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Individual Calculations September 2021 |
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| Pritulina, Nadezhda Total change: 0.40 | |   |
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| KERES AMATEUR CLASSIC OPEN 2021 | Parnu | EST | 2021-08-02 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1431 | 1065 | 0.00 | 3 | -0.30 | 40 | -12.00 | |
|  Polendik, Tiina | | | 1465 * | EST | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Tomson, Mikk | | | 1440 | EST | 0.00 | 1 | -0.09 | 40 | -3.60 | |  Bitkova, Elizavetta | | | 1387 | EST | 0.00 | 1 | -0.13 | 40 | -5.20 | | | * Rating difference of more than 400. Please read more at FIDE Handbook |
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) | | | | Estonian -G12 Youth Championships - 2021 | Tallinn | EST | 2021-08-19 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1186 | 1065 | 1.00 | 2 | 0.31 | 40 | 12.40 | |
| | Haapsal, Maria Ioanna | | | 1282 | EST | 0.00 | 1 | -0.22 | 40 | -8.80 | | | Orlova, Sofiya | | | 1089 | EST | 1.00 | 1 | 0.53 | 40 | 21.20 | |
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) | | |
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