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Individual Calculations January 2019 |
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| Ben-Boreum, Yan Total change: -42.00 | |   |
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| Artzit Youth League -East 2018/9 5-7 | Various | ISR | 2018-11-29 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1256 | 1519 | 2.50 | 3 | 0.05 | 40 | 2.00 | |
|  Goldstein, Asaf | | | 1219 | ISR | 1.00 | 1 | 0.15 | 40 | 6.00 | |  Kawaz, Roee | | | 1213 | ISR | 1.00 | 1 | 0.14 | 40 | 5.60 | | | Cohen, Ogen | | | 1337 | ISR | 0.50 | 1 | -0.24 | 40 | -9.60 | |
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) | | | | Israel Youth Championship U15 Qualifier 2018 Center | Kiryat Ono | ISR | 2018-12-04 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1419 | 1519 | 2.00 | 5 | -1.10 | 40 | -44.00 | |
| | Federovski, Yael | | | 1578 | ISR | 0.00 | 1 | -0.42 | 40 | -16.80 | | | Maor, Gilad | | | 1182 | ISR | 1.00 | 1 | 0.12 | 40 | 4.80 | | | Neiman, Eliran | | | 1534 | ISR | 1.00 | 1 | 0.52 | 40 | 20.80 | | | Mondri, Nadav | | | 1439 | ISR | 0.00 | 1 | -0.61 | 40 | -24.40 | | | Sauni, Rotem | | | 1363 | ISR | 0.00 | 1 | -0.71 | 40 | -28.40 | |
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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