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Individual Calculations January 2020 |
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| Rotenberg, Ariel Total change: 22.80 | |   |
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| Artzit Youth League - Gush Dan 2019/20 Round 6-7 | Various | ISR | 2019-12-05 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1177 | 1176 | 2.00 | 2 | 1.00 | 40 | 40.00 | |
|  Ron, Itay | | | 1089 | ISR | 1.00 | 1 | 0.38 | 40 | 15.20 | | | Swiry, Ohad | | | 1265 | ISR | 1.00 | 1 | 0.62 | 40 | 24.80 | |
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 |
| 1284 | 1176 | 1.00 | 4 | -0.43 | 40 | -17.20 | |
| | Levian, Omer | | | 1330 | ISR | 0.00 | 1 | -0.29 | 40 | -11.60 | |  Hasson Shreger, Shalev | | | 1365 | ISR | 0.00 | 1 | -0.25 | 40 | -10.00 | | | Intreter, Nir | | | 1351 | ISR | 0.00 | 1 | -0.27 | 40 | -10.80 | | | Helfgott-Miron, Itamar | | | 1088 | ISR | 1.00 | 1 | 0.38 | 40 | 15.20 | |
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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