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Individual Calculations January 2019 |
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| Weiss, Omri Total change: -34.80 | |   |
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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 |
| 1550 | 1418 | 0.00 | 2 | -0.64 | 40 | -25.60 | |
|  Shteiman, Yuval | | | 1572 | ISR | 0.00 | 1 | -0.29 | 40 | -11.60 | | | Segal, Amitai | | | 1528 | ISR | 0.00 | 1 | -0.35 | 40 | -14.00 | |
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 U13 Qualifier 2018 Center | Kiryat Ono | ISR | 2018-12-04 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1278 | 1463 | 2.00 | 3 | -0.23 | 40 | -9.20 | |
| | Boguslavsky, Itay | | | 1325 | ISR | 1.00 | 1 | 0.31 | 40 | 12.40 | |  Swiry, Ohad | | | 1262 | ISR | 0.00 | 1 | -0.76 | 40 | -30.40 | | | Fisher, Lidor | | | 1247 | 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) | | |
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