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Individual Calculations March 2018 |
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| Zalkind, Valery Total change: -7.80 | |   |
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| Nat. Ch. Quarterfinal 2017-18 Haifa-Nesher | Nesher | ISR | 2017-11-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1879 | 1981 | 4.50 | 9 | -0.97 | 20 | -19.40 | |
|  Margovsky, Naum | | | 2003 | ISR | 0.50 | 1 | 0.03 | 20 | 0.60 | | | Sinitski, John | | | 1581 * | ISR | 1.00 | 1 | 0.08 | 20 | 1.60 | |  Pirik, Arkadi | | | 2131 | ISR | 0.00 | 1 | -0.30 | 20 | -6.00 | | | Fainberg, Boris | | | 2080 | ISR | 0.50 | 1 | 0.14 | 20 | 2.80 | | | Gov, Guy | | | 1742 | ISR | 0.00 | 1 | -0.80 | 20 | -16.00 | | | Meir, Ohad | | | 1612 | ISR | 1.00 | 1 | 0.10 | 20 | 2.00 | | | Cherikovsky, Yuri | | | 2025 | ISR | 0.00 | 1 | -0.44 | 20 | -8.80 | | | Rakita, Efim | | | 1992 | ISR | 1.00 | 1 | 0.52 | 20 | 10.40 | | | Maman, Emanuel | | | 1742 | ISR | 0.50 | 1 | -0.30 | 20 | -6.00 | | | * 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 North (Saturdays) 2018 Round 3-4 | various | ISR | 2018-02-10 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2004 | 1975 | 1.50 | 2 | 0.58 | 20 | 11.60 | |
| | Shevelevnast, Mark | | | 2023 | ISR | 0.50 | 1 | 0.07 | 20 | 1.40 | | | Mogilevsky, Alexander | | | 1985 | ISR | 1.00 | 1 | 0.51 | 20 | 10.20 | |
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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