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Individual Calculations April 2009 |
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| Bar, Aviv Total change: 25.75 | |   |
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| Israel U20 League 2009 | Various | ISR | 2008-11-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2088 | 1870 | 1.00 | 1 | 0.78 | 25 | 19.50 | |
|  Shimonovich, Yoav | | | 2088 | ISR | 1.00 | 1 | 0.78 | 25 | 19.50 | |
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) | | | | Ashdod Festival 2008 | Ashdod | ISR | 2008-12-23 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2083 | 1870 | 1.50 | 5 | 0.25 | 25 | 6.25 | |
| | Zak, Uriel | m | | 2220 | ISR | 0.00 | 1 | -0.11 | 25 | -2.75 | |  Mordechai, Hanan | | | 2149 | ISR | 0.00 | 1 | -0.16 | 25 | -4.00 | | | Gerchikov, Pavel | | | 2114 | ISR | 0.50 | 1 | 0.30 | 25 | 7.50 | | | Zalkind, Konstantin | f | | 2149 | ISR | 0.00 | 1 | -0.16 | 25 | -4.00 | | | Klein, Rafael | | | 1784 | ISR | 1.00 | 1 | 0.38 | 25 | 9.50 | |
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) | | |
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