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Individual Calculations July 2023 |
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| Kahan, Sami Total change: -48.40 | |   |
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| Nahariya Prestige | Nahariya | ISR | 2023-04-24 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1371 | 1515 | 1.50 | 3 | -0.55 | 20 | -11.00 | |
|  Farag, Gilad | | | 1507 | ISR | 0.00 | 1 | -0.51 | 20 | -10.20 | | | Fadida, Rachel | | | 1334 | ISR | 0.50 | 1 | -0.24 | 20 | -4.80 | |  Katsav, Daniel | | | 1271 | ISR | 1.00 | 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) | | | | Reuven Minsker Memorial 2023 Open B | Haifa | ISR | 2023-04-30 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1447 | 1515 | 1.00 | 5 | -1.87 | 20 | -37.40 | |
| | Rinberg, David | | | 1634 | ISR | 0.50 | 1 | 0.16 | 20 | 3.20 | | | Grechin, Yan | | | 1160 | ISR | 0.00 | 1 | -0.89 | 20 | -17.80 | | | Gartenflus, Alexsandr | | | 1500 | ISR | 0.00 | 1 | -0.52 | 20 | -10.40 | | | Vainshtein, Yakir | | | 1476 | ISR | 0.50 | 1 | -0.05 | 20 | -1.00 | | | Smilovich, Eli | | | 1467 | ISR | 0.00 | 1 | -0.57 | 20 | -11.40 | |
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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