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Individual Calculations April 2021 |
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| Michaeli, Omri Total change: 48.80 | |   |
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| Israel youth league playoffs stage 1 | Various | ISR | 2020-12-13 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1213 | 1610 | 1.00 | 1 | 0.08 | 40 | 3.20 | |
|  Rosenberg, Guy | | | 1213 | ISR | 1.00 | 1 | 0.08 | 40 | 3.20 | |
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) | | | | Liga Artzit Lenoar Gush Dan 2021 Group B Rounds 2-3 | Varilus | ISR | 2021-03-13 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1393 | 1592 | 2.00 | 2 | 0.49 | 40 | 19.60 | |
| | Dunaevsky, Matan | | | 1357 | ISR | 1.00 | 1 | 0.21 | 40 | 8.40 | | | Bishara, Omar | | | 1429 | ISR | 1.00 | 1 | 0.28 | 40 | 11.20 | |
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) | | | | Israel Youth Championship Finals 2021 U14 - Israel Eshel Memorial | Hakfar Hayarok | ISR | 2021-03-19 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1566 | 1592 | 5.50 | 9 | 0.65 | 40 | 26.00 | |
| | Sapir, Eytan | | | 1226 | ISR | 1.00 | 1 | 0.10 | 40 | 4.00 | |  Gilev, Arthur | | | 1192 * | ISR | 1.00 | 1 | 0.08 | 40 | 3.20 | | | Ater, Yuval | | | 1687 | ISR | 0.00 | 1 | -0.37 | 40 | -14.80 | | | Blonder, Daniel | | | 1390 | ISR | 1.00 | 1 | 0.24 | 40 | 9.60 | | | Wul, Kfir | | | 1379 | ISR | 1.00 | 1 | 0.23 | 40 | 9.20 | | | Vagman, Roy | c | | 1992 * | ISR | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Uritsky, Yonathan | | | 1992 * | ISR | 0.50 | 1 | 0.42 | 40 | 16.80 | | | Gal, Yoav | | | 1242 * | ISR | 1.00 | 1 | 0.11 | 40 | 4.40 | | | Milikow, Elie | c | | 1992 * | ISR | 0.00 | 1 | -0.08 | 40 | -3.20 | | | * 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) | | |
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