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Individual Calculations March 2015 |
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| Zak, Arad Total change: 1.60 | |   |
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| Jerusalem Championship 2015 | Jerusalem | ISR | 2015-01-05 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1970 | 2061 | 6.00 | 9 | 0.57 | 20 | 11.40 | |
|  Jonas, Joseph | | | 1661 * | FRA | 1.00 | 1 | 0.08 | 20 | 1.60 | |  Don-Yehia, Nadav | | | 1782 | ISR | 1.00 | 1 | 0.16 | 20 | 3.20 | | | Slonimskij, Arkadij | | | 2176 | RUS | 1.00 | 1 | 0.66 | 20 | 13.20 | | | Vaisberg, Michael | | | 2136 | ISR | 0.00 | 1 | -0.40 | 20 | -8.00 | | | Levin, Natan | | | 1869 | ISR | 0.50 | 1 | -0.25 | 20 | -5.00 | | | Nareznoy, David | | | 2069 | ISR | 0.00 | 1 | -0.49 | 20 | -9.80 | | | Wenger, Jacques | | | 1893 | BEL | 1.00 | 1 | 0.28 | 20 | 5.60 | | | Prvadivets, Vladimir | | | 1965 | ISR | 0.50 | 1 | -0.13 | 20 | -2.60 | | | Telesin, Yulius | | | 2182 | ISR | 1.00 | 1 | 0.66 | 20 | 13.20 | | | * 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) | | | | Liga Alef Shfela 2015 Round 1-3 | various | ISR | 2015-01-24 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2068 | 2061 | 0.00 | 1 | -0.49 | 20 | -9.80 | |
| | Zlatin, Alexander | | | 2068 | ISR | 0.00 | 1 | -0.49 | 20 | -9.80 | |
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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