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Rapid:
Individual Calculations June 2018 |
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| Mahfouz, Zain Total change: -17.00 | |   |
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| GCC Chess Federation President Championship 2018 | Manama | BRN | 2018-05-03 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1371 | 1183 | 0.00 | 3 | -0.85 | 20 | -17.00 | |
|  Bu Khammas, Abdulla | | | 1583 * | BRN | 0.00 | 1 | -0.08 | 20 | -1.60 | | | Al Sahaf, Ali | | | 1209 | BRN | 0.00 | 1 | -0.46 | 20 | -9.20 | |  Al Sadeq, Ameen | | | 1322 | KSA | 0.00 | 1 | -0.31 | 20 | -6.20 | | | * 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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