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Individual Calculations January 2012 |
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| Erenberg, Ariel Total change: -3.30 | |   |
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| KFS Championship 2011 | Kfar Saba | ISR | 2011-09-17 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1979 | 1854 | 2.50 | 7 | 0.13 | 30 | 3.90 | |
|  Pletner, Valery | | | 2083 | ISR | 0.00 | 1 | -0.21 | 30 | -6.30 | |  Gorelikov, Israel | | | 1994 | ISR | 0.50 | 1 | 0.19 | 30 | 5.70 | | | Paz, Arnon | | | 1843 | ISR | 0.00 | 1 | -0.52 | 30 | -15.60 | | | Shani, Amichai | | | 2089 | ISR | 0.00 | 1 | -0.21 | 30 | -6.30 | | | Patishi, Asaf | | | 1974 | ISR | 1.00 | 1 | 0.66 | 30 | 19.80 | | | Cohen, Ofer | | | 1916 | ISR | 1.00 | 1 | 0.59 | 30 | 17.70 | | | Striechman, Orri | | | 1951 | ISR | 0.00 | 1 | -0.37 | 30 | -11.10 | |
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) | | | | Stav Rishon 2011 | Rishon Le-Zion | ISR | 2011-09-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1960 | 1854 | 1.00 | 3 | -0.10 | 30 | -3.00 | |
| | Linik, Yaron | | | 2104 | ISR | 0.00 | 1 | -0.19 | 30 | -5.70 | | | Podolyak, Vadim | | | 2008 | ISR | 0.00 | 1 | -0.29 | 30 | -8.70 | | | Samarin, Leonid | | | 1769 | ISR | 1.00 | 1 | 0.38 | 30 | 11.40 | |
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) | | | NOTE: K factor changed | | Israel U18 League 2012 | Various | ISR | 2011-10-28 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2019 | 1854 | 0.00 | 1 | -0.28 | 15 | -4.20 | |
| | Brenner, Stav | | | 2019 | ISR | 0.00 | 1 | -0.28 | 15 | -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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