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Individual Calculations April 2021 |
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| Rozen, Eytan Total change: -12.60 | |   |
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| Elitzur GM Winter 2020 A Stage 1 | Petah Tikva | ISR | 2020-12-13 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2464 | 2397 | 0.50 | 5 | -1.57 | 10 | -15.70 | |
|  Bronstein, Or | m | | 2427 | ISR | 0.00 | 1 | -0.46 | 10 | -4.60 | | | Bernadskiy, Vitaliy | g | | 2619 | UKR | 0.00 | 1 | -0.22 | 10 | -2.20 | | | Sivuk, Vitaly | g | | 2541 | UKR | 0.50 | 1 | 0.19 | 10 | 1.90 | |  Milikow, Yoav | f | | 2302 | ISR | 0.00 | 1 | -0.63 | 10 | -6.30 | | | Peng, Li Min | m | | 2433 | UKR | 0.00 | 1 | -0.45 | 10 | -4.50 | |
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 Open Championship Finals 2020 | Haifa | ISR | 2021-03-07 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2425 | 2399 | 4.00 | 9 | -0.14 | 10 | -1.40 | |
| | Stolyarsky, Yegor | | | 2063 | ISR | 1.00 | 1 | 0.12 | 10 | 1.20 | | | Postny, Evgeny | g | | 2605 | ISR | 0.50 | 1 | 0.26 | 10 | 2.60 | | | Mikhalevski, Victor | g | | 2552 | ISR | 0.50 | 1 | 0.20 | 10 | 2.00 | | | Steinberg, Nitzan | g | | 2553 | ISR | 1.00 | 1 | 0.71 | 10 | 7.10 | | | Gorodetzky, David | m | | 2495 | ISR | 0.50 | 1 | 0.13 | 10 | 1.30 | | | Gorshtein, Ido | f | | 2387 | ISR | 0.00 | 1 | -0.52 | 10 | -5.20 | | | Kobo, Ori | g | | 2460 | ISR | 0.00 | 1 | -0.42 | 10 | -4.20 | | | Solomon, Asif | f | | 2356 | ISR | 0.00 | 1 | -0.56 | 10 | -5.60 | | | Efroimski, Marsel | | wg | 2357 | ISR | 0.50 | 1 | -0.06 | 10 | -0.60 | |
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) | | | | Liga Ilit Lenoar 2021 Group B Rounds 2-3 | Various | ISR | 2021-03-13 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2030 | 2399 | 2.00 | 2 | 0.20 | 10 | 2.00 | |
| | Uritsky, Yonathan | | | 2060 | ISR | 1.00 | 1 | 0.12 | 10 | 1.20 | | | Neerman, Roy | | | 1999 * | ISR | 1.00 | 1 | 0.08 | 10 | 0.80 | | | * 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) | | | | Israel Youth Championship Finals 2021 U16 - Israel Eshel Memorial | Hakfar Hayarok | ISR | 2021-03-19 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2229 | 2399 | 6.50 | 9 | 0.25 | 10 | 2.50 | |
| | Shteiman, Yuval | | | 1999 * | ISR | 1.00 | 1 | 0.08 | 10 | 0.80 | | | Leib, Daniel | | | 2058 | ISR | 1.00 | 1 | 0.12 | 10 | 1.20 | | | Aizenberg, Benny | f | | 2307 | ISR | 0.50 | 1 | -0.13 | 10 | -1.30 | | | Levin, Guy | f | | 2355 | ISR | 0.00 | 1 | -0.56 | 10 | -5.60 | | | Musyuk, Lior | f | | 2300 | ISR | 0.50 | 1 | -0.14 | 10 | -1.40 | | | Zaromb, Charles Irving | | | 1999 * | ISR | 1.00 | 1 | 0.08 | 10 | 0.80 | | | Yaniv, Yuval | f | | 2272 | ISR | 1.00 | 1 | 0.33 | 10 | 3.30 | | | Sokolovsky, Yahli | f | | 2472 | ISR | 0.50 | 1 | 0.10 | 10 | 1.00 | | | Guz, Ari | f | | 2302 | ISR | 1.00 | 1 | 0.37 | 10 | 3.70 | | | * 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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