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Individual Calculations July 2018 |
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| Al Helal, Fahad Total change: 13.40 | |   |
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| Jeddah National Chess Classic Tournament | Jeddah | KSA | 2018-05-17 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1808 | 1876 | 3.00 | 4 | 0.67 | 20 | 13.40 | |
|  Al Otaibi, Naif S | | | 1604 | KSA | 1.00 | 1 | 0.17 | 20 | 3.40 | |  Masrahi, Abdulrahman A | c | | 1929 | KSA | 1.00 | 1 | 0.57 | 20 | 11.40 | | | Al Thebaiti, Ahmed M | | | 1853 | KSA | 0.00 | 1 | -0.53 | 20 | -10.60 | | | Al Turky, Fahad A | | | 1844 | KSA | 1.00 | 1 | 0.46 | 20 | 9.20 | |
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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