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Individual Calculations January 2020 |
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| Kochavi, Dana Total change: 92.40 | |   |
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| Artzit Youth League - Central 2019/20 Round 6-7 | Various | ISR | 2019-12-05 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1189 | 1445 | 1.00 | 1 | 0.19 | 40 | 7.60 | |
|  Timonin, Roman | | | 1189 | ISR | 1.00 | 1 | 0.19 | 40 | 7.60 | |
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) | | | | Israeli National Open Championship - 2019 | Jerusalem | ISR | 2019-12-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1696 | 1445 | 4.00 | 9 | 2.00 | 40 | 80.00 | |
|  Kunin, Michael | | | 1845 * | ISR | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Sobel, Ido | | | 1711 | ISR | 0.00 | 1 | -0.18 | 40 | -7.20 | | | Oliel, Yehonatan | | | 1610 | ISR | 0.00 | 1 | -0.28 | 40 | -11.20 | | | Jonas, Joseph | | | 1349 | FRA | 1.00 | 1 | 0.37 | 40 | 14.80 | | | Gruzman, Ilya | | | 1845 * | ISR | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Kfir, Itzhak | | | 1528 | ISR | 1.00 | 1 | 0.61 | 40 | 24.40 | | | Cohen, Moshe | | | 1697 | ISR | 1.00 | 1 | 0.81 | 40 | 32.40 | | | Mazar, Ariel | | | 1831 | ISR | 1.00 | 1 | 0.91 | 40 | 36.40 | | | Bulkovstein, David | | | 1845 * | ISR | 0.00 | 1 | -0.08 | 40 | -3.20 | | | * Rating difference of more than 400. Please read more at FIDE Handbook |
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 |
| 1268 | 1445 | 3.00 | 4 | 0.12 | 40 | 4.80 | |
| | Shandalov, Gavriel | | | 1213 | ISR | 1.00 | 1 | 0.21 | 40 | 8.40 | | | Fester, Harel | | | 1146 | ISR | 1.00 | 1 | 0.15 | 40 | 6.00 | | | Korshenbaum, Lior | | | 1370 | ISR | 0.00 | 1 | -0.60 | 40 | -24.00 | | | Fudim, Basya | | | 1341 | ISR | 1.00 | 1 | 0.36 | 40 | 14.40 | |
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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