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Individual Calculations October 2023 |
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| Ribeiro, Margarida Total change: -52.80 | |   |
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| Maia Chess Open 2023 | Maia | POR | 2023-08-25 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1626 | 1171 | 0.00 | 3 | -0.18 | 40 | -7.20 | |
|  Rousseau, Christilla | | | 1679 | BEL | 0.00 | 1 | -0.04 | 40 | -1.60 | | | Serafim Junior, Arnor | | | 1647 | BRA | 0.00 | 1 | -0.05 | 40 | -2.00 | |  Caturra, Rafael Dias | | | 1553 | POR | 0.00 | 1 | -0.09 | 40 | -3.60 | |
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 |
| 1267 | 1181 | 2.00 | 8 | -1.14 | 40 | -45.60 | |
| | Allard Nedellec, Anna | | | 1502 | FRA | 0.00 | 1 | -0.13 | 40 | -5.20 | | | Nitu, Maria Roxana | | | 1316 | ROU | 0.00 | 1 | -0.32 | 40 | -12.80 | | | Plesa, Maria | | | 1020 | ROU | 0.50 | 1 | -0.21 | 40 | -8.40 | | | Bilyk, Veronika | | | 1402 | UKR | 0.50 | 1 | 0.28 | 40 | 11.20 | | | Golubeva, Alina | | | 1042 | MNC | 0.50 | 1 | -0.19 | 40 | -7.60 | | | Mierina, Lauma | | | 1338 | LAT | 0.00 | 1 | -0.29 | 40 | -11.60 | | | Roebers, Bregje | | | 1288 | NED | 0.00 | 1 | -0.35 | 40 | -14.00 | | | Gervasi, Giulia | | | 1230 | ITA | 0.50 | 1 | 0.07 | 40 | 2.80 | |
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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