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Individual Calculations January 2018 |
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| Cohen, Ziv Total change: -4.20 | |   |
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| Nat. Ch. 1-8 final 2017 Rishon Lezion | Rishon Lezion | ISR | 2017-10-16 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1628 | 1792 | 6.00 | 9 | -0.21 | 20 | -4.20 | |
|  Kostavetsky, Alexander | | | 1535 | ISR | 1.00 | 1 | 0.18 | 20 | 3.60 | |  Alon, Levi | | | 1736 | ISR | 0.00 | 1 | -0.58 | 20 | -11.60 | | | Kushnir, Arie | | | 1411 | ISR | 1.00 | 1 | 0.09 | 20 | 1.80 | | | Samarin, Leonid | | | 1670 | ISR | 1.00 | 1 | 0.33 | 20 | 6.60 | | | Federovski, Yael | | | 1614 | ISR | 1.00 | 1 | 0.27 | 20 | 5.40 | | | Waisberg, Arnold | | | 1833 | ISR | 0.50 | 1 | 0.06 | 20 | 1.20 | | | Pelech, Roee | | | 1551 | ISR | 0.50 | 1 | -0.30 | 20 | -6.00 | | | Fadida, Yehonatan | | | 1902 | ISR | 1.00 | 1 | 0.65 | 20 | 13.00 | | | Raiko, Gal | | | 1402 | ISR | 0.00 | 1 | -0.91 | 20 | -18.20 | |
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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