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Individual Calculations July 2015 |
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| Bar-Or, Ornan Total change: 22.40 | |   |
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| Liga Alef Shfela 2015 Round 7-9 | various | ISR | 2015-05-02 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2002 | 1882 | 1.00 | 3 | -0.02 | 20 | -0.40 | |
|  Elinson, Eliahu | | | 2110 | ISR | 0.00 | 1 | -0.21 | 20 | -4.20 | |  Friedland, Moshe | | | 1931 | ISR | 0.50 | 1 | 0.07 | 20 | 1.40 | | | Gabizon, Eyal | | | 1966 | ISR | 0.50 | 1 | 0.12 | 20 | 2.40 | |
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) | | | | Mark Centre Spring 2015 | Tel Aviv | ISR | 2015-05-05 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1959 | 1882 | 4.00 | 7 | 1.14 | 20 | 22.80 | |
| | Fogel, Jacques | | | 1686 | ISR | 1.00 | 1 | 0.25 | 20 | 5.00 | | | Zak, Uriel | m | | 2261 | ISR | 0.00 | 1 | -0.09 | 20 | -1.80 | | | Zilbershtein, Victor | | | 1821 | ISR | 1.00 | 1 | 0.42 | 20 | 8.40 | | | Hadari, Ariel | | | 2025 | ISR | 0.00 | 1 | -0.31 | 20 | -6.20 | | | Domensky, Arkadi | | | 1892 | ISR | 1.00 | 1 | 0.51 | 20 | 10.20 | | | Marcovici, Adrian | | | 2008 | ISR | 0.00 | 1 | -0.33 | 20 | -6.60 | | | Amit, Eli | | | 2023 | ISR | 1.00 | 1 | 0.69 | 20 | 13.80 | |
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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