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Individual Calculations January 2009 |
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| Chahine, Abdallah Total change: 2.00 | |   |
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| LEBANESE CHESS CHAMPIONSHIP | BEIRUT | LIB | 2007-07-25 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2163 | 2053 | 1.00 | 3 | -0.10 | 25 | -2.50 | |
|  Maasarani, Mahmoud | | | 2143 | LIB | 0.00 | 1 | -0.38 | 25 | -9.50 | |  Najjar, Ahmad | f | | 2334 | LIB | 0.00 | 1 | -0.16 | 25 | -4.00 | | | Ghassan, Houmsi | | | 2013 | LIB | 1.00 | 1 | 0.44 | 25 | 11.00 | |
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) | | | NOTE: K factor changed | | Lebanese Chess Championship 2008 | Antilias | LIB | 2008-06-06 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2162 | 2053 | 1.00 | 2 | 0.30 | 15 | 4.50 | |
| | Shamieh, Jamal | | | 2186 | LIB | 1.00 | 1 | 0.68 | 15 | 10.20 | | | Atwi, Ali | | | 2138 | LIB | 0.00 | 1 | -0.38 | 15 | -5.70 | |
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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