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Rapid:
Individual Calculations December 2018 |
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| Grinberg, Yaacov Total change: 22.20 | |   |
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| Israel Rapid Championship 2018 for Seniors - 65 | Jaffa | ISR | 2018-10-31 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1878 | 1646 | 2.50 | 6 | 1.11 | 20 | 22.20 | |
|  Margovsky, Naum | | | 2023 | ISR | 0.00 | 1 | -0.09 | 20 | -1.80 | |  Rave, Avraham | | | 1798 | ISR | 1.00 | 1 | 0.70 | 20 | 14.00 | | | Penzias, Moti | | | 1965 | ISR | 0.50 | 1 | 0.37 | 20 | 7.40 | | | Gerchikov, Pavel | | | 1943 | ISR | 0.00 | 1 | -0.15 | 20 | -3.00 | | | Kahan, Sami | | | 1588 | ISR | 1.00 | 1 | 0.42 | 20 | 8.40 | | | Kremer, Pavel | | | 1952 | ISR | 0.00 | 1 | -0.14 | 20 | -2.80 | |
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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