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Individual Calculations September 2023 |
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| Koev, Georgi Total change: 72.40 | |   |
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| 2nd Marina Cup U16 | Gabrovo | BUL | 2023-07-29 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1198 | 1176 | 2.50 | 5 | 0.15 | 40 | 6.00 | |
|  Valchev, Martin V | | | 1285 | BUL | 0.50 | 1 | 0.15 | 40 | 6.00 | |  Georgiev, Aleksandar | | | 1301 | BUL | 0.00 | 1 | -0.33 | 40 | -13.20 | | | Malchev, Nikola | | | 1054 | BUL | 1.00 | 1 | 0.33 | 40 | 13.20 | | | Mitkova, Victoria-Elizabeth | | | 1151 | BUL | 0.50 | 1 | -0.03 | 40 | -1.20 | | | Velichkov, Nikolay | | | 1201 | BUL | 0.50 | 1 | 0.03 | 40 | 1.20 | |
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) | | | | 45th International Open - Memorial Georgi Tringov | Plovdiv | BUL | 2023-08-06 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1540 | 1176 | 2.50 | 7 | 1.66 | 40 | 66.40 | |
| | Ardenski, Dimitar | | | 1819 | BUL | 0.00 | 1 | -0.01 | 40 | -0.40 | | | Bozhkov Stoyanov, Cristopher | | | 1483 | ESP | 0.50 | 1 | 0.36 | 40 | 14.40 | | | Tonev, Slavcho | | | 1481 | BUL | 1.00 | 1 | 0.86 | 40 | 34.40 | | | Stolinov, Ivan | | | 1587 | BUL | 0.50 | 1 | 0.42 | 40 | 16.80 | | | Sahinidis, Konstantinos | | | 1551 | GRE | 0.00 | 1 | -0.09 | 40 | -3.60 | | | Shvenk, Denis | | | 1482 | BUL | 0.00 | 1 | -0.14 | 40 | -5.60 | | | Kartalov, Kiril | | | 1379 | BUL | 0.50 | 1 | 0.26 | 40 | 10.40 | |
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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