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Individual Calculations January 2019 |
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| Bishara, Omar Total change: 49.60 | |   |
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| Artzit Youth League - North 2018/9 5-7 | Various | ISR | 2018-11-29 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1549 | 1375 | 1.00 | 3 | 0.06 | 40 | 2.40 | |
|  Sandlersky, Patrick | | | 1261 | ISR | 0.00 | 1 | -0.66 | 40 | -26.40 | |  Gruzman, Ilya | | | 1775 * | ISR | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Mishkovsky, Israel | | | 1611 | ISR | 1.00 | 1 | 0.80 | 40 | 32.00 | | | * 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 Qualifier 2018 Center | Kiryat Ono | ISR | 2018-12-04 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1289 | 1375 | 3.00 | 3 | 1.18 | 40 | 47.20 | |
| | Rotenberg, Ariel | | | 1135 | ISR | 1.00 | 1 | 0.20 | 40 | 8.00 | | | Penso, Liron | | | 1408 | ISR | 1.00 | 1 | 0.55 | 40 | 22.00 | | | Boguslavsky, Itay | | | 1325 | ISR | 1.00 | 1 | 0.43 | 40 | 17.20 | |
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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