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Individual Calculations January 2019 |
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| Issa, Rafat Total change: -0.10 | |   |
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| Arab Indv. Chess Championship 2018(Open) | Dubai | UAE | 2018-11-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2276 | 2378 | 5.50 | 9 | -0.01 | 10 | -0.10 | |
|  Salim Al Maashani, Amer Said | f | | 2048 | OMA | 0.00 | 1 | -0.88 | 10 | -8.80 | |  Al Ghamdi, Ahmed M | c | | 2075 | KSA | 1.00 | 1 | 0.14 | 10 | 1.40 | | | Ali, Abdulaziz | | | 1978 * | UAE | 1.00 | 1 | 0.08 | 10 | 0.80 | | | Talbi, Chafik | f | | 2254 | ALG | 1.00 | 1 | 0.33 | 10 | 3.30 | | | Hamdouchi, Hicham | g | | 2594 | MAR | 0.50 | 1 | 0.28 | 10 | 2.80 | | | Saeed, Ishaq | m | | 2437 | UAE | 1.00 | 1 | 0.58 | 10 | 5.80 | | | Bellahcene, Bilel | g | | 2488 | ALG | 0.00 | 1 | -0.35 | 10 | -3.50 | | | Zaibi, Amir | m | | 2400 | TUN | 0.00 | 1 | -0.47 | 10 | -4.70 | | | Asabri, Hussien | f | | 2212 | LBA | 1.00 | 1 | 0.28 | 10 | 2.80 | | | * 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) | | |
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