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Individual Calculations January 2020 |
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| Roytman, Yoel Total change: 25.60 | |   |
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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 |
| 1313 | 1438 | 2.00 | 2 | 0.69 | 40 | 27.60 | |
|  Peleg, Yuval | | | 1205 | ISR | 1.00 | 1 | 0.21 | 40 | 8.40 | | | Stepanenko, Yulia | | | 1421 | ISR | 1.00 | 1 | 0.48 | 40 | 19.20 | |
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) | | | | Israel Youth Championship U13 Qualifiers 2019 - South | Ashdod | ISR | 2019-12-24 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1186 | 1438 | 4.00 | 5 | -0.05 | 40 | -2.00 | |
| | Lebedev, Grigori | | | 1208 | ISR | 1.00 | 1 | 0.21 | 40 | 8.40 | | | Nefyurstok, Alon | | | 1157 | ISR | 0.00 | 1 | -0.84 | 40 | -33.60 | |  Barak, Tomer | | | 1147 | ISR | 1.00 | 1 | 0.15 | 40 | 6.00 | | | Laikind, Koral | | | 1253 | ISR | 1.00 | 1 | 0.26 | 40 | 10.40 | | | Tsafrir, Itay | | | 1163 | ISR | 1.00 | 1 | 0.17 | 40 | 6.80 | |
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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