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Individual Calculations January 2019 |
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| Ostrovsky Berman, Noam Total change: 61.20 | |   |
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| Artzit Youth League -East 2018/9 5-7 | Various | ISR | 2018-11-29 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1489 | 1431 | 2.00 | 2 | 1.16 | 40 | 46.40 | |
|  Cohen, Eilam | | | 1526 | ISR | 1.00 | 1 | 0.63 | 40 | 25.20 | |  Mamo, Gilad | | | 1451 | ISR | 1.00 | 1 | 0.53 | 40 | 21.20 | |
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 Cadet Championship U9 Qualifier 2018 Center | Kiryat Ono | ISR | 2018-12-04 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1175 | 1428 | 2.00 | 2 | 0.37 | 40 | 14.80 | |
| | Sivan, Guy | | | 1148 | ISR | 1.00 | 1 | 0.16 | 40 | 6.40 | | | Ater-Datz, Noam | | | 1201 | ISR | 1.00 | 1 | 0.21 | 40 | 8.40 | |
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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