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Individual Calculations August 2023 |
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| Ribshtein, Nati Total change: 19.60 | |   |
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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 |
| 2179 | 2232 | 3.00 | 4 | 0.74 | 10 | 7.40 | |
|  Meirovich, Ilay | | | 1935 | ISR | 1.00 | 1 | 0.15 | 10 | 1.50 | |  Dvoirys, Semen I. | g | | 2474 | RUS | 0.00 | 1 | -0.20 | 10 | -2.00 | | | Gamayev, Oleg | | | 2143 | ISR | 1.00 | 1 | 0.38 | 10 | 3.80 | | | Pelech, Roee | | | 2164 | ISR | 1.00 | 1 | 0.41 | 10 | 4.10 | |
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 |
| 2095 | 2232 | 4.50 | 5 | 1.22 | 10 | 12.20 | |
| | Taragan, Uri | | | 1832 * | ISR | 1.00 | 1 | 0.08 | 10 | 0.80 | | | Hasson Shreger, Shalev | | | 1912 | ISR | 1.00 | 1 | 0.13 | 10 | 1.30 | | | Chernomordik, Pavel | f | | 2124 | ISR | 1.00 | 1 | 0.35 | 10 | 3.50 | | | Barash, Mikhail | | | 2132 | ISR | 1.00 | 1 | 0.36 | 10 | 3.60 | | | Dvoirys, Semen I. | g | | 2474 | RUS | 0.50 | 1 | 0.30 | 10 | 3.00 | | | * 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) | | |
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