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Individual Calculations August 2023 |
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| Ribstein, Orel Total change: 43.20 | |   |
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| 13th Kiryat Ono Summer Festival Open A | Kiryat Ono | ISR | 2023-07-09 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2075 | 1971 | 1.50 | 4 | -0.09 | 40 | -3.60 | |
|  Rozen, Eytan | m | | 2414 | ISR | 0.00 | 1 | -0.06 | 40 | -2.40 | |  Medovoy, Yaniv | | | 1850 | ISR | 0.00 | 1 | -0.66 | 40 | -26.40 | | | Meirovich, Ilay | | | 1935 | ISR | 0.50 | 1 | -0.05 | 40 | -2.00 | | | Kochavi, Dana | | wf | 2101 | ISR | 1.00 | 1 | 0.68 | 40 | 27.20 | |
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) | | | | classic tournament week up to 1900 | Rishon Lezion | ISR | 2023-07-16 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2120 | 1971 | 3.00 | 5 | 1.17 | 40 | 46.80 | |
| | Abitbul, Matan | | | 1642 | ISR | 0.50 | 1 | -0.38 | 40 | -15.20 | | | Brezis, Ari | | | 1858 | ISR | 1.00 | 1 | 0.35 | 40 | 14.00 | | | Chapliev, Aleksandr | f | | 2214 | RUS | 1.00 | 1 | 0.80 | 40 | 32.00 | | | Dvoirys, Semen I. | g | | 2474 | RUS | 0.00 | 1 | -0.04 | 40 | -1.60 | | | Kaspi, Alexander | m | | 2414 | ISR | 0.50 | 1 | 0.44 | 40 | 17.60 | |
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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