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Individual Calculations April 2009 |
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| Efroimski, Marsel Total change: 10.80 | |   |
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| KFS Stav 2008 Rashit | Kfar Saba | ISR | 2008-10-04 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2008 | 2052 | 3.50 | 6 | 0.14 | 15 | 2.10 | |
|  Filosof, Asi | | | 1989 | ISR | 0.00 | 1 | -0.59 | 15 | -8.85 | |  Cohen, Ofer | | | 1939 | ISR | 1.00 | 1 | 0.35 | 15 | 5.25 | | | Patishi, Asaf | | | 1953 | ISR | 0.50 | 1 | -0.14 | 15 | -2.10 | | | Portnoy, Matan | | | 1969 | ISR | 1.00 | 1 | 0.39 | 15 | 5.85 | | | Klevinskiy, David | | | 2148 | ISR | 0.00 | 1 | -0.37 | 15 | -5.55 | | | Pletner, Valery | | | 2049 | ISR | 1.00 | 1 | 0.50 | 15 | 7.50 | |
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 U20 League 2009 | Various | ISR | 2008-11-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2110 | 2052 | 1.00 | 1 | 0.58 | 15 | 8.70 | |
| | Shusterman, Mark | | | 2110 | ISR | 1.00 | 1 | 0.58 | 15 | 8.70 | |
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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