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Individual Calculations January 2018 |
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| Koren, Yair Total change: 45.60 | |   |
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| Kfar Saba Autumn 2017 | Kfar Saba | ISR | 2017-10-14 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1645 | 1402 | 1.00 | 3 | 0.31 | 40 | 12.40 | |
|  Ashkenazi, Dror | | | 1758 | ISR | 0.00 | 1 | -0.11 | 40 | -4.40 | |  Arvily, Itay | | | 1422 | ISR | 1.00 | 1 | 0.53 | 40 | 21.20 | | | Lifshits, Raz | | | 1754 | ISR | 0.00 | 1 | -0.11 | 40 | -4.40 | |
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) | | | | Liga Noar Artzit Center 2017-18 Round 5-7 | various | ISR | 2017-12-02 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1662 | 1422 | 1.50 | 3 | 0.83 | 40 | 33.20 | |
| | Vagman, Roy | | | 1499 | ISR | 0.50 | 1 | 0.11 | 40 | 4.40 | | | Vetshtein, Lior | | | 1664 | ISR | 1.00 | 1 | 0.80 | 40 | 32.00 | | | Avineri, Paz | | | 1822 * | ISR | 0.00 | 1 | -0.08 | 40 | -3.20 | | | * 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) | | |
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