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Individual Calculations July 2018 |
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| Zemach, Roee Total change: 19.20 | |   |
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| Herzliya Spring A 2018 | Herzliya | ISR | 2018-04-09 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1903 | 2078 | 5.50 | 9 | -0.88 | 40 | -35.20 | |
|  Guz, Ari | | | 1749 | ISR | 0.50 | 1 | -0.38 | 40 | -15.20 | |  Cnaan, Moshe | | | 1995 | ISR | 1.00 | 1 | 0.39 | 40 | 15.60 | | | Horowitz, Guy | | | 1686 | ISR | 1.00 | 1 | 0.08 | 40 | 3.20 | | | Golberg, Igor | | | 2138 | ISR | 0.00 | 1 | -0.42 | 40 | -16.80 | | | Parnes, Nadav | | | 1920 | ISR | 0.00 | 1 | -0.71 | 40 | -28.40 | | | Khanin, Nikita | | | 1866 | ISR | 1.00 | 1 | 0.23 | 40 | 9.20 | | | Ben Ari, Yannay | | | 1995 | ISR | 0.50 | 1 | -0.11 | 40 | -4.40 | | | Kinberg, Ofer | | | 1988 | ISR | 0.50 | 1 | -0.12 | 40 | -4.80 | | | Shocron, Alon | | | 1791 | ISR | 1.00 | 1 | 0.16 | 40 | 6.40 | |
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) | | | | Mark Center Tuesdays Spring 2018 A | Tel Aviv | ISR | 2018-05-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2076 | 2098 | 4.50 | 7 | 0.81 | 40 | 32.40 | |
| | Guz, Ari | | | 1773 | ISR | 1.00 | 1 | 0.13 | 40 | 5.20 | | | Shetah, Roi | | | 1981 | ISR | 1.00 | 1 | 0.34 | 40 | 13.60 | | | Kraus, Ohad | | | 2338 | ISR | 0.00 | 1 | -0.20 | 40 | -8.00 | | | Ehrlich, Roy | | | 1877 | ISR | 0.50 | 1 | -0.28 | 40 | -11.20 | | | Amit, Eli | | | 2025 | ISR | 1.00 | 1 | 0.40 | 40 | 16.00 | | | Zilberman, Yaacov | g | | 2374 | ISR | 1.00 | 1 | 0.83 | 40 | 33.20 | | | Shabtai, Ran | f | | 2166 | ISR | 0.00 | 1 | -0.41 | 40 | -16.40 | |
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) | | | | Israel League Playoffs | Various | ISR | 2018-05-31 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2132 | 2098 | 1.00 | 1 | 0.55 | 40 | 22.00 | |
| | Pirik, Arkadi | | | 2132 | ISR | 1.00 | 1 | 0.55 | 40 | 22.00 | |
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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