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Individual Calculations January 2020 |
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| Koushnir, Ron Total change: -36.40 | |   |
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| Artzit Youth League -South 2019/20 Round 6-7 | Various | ISR | 2019-12-05 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1187 | 1318 | 1.00 | 1 | 0.32 | 40 | 12.80 | |
|  Haliva, Niv | | | 1187 | ISR | 1.00 | 1 | 0.32 | 40 | 12.80 | |
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) | | | | Israel Youth Championship U13 Qualifiers 2019 - Center | Givatayim | ISR | 2019-12-24 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1257 | 1318 | 0.50 | 3 | -1.23 | 40 | -49.20 | |
| | Hillel, Daniel | | | 1089 | ISR | 0.50 | 1 | -0.29 | 40 | -11.60 | |  Korshenbaum, Lior | | | 1370 | ISR | 0.00 | 1 | -0.43 | 40 | -17.20 | | | Gilad, Tomer | | | 1313 | ISR | 0.00 | 1 | -0.51 | 40 | -20.40 | |
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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