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Individual Calculations April 2021 |
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| Aizenberg, Benny Total change: -33.60 | |   |
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| Elitzur IM Winter 2020 B Stage 1 | Petah Tikva | ISR | 2020-12-13 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2318 | 2304 | 2.00 | 5 | -0.42 | 20 | -8.40 | |
|  Kochavi, Ori | f | | 2285 | ISR | 0.00 | 1 | -0.53 | 20 | -10.60 | |  Vagman, Roy | c | | 2108 | ISR | 0.50 | 1 | -0.25 | 20 | -5.00 | | | Kuprijanov, Anatoly | f | | 2224 | RUS | 1.00 | 1 | 0.39 | 20 | 7.80 | | | Peng, Li Min | m | | 2433 | UKR | 0.50 | 1 | 0.17 | 20 | 3.40 | | | Sivuk, Vitaly | g | | 2541 | UKR | 0.00 | 1 | -0.20 | 20 | -4.00 | |
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 C Stage 1 | Petah Tikva | ISR | 2020-12-13 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2437 | 2304 | 1.00 | 5 | -0.69 | 20 | -13.80 | |
| | Gorodetzky, Matan | f | | 2267 | ISR | 0.00 | 1 | -0.55 | 20 | -11.00 | | | Hoffmann, Yair | f | | 2324 | ISR | 1.00 | 1 | 0.53 | 20 | 10.60 | | | Peng, Li Min | m | | 2433 | UKR | 0.00 | 1 | -0.33 | 20 | -6.60 | | | Bernadskiy, Vitaliy | g | | 2619 | UKR | 0.00 | 1 | -0.14 | 20 | -2.80 | | | Sivuk, Vitaly | g | | 2541 | UKR | 0.00 | 1 | -0.20 | 20 | -4.00 | |
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 |
| 2314 | 2307 | 3.50 | 9 | -0.83 | 20 | -16.60 | |
| | Kobo, Ori | g | | 2460 | ISR | 0.00 | 1 | -0.30 | 20 | -6.00 | | | Steinberg, Nitzan | g | | 2553 | ISR | 0.00 | 1 | -0.19 | 20 | -3.80 | | | Katz, Kiril | | | 1957 | ISR | 1.00 | 1 | 0.11 | 20 | 2.20 | | | Kupervaser, Erez | f | | 2371 | ISR | 0.50 | 1 | 0.09 | 20 | 1.80 | | | Efroimski, Marsel | | wg | 2357 | ISR | 0.50 | 1 | 0.07 | 20 | 1.40 | | | Lahav, Michal | | wm | 2216 | ISR | 0.00 | 1 | -0.62 | 20 | -12.40 | | | Stolyarsky, Yegor | | | 2063 | ISR | 1.00 | 1 | 0.20 | 20 | 4.00 | | | Dvoirys, Semen I. | g | | 2483 | RUS | 0.00 | 1 | -0.27 | 20 | -5.40 | | | Ben Artzi, Ido | m | | 2368 | ISR | 0.50 | 1 | 0.08 | 20 | 1.60 | |
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) | | | | Israel Youth Championship Finals 2021 U16 - Israel Eshel Memorial | Hakfar Hayarok | ISR | 2021-03-19 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2165 | 2307 | 6.00 | 9 | 0.26 | 20 | 5.20 | |
| | Gleizer, Adar | | | 1907 * | ISR | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Tal-Shahar, Liam | | | 1907 * | ISR | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Rozen, Eytan | m | | 2399 | ISR | 0.50 | 1 | 0.13 | 20 | 2.60 | | | Hoffmann, Yair | f | | 2352 | ISR | 1.00 | 1 | 0.56 | 20 | 11.20 | | | Levin, Guy | f | | 2355 | ISR | 0.00 | 1 | -0.43 | 20 | -8.60 | | | Yaniv, Yuval | f | | 2272 | ISR | 0.50 | 1 | -0.05 | 20 | -1.00 | | | Sokolovsky, Yahli | f | | 2472 | ISR | 0.00 | 1 | -0.28 | 20 | -5.60 | | | Zaromb, Charles Irving | | | 1907 * | ISR | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Rivlin, Shachar | | | 1918 | ISR | 1.00 | 1 | 0.09 | 20 | 1.80 | | | * 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) | | |
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