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Rapid:
Individual Calculations December 2018 |
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| Zilberman, Yaacov Total change: -45.60 | |   |
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| Israel Rapid Championship 2018 for Seniors - 50 | Jaffa | ISR | 2018-10-31 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2198 | 2329 | 4.50 | 6 | 0.68 | 20 | 13.60 | |
|  Reem, Meir | | | 1929 * | ISR | 1.00 | 1 | 0.08 | 20 | 1.60 | |  Levin, Natan | | | 1929 * | ISR | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Gruenfeld, Yehuda | g | | 2408 | ISR | 0.50 | 1 | 0.11 | 20 | 2.20 | | | Kantsler, Boris | g | | 2449 | ISR | 0.50 | 1 | 0.16 | 20 | 3.20 | | | Lovin, Boris | | | 2231 | ISR | 0.50 | 1 | -0.13 | 20 | -2.60 | | | Bykhovsky, Avigdor | g | | 2240 | RUS | 1.00 | 1 | 0.38 | 20 | 7.60 | | | * 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) | | | | Shachar Arad Memorial - Rapid 24.11.2018 A | Kfar Saba | ISR | 2018-11-24 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1970 | 2329 | 1.50 | 5 | -2.96 | 20 | -59.20 | |
| | Zemach, Roee | | | 1930 | ISR | 0.00 | 1 | -0.92 | 20 | -18.40 | | | Guz, Ari | | | 1929 * | ISR | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Musyuk, Lior | | | 2046 | ISR | 0.00 | 1 | -0.84 | 20 | -16.80 | | | Shtemler, Lavi | | | 2018 | ISR | 0.50 | 1 | -0.36 | 20 | -7.20 | | | Gorshtein, Asaf | | | 1929 * | ISR | 0.00 | 1 | -0.92 | 20 | -18.40 | | | * 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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