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Individual Calculations May 2021 |
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| Rozen, Eytan Total change: -20.90 | |   |
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| Israeli youth league playoffs stage 2 | Various | ISR | 2021-04-08 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2209 | 2386 | 1.00 | 2 | -0.40 | 10 | -4.00 | |
|  Tzidkiya, Yeshaayahu | f | | 2375 | ISR | 0.00 | 1 | -0.52 | 10 | -5.20 | |  Iliaguev, Daniel | | | 2042 | ISR | 1.00 | 1 | 0.12 | 10 | 1.20 | |
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) | | | | Elitzur GM Winter 2020 A Stage 2 | Petah Tikva | ISR | 2021-04-11 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2407 | 2386 | 1.00 | 4 | -0.89 | 10 | -8.90 | |
| | Zlatin, Alexander | f | | 2329 | ISR | 0.50 | 1 | -0.08 | 10 | -0.80 | | | Flom, Gabriel | g | | 2483 | FRA | 0.00 | 1 | -0.37 | 10 | -3.70 | | | Tzidkiya, Yeshaayahu | f | | 2375 | ISR | 0.50 | 1 | -0.02 | 10 | -0.20 | | | Sokolovsky, Yahli | f | | 2442 | ISR | 0.00 | 1 | -0.42 | 10 | -4.20 | |
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) | | | | Israeli national league. Rounds 1-2 | Various | ISR | 2021-04-22 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2463 | 2386 | 0.00 | 2 | -0.80 | 10 | -8.00 | |
| | Boruchovsky, Avital | g | | 2547 | ISR | 0.00 | 1 | -0.29 | 10 | -2.90 | | | Efroimski, Marsel | | wg | 2378 | ISR | 0.00 | 1 | -0.51 | 10 | -5.10 | |
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) | | |
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