -0.22 | 20 | -4.40 | | | Shumantov, Aleksandar | | | 1817 | GER | 1.00 | 1 | 0.32 | 20 | 6.40 | | | * 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) | | |
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