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Individual Calculations September 2021 |
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| Sokolovsky, Yahli Total change: 1.40 | |   |
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| Maccabi Ramat Gan Chess Championship 2021 A | Ramat Gan | ISR | 2021-08-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2240 | 2415 | 3.50 | 5 | -0.11 | 10 | -1.10 | |
|  Uritsky, Yonathan | | | 2165 | ISR | 1.00 | 1 | 0.19 | 10 | 1.90 | |  Ribshtein, Nati | m | | 2281 | ISR | 0.00 | 1 | -0.68 | 10 | -6.80 | | | Lahav, Michal | | wm | 2141 | ISR | 1.00 | 1 | 0.17 | 10 | 1.70 | | | Guz, Ari | f | | 2303 | ISR | 0.50 | 1 | -0.15 | 10 | -1.50 | | | Aizenberg, Benny | f | | 2309 | ISR | 1.00 | 1 | 0.36 | 10 | 3.60 | |
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) | | | | Max Mit Memorial 2021 A | Rishon Lezion | ISR | 2021-08-08 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2133 | 2415 | 3.00 | 4 | -0.21 | 10 | -2.10 | |
| | Gavriely, Or | | | 2015 * | ISR | 1.00 | 1 | 0.08 | 10 | 0.80 | | | Shevchenko, Lev | | | 2015 * | ISR | 1.00 | 1 | 0.08 | 10 | 0.80 | | | Kaspi, Alexander | m | | 2425 | ISR | 0.00 | 1 | -0.49 | 10 | -4.90 | | | Dvir, Ofir | | | 2075 | ISR | 1.00 | 1 | 0.12 | 10 | 1.20 | | | * 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) | | | | Elitzur GM Winter 2020 A missing game | Petah Tikva | ISR | 2021-08-17 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2387 | 2415 | 1.00 | 1 | 0.46 | 10 | 4.60 | |
| | Tzidkiya, Yeshaayahu | f | | 2387 | ISR | 1.00 | 1 | 0.46 | 10 | 4.60 | |
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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