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Individual Calculations August 2023 |
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| Kochavi, Dana Total change: -69.16 | |   |
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| PRAGUE INTERNATIONAL CHESS FESTIVAL 2023 - FIDE open | Prague | CZE | 2023-06-22 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2073 | 2012 | 3.50 | 8 | 0.08 | 38 | 3.04 | |
|  Sokolovsky, Yahli | m | | 2464 | ISR | 0.00 | 1 | -0.06 | 38 | -2.28 | |  Veny, Jaume | | | 1765 | CZE | 1.00 | 1 | 0.19 | 38 | 7.22 | | | Bichsel, Walter | f | | 2201 | SUI | 1.00 | 1 | 0.75 | 38 | 28.50 | | | Aydincelebi, Kagan | f | | 2280 | TUR | 0.00 | 1 | -0.17 | 38 | -6.46 | | | Musial, Tomasz | c | | 2176 | POL | 0.00 | 1 | -0.28 | 38 | -10.64 | | | Jeyanth, R | | | 1612 * | IND | 0.50 | 1 | -0.42 | 38 | -15.96 | | | Walek, Petr | | | 2233 | CZE | 0.00 | 1 | -0.22 | 38 | -8.36 | | | Sokolovsky, Jakub | | | 1855 | SVK | 1.00 | 1 | 0.29 | 38 | 11.02 | | | * 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) | | | | 2023 Israeli National Women League | Israel | ISR | 2023-07-06 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2113 | 2101 | 2.50 | 5 | 0.15 | 38 | 5.70 | |
| | Viktoria, Radeva | | wg | 2267 | BUL | 0.00 | 1 | -0.28 | 38 | -10.64 | | | Shaul Seidner, Liad | | | 1723 | ISR | 1.00 | 1 | 0.09 | 38 | 3.42 | | | Anastasya, Rakhmangulova | | wm | 2347 | UKR | 0.50 | 1 | 0.31 | 38 | 11.78 | | | Mamantov, Margarita | | wf | 1969 | ISR | 1.00 | 1 | 0.32 | 38 | 12.16 | | | Karavaeva, Olga | | wm | 2260 | RUS | 0.00 | 1 | -0.29 | 38 | -11.02 | |
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) | | | | 13th Kiryat Ono Summer Festival Open A | Kiryat Ono | ISR | 2023-07-09 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2027 | 2101 | 1.00 | 5 | -2.05 | 38 | -77.90 | |
| | Bronstein, Or | m | | 2448 | ISR | 0.00 | 1 | -0.11 | 38 | -4.18 | | | Shilon Rahav, Eliran | | | 1871 | ISR | 0.00 | 1 | -0.79 | 38 | -30.02 | | | Hasson Shreger, Shalev | | | 1912 | ISR | 0.00 | 1 | -0.75 | 38 | -28.50 | | | Ribstein, Orel | | | 1971 | ISR | 0.00 | 1 | -0.68 | 38 | -25.84 | | | Meirovich, Ilay | | | 1935 | ISR | 1.00 | 1 | 0.28 | 38 | 10.64 | |
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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