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Individual Calculations May 2015 |
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| Alhazzaa, Abdulrahman Total change: -34.40 | |   |
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| 2015 World Amateur Chess Championships - Open | Porto Carras - Halkidiki | GRE | 2015-04-14 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1587 | 1454 | 1.50 | 7 | -0.86 | 40 | -34.40 | |
|  Kesaris, Evangelos | | | 1854 * | GRE | 0.00 | 1 | -0.08 | 40 | -3.20 | |  Sandor, Tamas | | | 1785 | ROU | 0.00 | 1 | -0.12 | 40 | -4.80 | | | Korcz, Daniel | | | 1705 | POL | 0.00 | 1 | -0.19 | 40 | -7.60 | | | Alhassan, Meshari | | | 1508 | KUW | 0.00 | 1 | -0.42 | 40 | -16.80 | | | Nezosi, Constantin | | | 1054 * | FRA | 1.00 | 1 | 0.08 | 40 | 3.20 | | | Alessandro, Sergio | | | 1709 | ITA | 0.00 | 1 | -0.19 | 40 | -7.60 | | | Alotaibi, Abdulsalam | | | 1494 | KUW | 0.50 | 1 | 0.06 | 40 | 2.40 | | | * 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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