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Individual Calculations June 2023 |
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| Lotan, Barak Total change: 13.20 | |   |
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| League Alef Zafon 2023 8-9 | Israel | ISR | 2023-05-04 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1965 | 1909 | 1.50 | 2 | 0.66 | 20 | 13.20 | |
|  Fainberg, Boris | | | 1981 | ISR | 0.50 | 1 | 0.10 | 20 | 2.00 | |  Borenshtein, Tal | | | 1949 | ISR | 1.00 | 1 | 0.56 | 20 | 11.20 | |
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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