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Individual Calculations May 2023 |
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| Stoica, Melina-Theodora Total change: 51.20 | |   |
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| Romania National Youth Championships 2023 - girls U8 | Eforie Nord | ROU | 2023-04-04 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1116 | 1142 | 3.00 | 4 | 0.86 | 40 | 34.40 | |
|  Marchis, Carla-Ioana | | | 1157 | ROU | 1.00 | 1 | 0.52 | 40 | 20.80 | |  Constantin-Ciuntu, Anne-Sophie | | | 1127 | ROU | 0.00 | 1 | -0.52 | 40 | -20.80 | | | Badescu, Eliza-Ioana | | | 1091 | ROU | 1.00 | 1 | 0.43 | 40 | 17.20 | | | Valean, Sofia-Ayana | | | 1089 | ROU | 1.00 | 1 | 0.43 | 40 | 17.20 | |
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) | | | | 2023 World School Chess Championships - girls U9 | Rhodes | GRE | 2023-04-14 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1253 | 1142 | 1.50 | 3 | 0.42 | 40 | 16.80 | |
| | Berikkyzy, Alanna | | | 1346 | KAZ | 0.00 | 1 | -0.24 | 40 | -9.60 | | | Abdallah, Yara | | | 1100 | TUN | 0.50 | 1 | -0.06 | 40 | -2.40 | | | Tischler Lema Garcia, Maria Eduar | | | 1312 | BRA | 1.00 | 1 | 0.72 | 40 | 28.80 | |
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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