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Individual Calculations May 2023 |
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| Pelech, Roee Total change: 38.00 | |   |
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| Israel Youth Championship under 18 2023 | Israel | ISR | 2023-03-28 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1971 | 1845 | 5.00 | 9 | 1.53 | 40 | 61.20 | |
|  Levin, Guy | f | | 2419 | ISR | 0.00 | 1 | -0.02 | 40 | -0.80 | |  Scheimann, Ori | | | 1627 | ISR | 1.00 | 1 | 0.22 | 40 | 8.80 | | | Sherman, Reem | c | | 2126 | ISR | 0.00 | 1 | -0.16 | 40 | -6.40 | | | Rivlin, Shachar | | | 2075 | ISR | 0.00 | 1 | -0.21 | 40 | -8.40 | | | Gavriely, Or | | | 2000 | ISR | 1.00 | 1 | 0.71 | 40 | 28.40 | | | Gilad, Tomer | | | 1670 | ISR | 1.00 | 1 | 0.27 | 40 | 10.80 | | | Guz, Ari | f | | 2318 | ISR | 0.00 | 1 | -0.05 | 40 | -2.00 | | | Levi, Or | | | 1883 | ISR | 1.00 | 1 | 0.55 | 40 | 22.00 | | | Rinberg, David | | | 1623 | ISR | 1.00 | 1 | 0.22 | 40 | 8.80 | |
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 |
| 1915 | 1970 | 0.00 | 1 | -0.58 | 40 | -23.20 | |
| | Meirovich, Ilay | | | 1915 | ISR | 0.00 | 1 | -0.58 | 40 | -23.20 | |
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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