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Individual Calculations October 2023 |
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| Boyadzhieva, Katerina Total change: 49.60 | |   |
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| Bulgarian Team Chess Championship U14 Boys | Kranevo | BUL | 2023-08-28 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1488 | 1151 | 1.00 | 3 | 0.33 | 40 | 13.20 | |
|  Popzafirov, Danail | | | 1886 | BUL | 0.00 | 1 | -0.01 | 40 | -0.40 | | | Pantev, Kaloyan | | | 1423 | BUL | 1.00 | 1 | 0.83 | 40 | 33.20 | |  Simonski, Atanas | | | 1155 | BUL | 0.00 | 1 | -0.49 | 40 | -19.60 | |
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) | | | | European Youth Championship - Girls 12 | Mamaia | ROU | 2023-09-05 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1285 | 1127 | 3.00 | 7 | 0.91 | 40 | 36.40 | |
| | Huseynova, Dinara | | | 1340 | AZE | 0.00 | 1 | -0.23 | 40 | -9.20 | | | Aghamirzayeva, Rena | | | 1031 | AZE | 1.00 | 1 | 0.37 | 40 | 14.80 | | | Ndreko, Ailin | | | 1354 | ALB | 0.00 | 1 | -0.21 | 40 | -8.40 | | | Roebers, Bregje | | | 1288 | NED | 1.00 | 1 | 0.71 | 40 | 28.40 | | | Aydogan, Arya | | | 1352 | TUR | 0.00 | 1 | -0.22 | 40 | -8.80 | | | Radu, Rebecca-Aimee | | | 1273 | ROU | 0.50 | 1 | 0.20 | 40 | 8.00 | | | Milovic, Sofija | | | 1357 | MNE | 0.50 | 1 | 0.29 | 40 | 11.60 | |
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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