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Rapid:
Individual Calculations September 2023 |
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| Ribstein, Itael Total change: 19.20 | |   |
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| Kiryat Ono Summer 2023 Rapid 4 | Kiryat Ono | ISR | 2023-08-11 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1347 | 1118 | 1.50 | 4 | 0.57 | 40 | 22.80 | |
|  Arian, Tal | | | 1195 | ISR | 0.50 | 1 | 0.11 | 40 | 4.40 | |  Blekh, Erik | | | 1423 | ISR | 1.00 | 1 | 0.86 | 40 | 34.40 | | | Allouch, Gavriel | | | 1517 | ISR | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Nachmias, Moshe | | | 1251 | ISR | 0.00 | 1 | -0.32 | 40 | -12.80 | |
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) | | | | Herzliya Junior Summer open Tournament | Herzliya | ISR | 2023-08-28 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1086 | 1118 | 1.00 | 2 | -0.09 | 40 | -3.60 | |
| | Katz, Yahel | | | 1132 | ISR | 0.00 | 1 | -0.48 | 40 | -19.20 | | | Ivanov, Tal | | | 1040 | ISR | 1.00 | 1 | 0.39 | 40 | 15.60 | |
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) | | |
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