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Individual Calculations September 2019 |
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| Weber, Yonatan Total change: 137.20 | |   |
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| European Youth Chess Championship 2019 Open 08 | Bratislava | SVK | 2019-08-02 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1384 | 1118 | 3.00 | 6 | 1.90 | 40 | 76.00 | |
|  Vasilkov, Nikolay | | | 1371 | RUS | 0.50 | 1 | 0.31 | 40 | 12.40 | |  Velagapudi, Vihan | | | 1337 | FIN | 0.00 | 1 | -0.22 | 40 | -8.80 | | | Celik, Ali Alper | | | 1401 | TUR | 0.00 | 1 | -0.16 | 40 | -6.40 | | | Alidis, Myron | | | 1405 | CZE | 1.00 | 1 | 0.84 | 40 | 33.60 | | | Borsch, Alexander | | | 1282 | RUS | 1.00 | 1 | 0.72 | 40 | 28.80 | | | Bouska, Jiri | | | 1505 | CZE | 0.50 | 1 | 0.41 | 40 | 16.40 | |
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) | | | | Israel Team Championship 2019 U14 | Afula | ISR | 2019-08-18 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1274 | 1118 | 2.50 | 3 | 1.53 | 40 | 61.20 | |
| | Herskovich, Omer | | | 1010 | ISR | 0.50 | 1 | -0.15 | 40 | -6.00 | | | Kravchenko, Danny | | | 1359 | ISR | 1.00 | 1 | 0.80 | 40 | 32.00 | | | Zusman, Tal | | | 1453 | ISR | 1.00 | 1 | 0.88 | 40 | 35.20 | |
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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