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Individual Calculations September 2023 |
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| Velchev, Yoan Total change: 84.80 | |   |
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| 2nd Marina Cup U16 | Gabrovo | BUL | 2023-07-29 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1290 | 1227 | 3.50 | 5 | 1.41 | 40 | 56.40 | |
|  Georgiev, Aleksandar | | | 1301 | BUL | 0.50 | 1 | 0.10 | 40 | 4.00 | |  Kanchev, Martin | | | 1429 | BUL | 0.50 | 1 | 0.26 | 40 | 10.40 | | | Emanouilov, Radoslav | | | 1259 | BUL | 0.50 | 1 | 0.04 | 40 | 1.60 | | | Velichkov, Nikolay | | | 1201 | BUL | 1.00 | 1 | 0.46 | 40 | 18.40 | | | Tsekov, Nikolay | | | 1261 | BUL | 1.00 | 1 | 0.55 | 40 | 22.00 | |
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) | | | | Open Teteven 2023 | Teteven | BUL | 2023-08-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1723 | 1227 | 1.00 | 5 | 0.71 | 40 | 28.40 | |
| | Popov, Ilian | | | 2020 | BUL | 0.00 | 1 | 0.00 | 40 | 0.00 | | | Zuqanov, Ali | | | 1713 | AZE | 0.00 | 1 | -0.04 | 40 | -1.60 | | | Nenov, Teodor | | | 1562 | BUL | 1.00 | 1 | 0.88 | 40 | 35.20 | | | Petkova, Irina | | | 1649 | BUL | 0.00 | 1 | -0.07 | 40 | -2.80 | | | Stankov, Apostol | | | 1673 | BUL | 0.00 | 1 | -0.06 | 40 | -2.40 | |
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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