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Individual Calculations September 2021 |
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| Katkov, Michelle Total change: -122.36 | |   |
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| 14th International Tournament of Palaiochora 2021 | Palaiochora | GRE | 2021-07-23 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1872 | 2154 | 4.50 | 9 | -2.75 | 28 | -77.00 | |
|  Skaraki, Georgia | | | 1754 * | GRE | 1.00 | 1 | 0.08 | 28 | 2.24 | |  Rychagov, Andrey | g | | 2545 | RUS | 0.00 | 1 | -0.09 | 28 | -2.52 | | | Karavitaki, Evaggelia | | | 1754 * | GRE | 0.00 | 1 | -0.92 | 28 | -25.76 | | | Karagiorgos, Nikolaos | | | 1754 * | GRE | 0.50 | 1 | -0.42 | 28 | -11.76 | | | Mavridis, Emmanouil | | | 1754 * | GRE | 1.00 | 1 | 0.08 | 28 | 2.24 | | | Mytilinis, Sokratis | | | 1847 | GRE | 0.00 | 1 | -0.86 | 28 | -24.08 | | | Evgeniadis, Georgios | | | 1754 * | GRE | 1.00 | 1 | 0.08 | 28 | 2.24 | | | Luchi, Max | | | 1931 | ITA | 0.00 | 1 | -0.78 | 28 | -21.84 | | | Ochedzan, Filip | | | 1754 * | POL | 1.00 | 1 | 0.08 | 28 | 2.24 | | | * 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) | | | | Maccabi Ramat Gan Chess Championship 2021 A | Ramat Gan | ISR | 2021-08-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2197 | 2173 | 2.50 | 5 | 0.09 | 28 | 2.52 | |
| | Caspi, Israel | m | | 2509 | ISR | 0.00 | 1 | -0.12 | 28 | -3.36 | | | Shteiman, Yuval | | | 1979 | ISR | 1.00 | 1 | 0.25 | 28 | 7.00 | | | Tsirilman, Guy | | | 2044 | ISR | 1.00 | 1 | 0.33 | 28 | 9.24 | | | Bitensky, Igor | m | | 2363 | ISR | 0.00 | 1 | -0.25 | 28 | -7.00 | | | Sherman, Reem | | | 2088 | ISR | 0.50 | 1 | -0.12 | 28 | -3.36 | |
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) | | | | European Women Chess Championship | Iasi | ROU | 2021-08-09 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2154 | 2173 | 4.00 | 11 | -1.71 | 28 | -47.88 | |
| | Maltsevskaya, Aleksandra | | wg | 2409 | RUS | 0.50 | 1 | 0.30 | 28 | 8.40 | | | Brunello, Marina | m | wg | 2379 | ITA | 0.00 | 1 | -0.24 | 28 | -6.72 | | | Trifoi, Mihaela-Ioana | | | 1806 | ROU | 1.00 | 1 | 0.10 | 28 | 2.80 | | | Mkrtchian, Lilit | m | wg | 2388 | ARM | 0.00 | 1 | -0.23 | 28 | -6.44 | | | Tsirulnik, Maritsa | | | 2046 | UKR | 0.00 | 1 | -0.67 | 28 | -18.76 | | | Hercog, Nusa | | wf | 2000 | SLO | 1.00 | 1 | 0.27 | 28 | 7.56 | | | Efroimski, Marsel | m | wg | 2446 | ISR | 0.50 | 1 | 0.33 | 28 | 9.24 | | | Pancu, Aureliana-Eugenia | | | 1862 | ROU | 1.00 | 1 | 0.14 | 28 | 3.92 | | | Mamedjarova, Zeinab | | wg | 2272 | AZE | 0.00 | 1 | -0.36 | 28 | -10.08 | | | Koubova, Anna Marie | | | 2073 | CZE | 0.00 | 1 | -0.64 | 28 | -17.92 | | | Levitan, Ronit | | wc | 2012 | ISR | 0.00 | 1 | -0.71 | 28 | -19.88 | |
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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