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Individual Calculations September 2021 |
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| Kochavi, Dana Total change: 61.20 | |   |
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| Kiryat Ono Summer 2021 A | Kiryat Ono | ISR | 2021-07-28 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1760 | 1651 | 3.00 | 5 | 1.17 | 40 | 46.80 | |
|  Gradenwitz, Oded | | | 1623 | ISR | 1.00 | 1 | 0.46 | 40 | 18.40 | |  Gavriely, Or | | | 1737 | ISR | 0.50 | 1 | 0.12 | 40 | 4.80 | | | Erentroy, Yehuda | | | 1969 | ISR | 1.00 | 1 | 0.87 | 40 | 34.80 | | | Bodenshtein, Yair | | | 1849 | ISR | 0.50 | 1 | 0.26 | 40 | 10.40 | | | Duchan, Yoav | | | 1624 | ISR | 0.00 | 1 | -0.54 | 40 | -21.60 | |
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) | | | | Maccabi Ramat Gan Chess Championship 2021 A | Ramat Gan | ISR | 2021-08-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2034 | 1799 | 1.50 | 5 | 0.36 | 40 | 14.40 | |
| | Chernomordik, Pavel | f | | 2191 | ISR | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Friedland, Eldar | | | 1962 | ISR | 0.00 | 1 | -0.28 | 40 | -11.20 | | | Weintraub, Amit | | | 1954 | ISR | 1.00 | 1 | 0.71 | 40 | 28.40 | | | Sitbon, Itay | | | 1866 | ISR | 0.00 | 1 | -0.41 | 40 | -16.40 | | | Vagman, Roy | c | | 2199 * | ISR | 0.50 | 1 | 0.42 | 40 | 16.80 | | | * 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) | | |
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