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Individual Calculations April 2021 |
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| Gorodetzky, Matan Total change: -14.20 | |   |
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| Elitzur GM Winter 2020 C Stage 1 | Petah Tikva | ISR | 2020-12-13 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2424 | 2267 | 1.00 | 7 | -1.16 | 20 | -23.20 | |
|  Aizenberg, Benny | f | | 2304 | ISR | 1.00 | 1 | 0.55 | 20 | 11.00 | | | Dvoirys, Semen I. | g | | 2480 | RUS | 0.00 | 1 | -0.23 | 20 | -4.60 | | | Bernadskiy, Vitaliy | g | | 2619 | UKR | 0.00 | 1 | -0.11 | 20 | -2.20 | |  Sivuk, Vitaly | g | | 2541 | UKR | 0.00 | 1 | -0.17 | 20 | -3.40 | | | Musyuk, Lior | f | | 2285 | ISR | 0.00 | 1 | -0.47 | 20 | -9.40 | | | Peng, Li Min | m | | 2433 | UKR | 0.00 | 1 | -0.28 | 20 | -5.60 | | | Guz, Ari | f | | 2305 | ISR | 0.00 | 1 | -0.45 | 20 | -9.00 | |
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) | | | | Liga Ilit Lenoar 2021 Group B Rounds 2-3 | Various | ISR | 2021-03-13 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1910 | 2253 | 1.50 | 2 | -0.26 | 20 | -5.20 | |
| | Neerman, Roy | | | 1853 * | ISR | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Shapira, Gal | | | 1966 | ISR | 0.50 | 1 | -0.34 | 20 | -6.80 | | | * 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 U18 - Israel Eshel Memorial | Hakfar Hayarok | ISR | 2021-03-19 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2224 | 2253 | 5.50 | 9 | 0.71 | 20 | 14.20 | |
| | Neiman, Maks | | | 1993 | ISR | 1.00 | 1 | 0.18 | 20 | 3.60 | | | Globus, Or | f | | 2401 | ISR | 0.50 | 1 | 0.20 | 20 | 4.00 | | | Cohen Revivo, Shoham | f | | 2171 | ISR | 1.00 | 1 | 0.39 | 20 | 7.80 | | | Zemach, Roee | f | | 2292 | ISR | 0.50 | 1 | 0.05 | 20 | 1.00 | | | Tzidkiya, Yeshaayahu | f | | 2380 | ISR | 0.00 | 1 | -0.33 | 20 | -6.60 | | | Iliaguev, Daniel | | | 2103 | ISR | 1.00 | 1 | 0.30 | 20 | 6.00 | | | Ben Ari, Yannay | f | | 2403 | ISR | 0.50 | 1 | 0.20 | 20 | 4.00 | | | Kochavi, Ori | f | | 2273 | ISR | 1.00 | 1 | 0.53 | 20 | 10.60 | | | Ehrlich, Roy | | | 2004 | ISR | 0.00 | 1 | -0.81 | 20 | -16.20 | |
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) | | |
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