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Individual Calculations May 2023 |
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| Duchan, Yoav Total change: 109.20 | |   |
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| Israel Youth Championship under 16- 2023 | Israel | ISR | 2023-03-28 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1827 | 1829 | 5.00 | 9 | 0.42 | 40 | 16.80 | |
|  Linik, Daniel | | | 1496 | ISR | 1.00 | 1 | 0.12 | 40 | 4.80 | |  Vagman, Roy | f | | 2298 | ISR | 0.00 | 1 | -0.05 | 40 | -2.00 | | | Lapushnian, Maya | | | 1685 | ISR | 1.00 | 1 | 0.31 | 40 | 12.40 | | | Medovoy, Yaniv | | | 1887 | ISR | 1.00 | 1 | 0.58 | 40 | 23.20 | | | Pevzner, Maks | | | 2028 | ISR | 0.00 | 1 | -0.24 | 40 | -9.60 | | | Meirovich, Ilay | | | 1954 | ISR | 0.50 | 1 | 0.17 | 40 | 6.80 | | | Rubinstein, Dori | | | 1687 | ISR | 0.50 | 1 | -0.19 | 40 | -7.60 | | | Bilenkiy, Maksym | | | 1890 | ISR | 0.00 | 1 | -0.42 | 40 | -16.80 | | | Helfgott-Miron, Itamar | | | 1518 | ISR | 1.00 | 1 | 0.14 | 40 | 5.60 | |
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) | | | | CZERNIAK 36 MEMORIAL 2023 OPEN A | Tel Aviv | ISR | 2023-04-07 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2171 | 1796 | 2.50 | 5 | 2.00 | 40 | 80.00 | |
| | Ehrlich, Roy | | | 2211 | ISR | 0.00 | 1 | -0.07 | 40 | -2.80 | | | Friedland, Omer | | | 2117 | ISR | 1.00 | 1 | 0.87 | 40 | 34.80 | | | Gruzman, Ilya | c | | 2141 | ISR | 1.00 | 1 | 0.89 | 40 | 35.60 | | | Kupervaser, Erez | f | | 2279 | ISR | 0.00 | 1 | -0.05 | 40 | -2.00 | | | Gov, Guy | | | 2108 | ISR | 0.50 | 1 | 0.36 | 40 | 14.40 | |
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) | | | | League Alef Shfela 2023 7 | Israel | ISR | 2023-04-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2047 | 1796 | 0.50 | 1 | 0.31 | 40 | 12.40 | |
| | Orgad, Dan | | | 2047 | ISR | 0.50 | 1 | 0.31 | 40 | 12.40 | |
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) | | |
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