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Individual Calculations January 2013 |
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| Humrana, Mostafa Total change: -11.10 | |   |
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| Libyan Chess League 2012 ( 1st Division ) | Tripoli | LBA | 2012-11-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2281 | 2058 | 1.00 | 3 | 0.25 | 15 | 3.75 | |
|  Labib, Ibrahim Hasan | m | | 2415 | EGY | 0.00 | 1 | -0.11 | 15 | -1.65 | |  El-Gehani, Ghassan | | | 2054 | LBA | 1.00 | 1 | 0.49 | 15 | 7.35 | | | Njili, Kamel | f | | 2374 | TUN | 0.00 | 1 | -0.13 | 15 | -1.95 | |
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) | | | | Mortal / Loai Shneshaa | Tripoli | LBA | 2012-11-05 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2062 | 2058 | 3.50 | 9 | -0.99 | 15 | -14.85 | |
| | Ben Nasser, Khaled | f | | 2215 | LBA | 0.00 | 1 | -0.29 | 15 | -4.35 | | | Elnaami, Hashem A.k. | | | 1833 | LBA | 0.50 | 1 | -0.28 | 15 | -4.20 | | | Sadaga, Salah | | | 2090 | LBA | 0.00 | 1 | -0.46 | 15 | -6.90 | | | Alarbi, Abdulhalim | | | 1990 | LBA | 1.00 | 1 | 0.41 | 15 | 6.15 | | | Ezat, Mohamed | m | | 2449 | EGY | 0.00 | 1 | -0.09 | 15 | -1.35 | | | Njili, Kamel | f | | 2374 | TUN | 0.00 | 1 | -0.13 | 15 | -1.95 | | | Elshaafi, Ali | | | 1687 | LBA | 1.00 | 1 | 0.10 | 15 | 1.50 | | | Faranka, Khaled | | | 1836 | LBA | 0.00 | 1 | -0.78 | 15 | -11.70 | | | Abugenda, Nagi | | | 2083 | LBA | 1.00 | 1 | 0.53 | 15 | 7.95 | |
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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