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Individual Calculations January 2013 |
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| Labib, Ibrahim Hasan Total change: 10.20 | |   |
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| Libyan Chess League 2012 ( 1st Division ) | Tripoli | LBA | 2012-11-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2058 | 2415 | 4.50 | 5 | 0.05 | 10 | 0.50 | |
|  Humrana, Mostafa | | | 2058 | LBA | 1.00 | 1 | 0.11 | 10 | 1.10 | | | Elnaami, Hashem A.k. | | | 2015 * | LBA | 0.50 | 1 | -0.42 | 10 | -4.20 | |  Asabri, Hassan | | | 2149 | LBA | 1.00 | 1 | 0.18 | 10 | 1.80 | | | Gaem, Musaab | | | 2015 * | LBA | 1.00 | 1 | 0.08 | 10 | 0.80 | | | El-Gehani, Ghassan | | | 2054 | LBA | 1.00 | 1 | 0.10 | 10 | 1.00 | | | * Rating difference of more than 400. Please read more at FIDE Handbook |
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 / Abdalla Elswelhy | Tripoli | LBA | 2012-11-05 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2081 | 2415 | 6.50 | 7 | 0.55 | 10 | 5.50 | |
| | Alnami, Salaheddin | | | 2015 * | LBA | 1.00 | 1 | 0.08 | 10 | 0.80 | | | Taher, Rami | | | 2015 * | LBA | 1.00 | 1 | 0.08 | 10 | 0.80 | | | Kablan, Emad Eldin | | | 2015 * | LBA | 1.00 | 1 | 0.08 | 10 | 0.80 | | | Al Moshaiti, Khalil | | | 2015 * | LBA | 1.00 | 1 | 0.08 | 10 | 0.80 | | | Al-Zayat, Ahmed | f | | 2042 | LBA | 1.00 | 1 | 0.10 | 10 | 1.00 | | | Abdel Razik, Khaled | m | | 2448 | EGY | 0.50 | 1 | 0.05 | 10 | 0.50 | | | Al Sori, Mohamed | | | 2015 * | LBA | 1.00 | 1 | 0.08 | 10 | 0.80 | | | * Rating difference of more than 400. Please read more at FIDE Handbook |
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) | | | | World Cities Team Chess Championship Group F | Al Ain | UAE | 2012-12-22 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2537 | 2432 | 1.50 | 3 | 0.42 | 10 | 4.20 | |
| | Smeets, Jan | g | | 2614 | NED | 0.00 | 1 | -0.26 | 10 | -2.60 | | | Li, Wenliang | m | | 2424 | CHN | 1.00 | 1 | 0.49 | 10 | 4.90 | | | Sedlak, Nikola | g | | 2572 | SRB | 0.50 | 1 | 0.19 | 10 | 1.90 | |
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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