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Individual Calculations January 2019 |
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| Sultan, Ibrahim Total change: -10.60 | |   |
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| UAE Team Chess Championship 2018 Open | Emirates | UAE | 2018-10-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1807 | 2125 | 3.50 | 4 | 0.06 | 20 | 1.20 | |
|  Murad, Abdulla | | | 1808 | UAE | 1.00 | 1 | 0.13 | 20 | 2.60 | | | Al-Zaabi, Sultan | c | | 1945 | UAE | 0.50 | 1 | -0.24 | 20 | -4.80 | |  Khalifah, Khaled | c | | 1749 | UAE | 1.00 | 1 | 0.09 | 20 | 1.80 | | | Al Shamsi, Hamad Naseer | | | 1725 * | UAE | 1.00 | 1 | 0.08 | 20 | 1.60 | | | * 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) | | | | Arab Indv. Chess Championship 2018(Open) | Dubai | UAE | 2018-11-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2183 | 2140 | 3.50 | 9 | -0.59 | 20 | -11.80 | |
| | Saeed, Ishaq | m | | 2437 | UAE | 0.00 | 1 | -0.15 | 20 | -3.00 | | | El Gindy, Essam | g | | 2457 | EGY | 0.00 | 1 | -0.13 | 20 | -2.60 | | | Al Ghamdi, Ahmed M | c | | 2075 | KSA | 0.00 | 1 | -0.59 | 20 | -11.80 | | | Elmejbri, Ali A. | f | | 2091 | LBA | 0.50 | 1 | -0.07 | 20 | -1.40 | | | Ali, Abdulaziz | | | 1939 | UAE | 1.00 | 1 | 0.24 | 20 | 4.80 | | | Masrahi, Abdulrahman A | c | | 1903 | KSA | 1.00 | 1 | 0.20 | 20 | 4.00 | | | Aborezika, Mohamed | | | 2060 | LBA | 1.00 | 1 | 0.39 | 20 | 7.80 | | | Tissir, Mohamed | m | | 2387 | MAR | 0.00 | 1 | -0.19 | 20 | -3.80 | | | Ahmad, Al Khatib | m | | 2297 | JOR | 0.00 | 1 | -0.29 | 20 | -5.80 | |
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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