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Individual Calculations May 2018 |
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| Petrushinsky, Ilya Total change: -2.40 | |   |
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| Nat. Ch. Quarterfinal 2018 Rehovot | Rehovot | ISR | 2018-01-22 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1981 | 1984 | 4.50 | 10 | -0.56 | 20 | -11.20 | |
|  Gorodetzky, Matan | | | 2060 | ISR | 0.00 | 1 | -0.40 | 20 | -8.00 | |  Stolyarsky, Yegor | | | 1907 | ISR | 0.50 | 1 | -0.11 | 20 | -2.20 | | | Kunin, Michael | | | 2101 | ISR | 0.50 | 1 | 0.16 | 20 | 3.20 | | | Katkov, Michelle | | wf | 1838 | ISR | 1.00 | 1 | 0.30 | 20 | 6.00 | | | Kereth, Oren | | | 1997 | ISR | 0.50 | 1 | 0.02 | 20 | 0.40 | | | Gorodetzky, Matan | | | 2060 | ISR | 1.00 | 1 | 0.60 | 20 | 12.00 | | | Stolyarsky, Yegor | | | 1907 | ISR | 0.00 | 1 | -0.61 | 20 | -12.20 | | | Kunin, Michael | | | 2101 | ISR | 0.50 | 1 | 0.16 | 20 | 3.20 | | | Katkov, Michelle | | wf | 1838 | ISR | 0.50 | 1 | -0.20 | 20 | -4.00 | | | Kereth, Oren | | | 1997 | ISR | 0.00 | 1 | -0.48 | 20 | -9.60 | |
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 Bet Rishon Lezion-Rehovot 2018 Round 6-7 | various | ISR | 2018-04-14 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1748 | 1969 | 2.00 | 2 | 0.44 | 20 | 8.80 | |
| | Pelech, Roee | | | 1758 | ISR | 1.00 | 1 | 0.23 | 20 | 4.60 | | | Zilbershtein, Victor | | | 1738 | ISR | 1.00 | 1 | 0.21 | 20 | 4.20 | |
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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