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Individual Calculations April 2018 |
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| Tamarin, Yefim Total change: -44.60 | |   |
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| Nat. Ch. Quarterfinal 2017-18 Kiryat Bialik | Kiryat Bialik | ISR | 2017-12-07 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1846 | 2138 | 5.00 | 9 | -2.51 | 20 | -50.20 | |
|  Maman, Emanuel | | | 1788 | ISR | 1.00 | 1 | 0.11 | 20 | 2.20 | |  Dayan, Prosper | | | 1796 | ISR | 0.00 | 1 | -0.88 | 20 | -17.60 | | | Leibovich, Semion | | | 2081 | ISR | 0.00 | 1 | -0.58 | 20 | -11.60 | | | Levitan, Shon | | | 1902 | ISR | 0.00 | 1 | -0.80 | 20 | -16.00 | | | Mautner, Nachum | | | 1829 | ISR | 1.00 | 1 | 0.14 | 20 | 2.80 | | | Hajaj, Ariel | | | 1874 | ISR | 0.00 | 1 | -0.82 | 20 | -16.40 | | | Gov, Guy | | | 1759 | ISR | 1.00 | 1 | 0.09 | 20 | 1.80 | | | Weintraub, Amit | | | 1775 | ISR | 1.00 | 1 | 0.10 | 20 | 2.00 | | | Kotler, Zvi | | | 1812 | ISR | 1.00 | 1 | 0.13 | 20 | 2.60 | |
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 (Thursdays) 2018 Round 5-6 | various | ISR | 2018-03-08 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1986 | 2156 | 1.00 | 1 | 0.28 | 20 | 5.60 | |
| | Kopelevich, Boris | | | 1986 | ISR | 1.00 | 1 | 0.28 | 20 | 5.60 | |
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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