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Individual Calculations May 2023 |
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| Vagman, Roy Total change: -9.00 | |   |
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| Israel Youth Championship under 16- 2023 | Israel | ISR | 2023-03-28 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1888 | 2298 | 7.00 | 9 | -1.19 | 20 | -23.80 | |
|  Soybert, Ori | | | 1784 | ISR | 1.00 | 1 | 0.04 | 20 | 0.80 | |  Duchan, Yoav | | | 1829 | ISR | 1.00 | 1 | 0.05 | 20 | 1.00 | | | Bilenkiy, Maksym | | | 1890 | ISR | 0.00 | 1 | -0.92 | 20 | -18.40 | | | Blonder, Daniel | | | 1796 | ISR | 1.00 | 1 | 0.04 | 20 | 0.80 | | | Menahem, Adi | | | 2090 | ISR | 0.00 | 1 | -0.77 | 20 | -15.40 | | | Leib, Yoni | | | 1898 * | ISR | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Medovoy, Yaniv | | | 1887 | ISR | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Pevzner, Maks | | | 2028 | ISR | 1.00 | 1 | 0.17 | 20 | 3.40 | | | Michaeli, Omri | | | 1788 | ISR | 1.00 | 1 | 0.04 | 20 | 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) | | | | Israeli Arzit League Merkaz 2023 7 | Israel | ISR | 2023-04-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2465 | 2282 | 1.00 | 1 | 0.74 | 20 | 14.80 | |
| | Zifroni, Dov | g | | 2465 | ISR | 1.00 | 1 | 0.74 | 20 | 14.80 | |
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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