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Individual Calculations January 2019 |
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| Al Ghamdi, Ahmed M Total change: 28.20 | |   |
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| Arab Indv. Chess Championship 2018(Open) | Dubai | UAE | 2018-11-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2209 | 2075 | 4.50 | 9 | 1.41 | 20 | 28.20 | |
|  Zaibi, Amir | m | | 2400 | TUN | 0.00 | 1 | -0.13 | 20 | -2.60 | |  Issa, Rafat | f | | 2378 | JOR | 0.00 | 1 | -0.14 | 20 | -2.80 | | | Sultan, Ibrahim | m | | 2140 | UAE | 1.00 | 1 | 0.59 | 20 | 11.80 | | | Aborezika, Mohamed | | | 2060 | LBA | 1.00 | 1 | 0.48 | 20 | 9.60 | | | El Gindy, Essam | g | | 2457 | EGY | 0.00 | 1 | -0.09 | 20 | -1.80 | | | Salim Al Maashani, Amer Said | f | | 2048 | OMA | 1.00 | 1 | 0.46 | 20 | 9.20 | | | El Jawich, Amro | f | | 2264 | LBN | 0.00 | 1 | -0.25 | 20 | -5.00 | | | Miswadah, Baha | | | 1922 | PLE | 1.00 | 1 | 0.30 | 20 | 6.00 | | | Rayes, Abdul Kader | | | 2214 | SYR | 0.50 | 1 | 0.19 | 20 | 3.80 | |
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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