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Individual Calculations January 2014 |
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| Cohen, Itay Total change: -42.60 | |   |
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| Israel U18 Team Champ 2013 | various | ISR | 2013-10-25 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2087 | 1919 | 0.50 | 6 | -1.32 | 30 | -39.60 | |
|  Reshef, Omer | | | 2237 | ISR | 0.00 | 1 | -0.13 | 30 | -3.90 | |  Poleg, Matan | | | 2077 | ISR | 0.00 | 1 | -0.29 | 30 | -8.70 | | | Bernshtein, Tomer | | | 1898 | ISR | 0.50 | 1 | -0.03 | 30 | -0.90 | | | Mindlin, Alon | | | 2286 | ISR | 0.00 | 1 | -0.10 | 30 | -3.00 | | | Ofir, Eran | | | 1876 | ISR | 0.00 | 1 | -0.56 | 30 | -16.80 | | | Veinberg, Nimrod | | | 2147 | ISR | 0.00 | 1 | -0.21 | 30 | -6.30 | |
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) | | | | Quarter Final Champ 2013 Kiryat-Ono / Ganei-Tikva | Ganei Tikva | ISR | 2013-11-03 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1964 | 1919 | 3.00 | 7 | -0.10 | 30 | -3.00 | |
| | Ben-Natan, Yigal | | | 2084 | ISR | 0.00 | 1 | -0.28 | 30 | -8.40 | | | Alperovich, Asher | | | 2072 | ISR | 1.00 | 1 | 0.70 | 30 | 21.00 | | | Westreich, Itay | | | 1913 | ISR | 0.50 | 1 | -0.01 | 30 | -0.30 | | | Elchanati, Alon | | | 2145 | ISR | 0.00 | 1 | -0.21 | 30 | -6.30 | | | Dovev, Noam | | | 1785 | ISR | 1.00 | 1 | 0.32 | 30 | 9.60 | | | Kali, Omer | | | 1919 | ISR | 0.00 | 1 | -0.50 | 30 | -15.00 | | | Altshul, Limor | | | 1833 | ISR | 0.50 | 1 | -0.12 | 30 | -3.60 | |
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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