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Individual Calculations September 2023 |
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| Velichkov, Nikolay Total change: 36.00 | |   |
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| 2nd Marina Cup U16 | Gabrovo | BUL | 2023-07-29 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1234 | 1201 | 2.50 | 5 | 0.22 | 40 | 8.80 | |
|  Georgiev, Aleksandar | | | 1301 | BUL | 0.00 | 1 | -0.36 | 40 | -14.40 | | | Ochkova, Vasilena | | | 1037 | BUL | 1.00 | 1 | 0.28 | 40 | 11.20 | |  Kanchev, Martin | | | 1429 | BUL | 1.00 | 1 | 0.79 | 40 | 31.60 | | | Velchev, Yoan | | | 1227 | BUL | 0.00 | 1 | -0.46 | 40 | -18.40 | | | Koev, Georgi | | | 1176 | 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) | | | | 48 Sea Horse Cup B12 | Sportpalace, Varna | BUL | 2023-08-21 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1270 | 1236 | 2.50 | 4 | 0.68 | 40 | 27.20 | |
| | Enev, Aleks | | | 1409 | BUL | 0.50 | 1 | 0.23 | 40 | 9.20 | | | Todorov, Rayan | | | 1251 | BUL | 0.50 | 1 | 0.02 | 40 | 0.80 | | | Nikolov, Nikola Evg | | | 1094 | BUL | 0.50 | 1 | -0.19 | 40 | -7.60 | | | Dimitrov, Georgi Y | | | 1326 | BUL | 1.00 | 1 | 0.62 | 40 | 24.80 | |
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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